B23K 20/233 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
2.
LITHO STRIP HAVING FLAT TOPOGRAPHY AND PRINTING PLATE PRODUCED THEREFROM
The invention relates to an aluminum alloy strip for lithographic printing plate supports, which strip has a rolled-in surface topography on at least one strip surface; a method for producing the aluminum alloy strip; and a printing plate for lithographic printing which has a printing plate support made of an aluminum alloy. The problem, that of providing an aluminum alloy strip for lithographic printing plate supports, which strip provides a long service life in the printing process in spite of the decreasing thickness of the imaging coating, and can be roughened with less input of charge carriers, is solved in that the surface of the aluminum alloy strip has an average peak value RPc measured perpendicularly to the rolling direction of the aluminum alloy strip of ≤ 50 cm-1, preferably ≤ 45 cm-1 or particularly preferably ≤ 40 cm-1, where c1 = + 0.25 µm and c2 = - 0.25 µm have been selected as intersecting lines for the RPc measurement.
B41N 1/08 - Printing plates or foilsMaterials therefor metallic for lithographic printing
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
3.
METHOD AND DEVICE FOR ANALYSING AND/OR SORTING SCRAP METAL
The invention relates to a method for the analysis and/or sorting of scrap metal, more particularly of scrap aluminium, in which a quantity of scrap metal, more particularly aluminium scrap, in the form of a scrap bundle (6) or a group (4) of scrap bundles (6) is provided, in which method the scrap bundle (6) or the group (4) of scrap bundles (6) is irradiated by at least one neutron source, the gamma radiation emitted by the scrap bundle (6) or by the group (4) of scrap bundles (6) is captured by at least one detector, and composition information relating to the composition of the scrap bundle (6) or the group (4) of scrap bundles (6) is determined on the basis of the gamma radiation captured by the at least one detector. The invention further relates to a device for analysing and/or sorting scrap metal.
G01N 23/222 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
The invention relates to a method for the heat treatment of metal strip or foils in the form of strip coils or foil coils in a heat treatment furnace for removing rolling residue. The problem of providing a method for the heat treatment of metal strip or foils in the form of strip coils or foil coils in a heat treatment furnace for removing rolling residue, with which high-quality metal products can be provided in a process-stable and low-cost manner and the ratio of rejects of metal strip and foils can be reduced, is solved by determining, during the performance of the heat treatment, the content of at least one evaporation and/or oxidation product in the furnace atmosphere and/or in the process exhaust gas, and using said determination for process control or regulation of the heat treatment, wherein the dynamics of the removal of rolling residue on the metal strip or foils are controlled or regulated during the heat treatment. The invention further relates to a device for the heat treatment of metal strip or foils for carrying out the method according to the invention.
C21D 1/76 - Adjusting the composition of the atmosphere
C22F 1/02 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
B01D 53/30 - Controlling by gas-analysis apparatus
A method for cleaning rollers used for metal strip processing. According to said method, the roller surface is cleaned by an aqueous alkali metal hydroxide or alkaline earth metal hydroxide washing liquid or an acidic washing liquid, the washing liquid is removed and the roller surface is dried. A machine for cleaning rollers includes a washing frame designed for positioning a roller to be cleaned, and at least one means for applying at least one washing solution to the roller surface of the roller to be cleaned.
B08B 3/08 - Cleaning involving contact with liquid the liquid having chemical or dissolving effect
B08B 1/00 - Cleaning by methods involving the use of tools
B08B 7/04 - Cleaning by methods not provided for in a single other subclass or a single group in this subclass by a combination of operations
B08B 13/00 - Accessories or details of general applicability for machines or apparatus for cleaning
B21B 45/02 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
The invention relates to a strip casting system (1) for aluminum and/or aluminum alloys, comprising at least one casting furnace (3) and at least one rotational mold (2, 22, 23) which comprises a casting gap (21), wherein the at least one rotational mold (2, 22, 23) is designed as a roller pair (22, 23), shaper pair, caterpillar track pair, or belt pair, and the strip casting system (1) has at least one active means (4) for transporting molten metal (5) from the casting furnace (3) to the casting gap (21). The strip casting system (1) has a casting region (6) arranged upstream of the casting gap (21), said casting region (6) being delimited by the rotational mold (2, 22, 23) on at least one side, and the casting region (6) is designed such that a molten metal pool (52) is formed in the casting region (6), molten metal (5) flowing or being drawn from said pool into the casting gap (21). The casting furnace (3) is connected to the casting region (6) by a pipe system (41, 43), and the strip casting system (1) comprises means (46) for supplying the molten metal (5) into the casting region (6), said means being capable of supplying the molten metal (5) to the casting region (6) below the surface of the molten metal pool (52) formed in the casting region (6).
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
The invention relates to a method for the surface treatment of flat products (6) made of aluminium alloys. The problem addressed by the invention is that of providing a method which facilitates monitoring of the treatment result and allows reliable adjustment of the treatment parameters. This problem is solved by the method comprising: pickling the flat product (6), in particular in order to degrease the flat product (6); carrying our a colour measurement on the surface of the flat product (6) to determine at least one measured colour value after the flat product (6) has been pickled; generating output information on the basis of the at least one measured colour value, wherein the output information is indicative of compliance with at least one rule for the measured colour value; and outputting or triggering the output of the output information. The invention further relates to a device (2) for the surface treatment of flat products (6) made of aluminium alloys, and to a use of a colorimeter (14), which is designed to determine at least one measured colour value, in surface treatment of flat products (6) made of aluminium alloys.
The invention relates to an aluminium foil for battery electrodes, wherein the aluminium foil consists of an alloy of the type AAlxxx, AA 3xxx and/or AA 8xxx and wherein the aluminium foil is in a strain-hardened state. The problem of providing an aluminium foil for battery electrodes that can be inexpensively conditioned on its surface, allowing the achievement of a homogenized surface, with good wettability and bonding of electrode coatings of various types, and at the same time effective electrical contact with the electrode coating, is solved by the surface of the aluminium foil being at least partially degreased by a corona treatment and by the aluminium foil having a surface tension of at least 34 mN/m. The invention also relates to a method for producing an aluminium foil for battery electrodes.
Disclosed is a method for the recovery of filtering agents and rolling oil from a mixture containing used rolling oil and filtering agents coated with used rolling oil in which the mixture containing rolling oil and filtering agents is subjected to vacuum distillation under agitation in a reactor equipped with an agitator and vapour precipitator. The vacuum during distillation is regulated with an inert gas flow, the rolling oil is condensed and collected, and a rolling oil which can be reused for rolling and a powder filtering agent which can be reused are obtained.
The invention relates to a method for producing an aluminium strip (62) having greater strength and greater electrical conductivity, in which a melt (54) of a curable aluminium alloy is cast by a continuous casting process, in particular by double-roller casting, to form an aluminium strip (62), in which the aluminium strip (62) is rolled by cold rolling to a final thickness and in which the aluminium strip (62) is artificially aged between the continuous casting process and the cold rolling. The invention also relates to a further method for producing an aluminium strip (112) having greater strength and greater electrical conductivity. The invention relates further to an aluminium strip (62) that can be produced by this method or to an aluminium product produced from said strip and to the use of the aluminium strip (62) or aluminium product for an electrical conductor, in particular for an aluminium cable.
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
11.
ROLLER CLEANING METHOD AND ROLLER CLEANING MACHINE
The invention relates to a method for cleaning rollers used for metal strip processing. According to said method, the roller surface is cleaned by means of an aqueous alkali metal hydroxide or alkaline earth metal hydroxide washing liquid or an acidic washing liquid, the washing liquid is removed and the roller surface is dried. A machine for cleaning rollers (1) comprises a washing frame (10) designed for positioning a roller (1) to be cleaned, and at least one means (6, 7, 14) for applying at least one washing solution to the roller surface of the roller (1) to be cleaned.
An aluminium alloy is provided for superplastic aluminium flat products, wherein the aluminium alloy has the following composition: 0.03 wt.% Si 0.10 wt.%, Fe 0.4 wt.%, Cu .ltoreq. 0.1 wt.%, 0.5 wt.% .ltoreq. Mn .ltoreq.1.0 wt.%, 5.2 wt.% .ltoreq. Mg .ltoreq. 5.5 wt.%, 0.05 wt.%.ltoreq. Cr.ltoreq.0.25 wt.%, Zn .ltoreq.0.25 wt.%, Ti .ltoreq.0.20 wt.%, Na.ltoreq. 2 ppm, unavoidable impurities individually .ltoreq.0.05 wt.%, in total .ltoreq.0.15 wt.%, remainder aluminium. A method is provided for producing an aluminium flat product, in particular a superplastic aluminium flat product, in which an aluminium melt is provided from the above-mentioned aluminium alloy, in which the aluminium melt is cast to form an ingot, in which the ingot is hot rolled to form a hot strip, in which the hot strip is cold rolled to form a cold strip, and in which the cold strip is levelled.
The invention relates to an aluminium alloy for superplastic aluminium flat products (46; 56, 56'), wherein the aluminium alloy has the following composition: Si ≤ 0.4 wt. %, Fe ≤ 0.4 wt. %, Cu ≤ 0.1 wt. %, 0.5 wt. % ≤ Mn ≤ 1.0 wt. %, 4.7 wt. % ≤ Mg ≤ 5.5 wt. %, 0.05 wt. % ≤ Cr ≤ 0.25 wt. %, Zn ≤ 0.25 wt. %, Ti ≤ 0.20 wt. %, Na ≤ 2 ppm, individual unavoidable impurities ≤ 0,05 Gew.-%, and total unavoidable impurities ≤ 0,15 Gew.-%, the remainder being aluminium. The invention also relates to a method for producing an aluminium flat product (46; 56, 56'), particularly a superplastic aluminium flat product, in which an aluminium melt (22) is produced from the above-mentioned aluminium alloy, the aluminium melt (22) is cast to form an ingot (24), the ingot (24) is hot-rolled to form a hot strip (40), the hot strip (40) is cold-rolled to form a cold strip (46), and the cold strip (46) is straightened. The invention further relates to an aluminium flat product (46; 56, 56') produced by the method, and to a use thereof.
A method for the continuous casting of metal strands. The liquid metal is simultaneously cast via a moulds into metal strands. The moulds each have a narrow side and a broad side. The moulds have a uniform narrow side so that the metal strands have equal thicknesses after casting. At least one of the moulds used has a broad side whose length differs from the length of the broad side of the other simultaneously used moulds. For each mould used, a sprue stone is provided, which is arranged on a casting table and is provided for receiving the starter strands. The casting of the metal strands includes a mould filling phase with a fixed casting table in which a plurality of starter strands is cast into the associated sprue stones. The casting includes a continuous casting phase in which the casting table is lowered and metal strands are cast.
Embodiments of an aluminium alloy for vehicle applications, an aluminium alloy strip, and a sheet metal body part of a motor vehicle manufactured from the aluminium alloy strip are disclosed herein. The object to provide an aluminium alloy for vehicle applications, which can be processed into a strip using conventional method steps such that the manufactured strip, with a moderate level of strength, exhibits only a low tendency to hardening from the T4 condition and a use in the area of pedestrian impact protection is possible, is achieved in that the aluminium alloy has the following alloy constituents in percent by weight 0.40-0.55 wt % Si, 0.15-0.25 wt % Fe, 0-0.06 wt % Cu, 0.15-0.4 wt % Mn, 0.33-0.4 wt % Mg, 0-0.03 wt % Cr, 0.01-0.10 wt % Ti, and the remainder being Al and unavoidable impurities, individually at most 0.05 wt %, in total at most 0.15 wt %.
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
16.
PICKLING METHOD FOR PROFILES, ROLLED STRIPS, AND SHEETS MADE OF ALUMINIUM ALLOYS
The invention relates to a method for cleaning an aluminium alloy product which has not been machined, said method comprising an alkaline degreasing by pickling and an acidic aftertreatment of the aluminium alloy product pickled in alkaline conditions. In said method: (a) the aluminium alloy product is subjected to an acidic pre-cleaning prior to the alkaline degreasing by pickling; or (b) the aluminium alloy product is subjected to an alkaline degreasing by pickling, a subsequent acidic rinsing, a renewed alkaline treatment and a subsequent further acidic rinsing, wherein the aluminium alloy product can be a rolled aluminium alloy strip, a rolled aluminium alloy sheet or aluminium alloy profile.
The invention relates to a battery electrode foil comprising an aluminium alloy, wherein the aluminium alloy has the following composition: Si: 0.0 –0.15 wt.%, Fe: 0.02 –0.4 wt.%, Cu: ≤ 0.08 wt.%, Mn: ≤ 0.03 wt.%, Mg: ≤ 0.03 wt.-%, Cr: ≤ 0.01 wt.%, Ti: 0.005 -0.03 wt.%, wherein the aluminium alloy can have impurities respectively up to max. 0.05%, all together up to max. 0.15%, wherein the remaining wt.% is aluminium, wherein the proportion of aluminium must be at least 99.35 wt.%, wherein the battery electrode foil has intermetallic phases with a diameter length of 0.1 to 1.0 µm with a density of ≤9500 particles/mm². The invention also relates to a method for producing a battery electrode foil, the use thereof for producing accumulators, as well as accumulators containing the battery electrode foil.
The invention relates to a battery electrode foil comprising an aluminium alloy, wherein the aluminium alloy has the following composition: Si: 0.07 –0.12 wt.%, Fe: 0.18 –0.24 wt.%, Cu: 0.03 –0.08 wt.%, Mn: 0.015 –0.025 wt. %, Zn: ≤ 0.01 wt.%, Ti: 0.015 –0.025 wt.%, wherein the aluminium alloy can have impurities respectively up to max. 0.01%, all together up to max. 0.03%, wherein the proportion of aluminium must be at least 99.5 wt.%, wherein the battery electrode foil has intermetallic phases with a diameter length of 0.1 to 1.0 µm with a density of ≤9500 particles/mm². The invention also relates to a method for producing a battery electrode foil, the use thereof for producing accumulators, as well as accumulators containing the battery electrode foil.
B22D 11/06 - Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
Method, device and use for the device for quantitatively determining the concentration or particle size of a component of a heterogeneous material mixture
The invention relates to a method and a device for quantitive determination of a number and size of particulate components contained in a medium flowing along a flow channel. Ultrasonic waves are coupled into the flowing medium, which are reflected at least partially by the particulate components and reflected ultrasonic wave portions which are detected in a ultrasonic time signals, on which the quantitive determination is based. Amplitude values associated with the individual ultrasonic time signals, are detected which are each greater than an amplitude threshold value established for each ultrasonic time signal: The detected amplitude values are assigned to values describing the size and the number of the particulate components.
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
20.
PROCESSING OF FILTERED ROLLING OIL AND FILTERING AGENTS
The invention relates to a method for the recovery of filtering agents and rolling oil from a mixture containing used rolling oil and filtering agents coated with used rolling oil in which the mixture containing rolling oil and filtering agents is subjected to vacuum distillation under agitation in a reactor equipped with an agitator and vapour precipitator, the vacuum during distillation is regulated with an inert gas flow, the rolling oil is condensed and collected, wherein a rolling oil which can be reused for rolling and a powder filtering agent which can be reused are obtained.
Provided is a method for production of an aluminium strip for lithographic printing plate supports from an aluminium alloy including (in wt %): 0.05%≤Si≤0.25%, 0.2%≤Fe≤1%, Cu max. 400 ppm, Mn≤0.30%, 0.10%≤Mg≤0.50%, Cr≤100 ppm, Zn≤500 ppm, Ti<0.030%, the remainder aluminium and unavoidable impurities individually at most 0.03%, in total at most 0.15%. In the method, a rolling ingot is cast from an aluminium alloy, and the rolling ingot is homogenised. Further, the rolling ingot is hot rolled to a hot strip final thickness, and the hot strip is cold rolled to final thickness of between 0.1 mm and 0.5 mm. The product of the relative final thicknesses of the aluminium strip after the first and after the second cold rolling pass of the aluminium strip is 15% to 24%.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
The invention relates to a preferably silicone-free baking composite film (2, 44), comprising an aluminum foil layer (4, 24) and a baking paper layer (8, 28), wherein the aluminum foil layer (4, 24) and the baking paper layer (8, 28) are adhesively bonded to each other by means of an adhesive layer (6, 32) arranged therebetween. The invention further relates to a method for producing a baking composite film (2, 44), wherein an aluminum foil layer (4, 24) and a baking paper layer (8, 28) are provided, an adhesive layer (6, 32) is applied to the aluminum foil layer (4, 24) and/or to the baking paper layer (8, 28), and the aluminum foil layer (4, 24) and the baking paper layer (8, 28) are laid one on top of the other with the adhesive layer (6, 32) arranged therebetween in order to form a composite film (36). The invention further relates to the use of the baking composite film (2, 44) as a support for goods to be baked in a baking process.
The invention relates to a strip consisting of an aluminium alloy for providing adhesive connections. In addition, the invention relates to a method for producing a strip having a one or two-sided surface structure which consists of an aluminium alloy, at least provided in certain areas and prepared for an adhesive connection, and also relates to a corresponding adhesive connection. The object of providing an aluminium alloy strip optimised for adhesive connections, which has optimised surface properties for ageing-resistant adhesive connections, on the one hand, and which can be cost-effectively produced in a way which is reliable in terms of the process, on the other hand, is achieved for a strip consisting of an aluminium alloy for providing adhesive connections by the strip at least in areas having a surface structure prepared for adhesive connections, wherein the surface structure has depressions which were produced using an electrochemical graining process.
The invention relates to a strip or sheet consisting of an aluminium alloy having a unilateral or bilateral surface structure prepared for a forming process, in particular it relates to a strip or sheet for formed motor vehicle components. The object of providing an aluminium alloy strip or sheet having a surface structure prepared for a forming process, which is easy to produce and has improved tribological characteristics in respect of a subsequent forming process, is achieved for a strip or sheet consisting of an aluminium alloy in that the strip or sheet has on one side or on both sides a surface with depressions as lubricant pockets which are produced using an electrochemical graining process.
C23C 22/78 - Pretreatment of the material to be coated
B21D 53/88 - Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
A method for recycling metal scraps, particularly aluminum scraps, is provided. In the method, an amount of metal scrap, particularly aluminum scrap, is provided in the form of a plurality of separated split lots. A composition analysis is carried out for each split lot and an item of composition information based on said composition analysis is associated with each split lot that has been analyzed. Also provided is a device configured for carrying out said method.
B07C 5/34 - Sorting according to other particular properties
B09B 3/00 - Destroying solid waste or transforming solid waste into something useful or harmless
B07C 5/00 - Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or featureSorting by manually actuated devices, e.g. switches
B07C 5/346 - Sorting according to other particular properties according to radioactive properties
B09B 5/00 - Operations not covered by a single other subclass or by a single other group in this subclass
G01N 21/71 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
G01N 23/222 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
G01N 23/223 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence
A system (1) for analyzing and sorting material (2) including a feeder (10) for transporting at least one piece of material along a feeding surface (15) towards and onto an upper portion (21) of a chute (20), a sorting device (50), a laser device (30), a spectrometer (40) configured to detect an emission from the piece of material (2) and to produce an output signal corresponding to the emission, and a controller device (60) configured to receive the output signal and to operate the sorting device (50). The laser device (30) and the spectrometer (40) are both provided on a level below the feeding (15) surface. Also, the laser device (30) is configured to produce a laser beam (35) that can be incident on the piece of material (2) when the piece of material (2) is at least partially protruding from the chute (20) or has fallen off from the chute (20) via the lower edge (22) of the chute (20) and is airborne.
The invention relates to a sorting installation (2, 102) for sorting a quantity of scrap fragments (6), in particular scrap fragments with different mechanical properties, having a processing device (4, 4a-h), which is intended to subject a quantity of scrap fragments (6) to mechanical stressing, having a sensing device (10), which is intended to sense, from scrap fragments (7, 107) of the quantity of scrap fragments (6) subjected to mechanical stressing, a feature of the scrap fragments (7, 107) which is influenced by the mechanical stressing, and having a sorting device (12), which is intended to sort the scrap fragments (7, 107) in dependence on the feature sensed in each case. The invention also relates to a sorting method for sorting a quantity of scrap fragments (6), in the case of which the quantity of scrap fragments (6) is subjected to mechanical stressing, in the case of which, from scrap fragments (7, 107) of the quantity of scrap fragments (6) subjected to mechanical stressing, a feature of the scrap fragments (7, 107) which is influenced by the mechanical stressing is sensed, and in the case of which the scrap fragments (7, 107) are sorted in dependence on the feature sensed in each case.
The invention relates to a device for changing the temperature of a metal strip including means for changing the temperature of the metal strip by heating or cooling. By using means for conveying the metal strip, the metal strip is moved in the strip direction relative to the means for changing the temperature of the metal strip. The object of providing a device for changing the temperature of metal strips, which allows improved process control and improved flatness of the treated metal strip, is achieved according to the invention by a device in that means for changing the temperature of the metal strip include a plurality of individual temperature-control means which each heat or cool the metal strip only in some regions, and at least the position of a plurality of the temperature-control means can be individually changed translationally and/or rotationally relative to the metal strip.
B21B 37/44 - Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
C21D 11/00 - Process control or regulation for heat treatments
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
The invention relates to a multi-layered structural component (60, 100) having a layer structure (8) comprising a plurality of layers (4, 6) arranged one atop the other in a stacking direction, wherein the layer structure (8) comprises at least one fiber structure (6) consisting of a fiber material and of a thermoplastic binding agent, and at least one aluminum layer (4) made of aluminum or of an aluminum alloy and wherein at least one aluminum layer (4) of the layer structure (8) has a stiffening structure (50, 78, 94; 56, 74; 98) and/or a recess (48, 76). The invention further relates to a method for producing such a structural component (60, 100) and to uses therefor.
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/14 - Layered products essentially comprising metal next to a fibrous or filamentary layer
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 3/02 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
B32B 3/06 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers togetherLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for attaching the product to another member, e.g. to a support
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 3/28 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer comprising a deformed thin sheet, e.g. corrugated, crumpled
30.
High-strength and easily formable AlMg-strip, and method for producing the same
Provided is a method for producing an aluminium alloy strip from a non-precipitation-hardenable aluminium alloy having the following alloying constituents in wt %: 3.6%≤Mg≤6%, Si≤0.4%, Fe≤0.5%, Cu≤0.15%, 0.1%≤Mn≤0.4%, Cr≤0.05%, Zn≤0.20%, Ti≤0.20%, with the remainder Al and unavoidable impurities, individually at most 0.05 wt %, in total at most 0.15 wt %. In the method, a rolling ingot is cast. The rolling ingot is homogenised and then hot rolled into a hot strip. Then, the strip is cold rolled before a last intermediate annealing. The intermediate annealing is carried out to produce a recrystallised microstructure. The intermediate-annealed aluminium alloy strip is cold rolled to a final thickness, and the aluminium alloy strip is reverse annealed in the coil to a final thickness.
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
p0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminium alloy sheet metal parts, in particular also in outer skin quality.
The invention relates to a method for the continuous casting of metal strands, in particular rolling ingots of aluminum or an aluminum alloy, in which method the liquid metal is cast into a plurality of metal strands simultaneously by means of a plurality of molds, the molds each have a narrow side and a broad side, all molds having a uniform narrow side such that the metal strands have the same thickness after the casting process, at least one of the molds used has a broad side having a length that differs from the length of the broad side of the other molds simultaneously used, for each mold used, a casting-start block is provided, which is arranged on a casting table and is provided for holding the starting strands, the casting process of the metal strands comprising a mold filling phase, in which the casting table is stationary and in which a plurality of starting strands is cast in the associated casting-start blocks, and the casting process comprises a continuous casting phase, in which the casting table is lowered and a plurality of metal strands is cast. The problem of providing a method for the continuous casting of metal strands that enables the continuous casting of rolling ingots/metal strands with different formats at a reduced reject rate is solved by means of a method having the features of claim 1.
The invention relates to an aluminum alloy for vehicle applications, an aluminum alloy strip made from the aluminum alloy according to the invention and a sheet-metal body part of a motor vehicle produced from the aluminum alloy strip according to the invention. The aim of the invention is to provide an aluminum alloy for vehicle applications, which can be processed using conventional process steps to form a strip, so that, with a moderate strength level, the produced strip shows only a low tendency for curing from the state T4 and that a use for pedestrian impact protection is possible. Said aim is achieved in that the aluminum alloy has the following alloying constituents (in percent by weight): 0.4 wt.% ≤ Si ≤ 0.55 wt.%, 0.15 wt.% ≤ Fe ≤ 0.25 wt.%, Cu ≤ 0.06 wt.%, 0.15 wt.% ≤ Mn ≤ 0.4 wt.%, 0.33 wt.% ≤ Mg ≤ 0.4 wt.%, Cr ≤ 0.03 wt.%, 0.01 wt.% ≤ Ti ≤ 0.10 wt.%, the remainder Al and unavoidable impurities of at most 0.05 wt.% individually and at most 0.15 wt.% in total.
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
34.
DEVICE AND METHOD FOR ANALYSING THE ALLOY COMPOSITION OF METAL SCRAP FRAGMENTS
The invention relates to a device (2) for analysing the alloy composition of metal scrap fragments (6, 6'), using an analysis system (8) configured to determine, by means of a local measurement at a measurement position (20, 20') on the surface (22) of a scrap fragment (6, 6') being analysed, composition information (40) about the composition of the scrap fragment (6, 6'), wherein the device (2) further comprises a detection system (44) configured to determine a region (54, 56) free of impurities on the surface (22) of the scrap fragment (6, 6') being analysed, the analysis system (8) being configured to locate the measurement position (20, 20') for the local measurement in the region (54, 56) free of impurities determined by the detection system (44). The invention further relates to a method for analysing the alloy composition of metal scrap fragments (6, 6').
G01N 21/71 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
B07C 5/342 - Sorting according to other particular properties according to optical properties, e.g. colour
G01N 21/25 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
The invention relates to a device (2) for analysing the alloy composition of metal scrap fragments (6, 50, 70), using an alloy analysis system (8) configured to determine, by means of a first local measurement at a measurement position (20, 54, 56, 74a-e) on the surface (22, 58) of a scrap fragment (6, 50, 70) being analysed, composition information (40) about the alloy composition of the scrap fragment (6, 50, 70), wherein the device (2) comprises an impurity analysis system (44) configured to determine, by means of a second local measurement at the measurement position (20, 54, 56, 74a-e), associated impurity information (64) about the impurity of the surface (22, 58) of the scrap fragment (6, 50, 70) at the measurement position (20, 54, 56, 74a-e), and wherein the device (2) comprises a processing system (66) configured to determine an analysis result (68) about the alloy composition of the scrap fragment (6, 50, 70) depending on the composition information (40) and the associated impurity information (64). The invention further relates to a method for analysing the alloy composition of metal scrap fragments (6, 50, 70).
G01N 21/71 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
G01N 21/85 - Investigating moving fluids or granular solids
36.
METHOD, DEVICE AND USE FOR THE DEVICE FOR QUANTITATIVELY DETERMINING THE CONCENTRATION OR PARTICLE SIZE OF A COMPONENT OF A HETEROGENEOUS MATERIAL MIXTURE
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. (Germany)
HYDRO ALUMINIUM ROLLED PRODUCTS GMBH (Germany)
INOSON GMBH (Germany)
Inventor
Waschkies, Thomas
Reuther, Andrea
Licht, Rudolf
Weikert-Muller, Miriam
Feikus, Friederike
Fischer, Sebastian
Badowski, Mark
Hahn-Jose, Thomas
Abstract
The invention relates to a method and a device for quantitively determining the number and size of particulate components contained in a medium flowing along a flow channel, wherein ultrasonic waves are coupled into the flowing medium, which are reflected at least partially on the particulate components and the reflected ultrasonic wave portions of which are detected in the form of ultrasonic time signals, on which the quantitive determining is based. The invention is characterised by the following method steps: coupling the ultrasonic waves into the flowing medium in such a way that at least one portion of the coupled-in ultrasonic waves is reflected on a wall region of the flow channel bordering the flow medium or a reflector introduced within the flow channel, via which an echo-ultrasonic time signal that can be associated with the wall region or the reflector is generated; determining at least one amplitude threshold value function which establishes an amplitude threshold value for each detected ultrasonic time signal, taking into consideration at least the echo-ultrasonic time signal; detecting amplitude values associated with the individual ultrasonic time signals, which are each greater than an amplitude threshold value established for each ultrasonic time signal; and assigning the detected amplitude values to values describing the size and number of the particulate components.
G01N 29/032 - Analysing fluids by measuring attenuation of acoustic waves
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
G01N 29/44 - Processing the detected response signal
37.
METHOD, DEVICE AND USE FOR THE DEVICE FOR QUANTITIVELY DETERMINING THE CONCENTRATION OR PARTICLE SIZE OF A COMPONENT OF A HETEROGENEOUS MATERIAL MIXTURE
The invention relates to a method and a device for quantitively determining the number and size of particulate components contained in a medium flowing along a flow channel, wherein ultrasonic waves are coupled into the flowing medium, which are reflected at least partially on the particulate components and the reflected ultrasonic wave portions of which are detected in the form of ultrasonic time signals, on which the quantitive determining is based. The invention is characterised by the following method steps: coupling the ultrasonic waves into the flowing medium in such a way that at least one portion of the coupled-in ultrasonic waves is reflected on a wall region of the flow channel bordering the flow medium or a reflector introduced within the flow channel, via which an echo-ultrasonic time signal that can be associated with the wall region or the reflector is generated; determining at least one amplitude threshold value function which establishes an amplitude threshold value for each detected ultrasonic time signal, taking into consideration at least the echo-ultrasonic time signal; detecting amplitude values associated with the individual ultrasonic time signals, which are each greater than an amplitude threshold value established for each ultrasonic time signal; and assigning the detected amplitude values to values describing the size and number of the particulate components.
G01N 29/032 - Analysing fluids by measuring attenuation of acoustic waves
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
Provided is a method for rolling a strip with a roll stand with at least two work rolls. A rolling gap with a pass line is defined between the work rolls. A control roll is arranged before the rolling gap of the work rolls in the rolling direction, the strip is guided into the rolling gap of the roll stand via the control roll at an entry angle relative to the pass line and the surface structure of the strip is controlled through the selection of the entry angle depending on the positioning of the control roll relative to the pass line. Also provided is an apparatus for rolling a strip with a roll stand having at least two work rolls. A rolling gap with a pass line is defined between the work rolls.
B21B 1/22 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length
B21B 3/00 - Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences
B21B 27/00 - RollsLubricating, cooling or heating rolls while in use
B21B 45/02 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
39.
Method and device for structurally conditioning a roll
The object of providing a method for conditioning a working roll with which the material properties of a working roll can be set in a process-reliable and uniform manner is achieved by a method in which a roll and at least one pressure tool are rotated relative to each other, in which pressure is applied locally to the roll by means of the at least one pressure tool, comprising at least one pressure element, via the at least one pressure element, and in which a deep rolling process is carried out.
B24B 39/04 - Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zoneAccessories therefor designed for working external surfaces of revolution
B21B 28/02 - Maintaining rolls in effective condition, e.g. reconditioning
B21B 27/00 - RollsLubricating, cooling or heating rolls while in use
The invention relates to a method for the alloy-dependent sorting of scrap metal, in particular aluminium scrap, in which a composition analysis is carried out on a scrap fragment (6), wherein, by means of a measurement carried out on the scrap fragment (6), surface composition information (50) about the local composition in a surface region of the scrap fragment (6) is determined, and in which associated volumetric composition information (66) about the composition of the scrap fragment (6) in terms of volume is assigned to the scrap fragment (6) depending on the surface composition information (50) determined by means of measurement and on a given assignment rule (64). The invention also relates to an apparatus (2) for sorting scrap metal, in particular aluminium scrap, having a conveyor (4), designed to convey a quantity of scrap fragments, having an analysis device (8), designed to carry out composition analyses on scrap fragments (6) conveyed on the conveyor (4), wherein a composition analysis of a scrap fragment (6) comprises the determining of surface composition information (50) about the local composition in a surface region of the scrap fragment (6) by means of a measurement, and having a control device (12) which is designed to assign in each case associated volumetric composition information (66) about the composition of the scrap fragment (6) in terms of volume to the scrap fragment (6) analysed by the analysis device (8), depending on the surface composition information (50) determined by means of measurement and on a given assignment rule (64).
The invention relates to a crushing plant (52) for crushing aluminum scrap (56), in particular UBC scrap, having a crushing device (58) for crushing aluminum scrap, which crushing device is designed as a high speed operator, wherein a pre-crushing device (54) for pre-crushing aluminum scrap is connected upstream of the the crushing device (58) and is designed as a low speed operator. The invention further relates to a crushing method for crushing aluminum scrap (56), in particular UBC scrap, wherein a quantity of aluminum scrap (56) is crushed by a pre-crushing device (54) designed as a low speed operator and wherein the pre-crushed aluminum scrap (60) is further crushed by a crushing device (58) designed as a high speed operator. The invention further relates to recycling plant comprising the crushing plant (52) and to a recycling method comprising the crushing method.
B02C 19/00 - Other disintegrating devices or methods
B02C 21/00 - Disintegrating plant with or without drying of the material
B02C 4/02 - Crushing or disintegrating by roller mills with two or more rollers
B02C 13/00 - Disintegrating by mills having rotary beater elements
B02C 23/10 - Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
The invention relates to a method for producing an aluminum strip for lithographic printing plate carriers made of an aluminum alloy, wherein the aluminum alloy has the following alloy components in wt.%: 0.05 % ≤ Si ≤ 0.25 %, 0.2 % ≤ Fe ≤ 1 %, Cu max. 400 ppm, Mn ≤ 0.30 %, 0.10 % ≤ Mg ≤ 0.50 %, Cr ≤ 100 ppm, Zn ≤ 500 ppm, Ti < 0.030 %, residual Al, and maximally 0.03% of individual unavoidable impurities, in sum maximally 0.15%, said method having at least the following steps: - casting a rolling ingot from an aluminum alloy, - homogenizing the rolling ingot, - hot-rolling the rolling ingot to a final hot strip thickness, and - cold-rolling the hot strip to a final thickness, wherein the final thickness ranges between 0.1 mm and 0.5 mm after the cold-rolling process. The aim of the invention is to provide a method for producing an aluminum strip for lithographic printing plate carriers in order to produce aluminum strips for lithographic printing plate carriers while simultaneously allowing a reduction of costs for producing the printing plate carriers. This is achieved in that during the cold-rolling process of the hot strip, the product of the relative final thicknesses of the aluminum strip after the first and after the second cold-rolling pass of the aluminum strip is 15% to 24%.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
B41N 1/08 - Printing plates or foilsMaterials therefor metallic for lithographic printing
The invention relates to an aluminum composite material, comprising at least one core layer (4) having an aluminum core alloy and at least one corrosion protection layer (6) provided on the core layer (4). The aim of specifying an aluminum composite material having further improved corrosion resistance, in particular to avoid coarse separations under corrosive conditions, is achieved in that the corrosion protection layer (6) has an aluminum alloy having the following composition in % by weight: Si ≤ 0.10 %, Fe ≤ 0.6 %, Cu ≤ 0.2 %, 0.9 % ≤ Mn ≤ 1.2 %, Mg ≤ 0.10 %, Cr ≤ 0.3 %, Zn ≤ 0.1 %, Ti ≤ 0.1 %, remainder Al and unavoidable contaminants, individually at most 0.05 %, in total at most 0.15 %. The invention further relates to a method for producing an aluminum composite materia (2), to a use, and to a heat exchanger, or to a component of a heat exchanger.
B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
44.
Aluminium composite material having an internal solder layer
The invention relates to a brazable three-layered aluminium composite material having at least three layers with at least two different aluminium alloys, whereby an inner layer of the at least three layers is an aluminium brazing layer made from an aluminium brazing alloy, the other layers are configured as covering layers and include at least one further aluminium alloy, wherein the at least one further aluminium alloy has a higher solidus temperature than the liquidus temperature of the aluminium brazing alloy. The individual covering layers have a thickness which exceeds the thickness of the aluminium brazing layer by at least a factor of 1.5, preferably by a factor of 5. The brazable aluminium composite material is simply structured, has good brazing properties for the production of butt-joint brazing connections, significantly reduces the risk of a ‘burning through’ of brazed-on components and provides sufficient mechanical properties.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
g) in the (T4) state of more than 23% transverse to the rolling direction and, at a thickness of 1.5 mm-1.6 mm, achieves a bending angle of less than 40° in a bending test.
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
B23K 20/233 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
C22C 1/05 - Mixtures of metal powder with non-metallic powder
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
The invention relates to a strip or sheet consisting of an aluminium alloy with a surface structure prepared for a forming process on one side or on both sides, particularly a strip or sheet for formed motor vehicle components. The aim of the invention is to provide an aluminium alloy strip or sheet with a surface structure prepared for a forming process, which is easy to produce and has improved tribological properties with regard to a subsequent forming process. To this end, the strip or sheet consisting of an aluminium alloy has a surface, on one or both sides, comprising recesses produced using an electrochemical graining method, as lubricant pockets.
The invention relates to a strip of an aluminium alloy for providing adhesive connections, in particular adhesive connections in motor vehicles. The invention also relates to a method for producing a strip with a surface structure prepared for adhesive connections that is provided at least in certain regions on one or both sides from an aluminium alloy and to a corresponding adhesive connection. The object of providing an aluminium alloy strip that is optimized for adhesive connections, which on the one hand has optimized surface properties for ageing-resistant adhesive connections and on the other hand can be produced at low cost in a reliable process, is achieved for a strip of an aluminium alloy for providing adhesive connections by the strip having at least in certain regions a surface structure prepared for adhesive connections, wherein the surface structure has depressions that have been produced by using an electrochemical graining process.
Embodiments relate to a device for performing a bending test having a base plate, counter bearings connected via the base plate, bearing blocks which in each case comprise a support for applying a bending sample, and a bending punch or a bending rail for exerting a force on a bending sample. The distance of the supports can be set precisely and in a force resistant manner by abutting the counter bearings and the bearing blocks against each other via contact surfaces inclined to the base plate. Further provided is a method for performing a bending test using a device according to the invention, in the case of which a bending sample is applied on the supports and in the case of which a force is exerted between the supports on the bending sample.
The invention relates to a method for recycling metal scraps, particularly aluminium scraps, in which an amount of metal scrap (14), particularly aluminium scrap, is provided in the form of a plurality of separated split lots (6a-l), wherein a composition analysis is carried out for each split lot (6a-l) and an item of composition information (38a-l) based on said composition analysis is associated with each split lot (6a-l) that has been analysed. The invention also relates to a device configured or comprising specific means for carrying out said method.
B09B 3/00 - Destroying solid waste or transforming solid waste into something useful or harmless
B07C 5/00 - Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or featureSorting by manually actuated devices, e.g. switches
B07C 5/34 - Sorting according to other particular properties
B03B 9/06 - General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
B09B 5/00 - Operations not covered by a single other subclass or by a single other group in this subclass
The invention relates to a system (2, 62) for drying a sample amount of scrap and/or for determining the water content of a sample amount of scrap, comprising a ventilation device (4, 64) having a gas inlet (10, 66) and a gas outlet (14, 68a-d) arranged on an upper side (12) of the ventilation device (4, 64), such that a gas flow introduced into the ventilation device (4, 64) via the gas inlet (10, 66) is directed to the gas outlet (14, 68a-d) of the ventilation device, comprising a container (6, 72a-d) adapted to the ventilation device (4, 64) for receiving a sample amount of scrap, having a gas-permeable base (32) and a receptacle (26) into which a sample amount of scrap can be filled, wherein the container (6, 72a-d) can be coupled to the ventilation device (4, 64) in such a way that a gas flow exiting the ventilation device (4, 64) from the gas outlet (14, 68a-d) is directed through the base (32) of the container (6, 72a-d) and flows through the receptacle (26). The invention also relates to the use of the system for drying a sample amount of scrap or for determining the water content of a sample amount of scrap. The invention further relates to respective methods for drying a sample amount of scrap and a method for determining the water content of a sample amount of scrap using the system (2, 62) according to the invention.
F26B 3/06 - Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
F26B 9/06 - Machines or apparatus for drying solid materials or objects at rest or with only local agitationDomestic airing cupboards in stationary drums or chambers
F26B 9/08 - Machines or apparatus for drying solid materials or objects at rest or with only local agitationDomestic airing cupboards in stationary drums or chambers including agitating devices
F26B 25/00 - Details of general application not covered by group or
The invention relates to an aluminium alloy, the use of an aluminium alloy strip or sheet and a method for producing an aluminium alloy strip or sheet. An aluminium alloy which has only a slight tendency towards intercrystalline corrosion and which at the same time provides high levels of strength and good deformability and which contains standard alloy components so that the recycling of the aluminium alloy is simplified is provided herein.
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
METHOD AND SCREENING APPARATUS FOR SEPARATING PIECES OF FLAT ALUMINIUM PRODUCT AND PIECES OF NON-METALLIC INTERMEDIATE LAYER, AND USE OF THE SCREENING APPARATUS
The invention relates to a method for separating pieces (22) of flat aluminium product and pieces (24) of non-metallic intermediate layer, comprising the following steps: supplying a mixture (20) comprising pieces (22) of flat aluminium product and pieces (24) of non-metallic intermediate layer, and screening the mixture (20) in order to separate the pieces (24) of non-metallic intermediate layer from the pieces (22) of flat aluminium product, wherein the screening is done using a disc screen (4), in particular a starscreen. The invention also relates to a screening apparatus (2) for separating pieces (22) of flat aluminium product and pieces (24) of non-metallic intermediate layer using a disc screen (4), which comprises a plurality of in particular rotatably mounted shafts (6, 6a-c), which are arranged one behind the other and each have a plurality of axially spaced-apart discs (8, 8I, 8II, 8III, 8IV, 8V, 8VI) arranged on them, and to a use for the same.
The invention relates to a station for transferring a metal melt from a melting furnace into a transport crucible. The station includes a docking chamber, which has a docking opening and is designed to be docked to a filling opening of the transport crucible a suctioning device, which is designed to suction a gas from the docking chamber or from the transport crucible docked to the docking chamber, and a suction pipe, which has a suction channel extending between an inlet opening and an outlet opening. The inlet opening is arranged outside the docking chamber and the outlet opening is arranged in such a way that a metal melt flowing through the suction channel and exiting from the outlet opening passes through the docking opening.
B22D 11/00 - Continuous casting of metals, i.e. casting in indefinite lengths
F27D 3/14 - Charging or discharging liquid or molten material
B22D 35/04 - Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
B22D 37/00 - Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
F27B 3/04 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces of multiple-hearth typeHearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces of multiple-chamber typeCombinations of hearth-type furnaces
The invention relates to the use of an aluminium alloy for an aluminium-plastic composite part or for the production thereof, wherein the aluminium alloy has the following composition: Si: 0.05-0.35 wt. %, Fe: 1.3-1.75 wt. %, Cu:≤0.02 wt. %, Mn: 0.015-0.035 wt. %, Mg:≤0.003 wt. %, Cr:≤0.03 wt. %, Ni:≤0.02 wt. %, Zn:≤0.03 wt. %, Ti:≤0.03 wt. %, contaminants individually up to 0.05 wt. %, in total up to 0.15 wt. %, the remainder being aluminium. The invention further relates to the use of an aluminium sheet product made from an alloy of this type for an aluminium-plastic composite part or the manufacture thereof. Finally, the invention also relates to an alloy of this type and to an aluminium sheet product made from an alloy of this type.
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
The invention relates to an aluminum composite material for use in thermal flux-free joining methods, comprising at least one core layer, which consists of an aluminum core alloy, and at least one outer solder layer, which is provided on one side or both sides of the core layer and which consists of an aluminum solder alloy. The aim of proposing an aluminum composite material for use in a thermal flux-free joining method by means of which the soldering properties can be further optimized both in a vacuum and under shielding gas without the use of fluxes while avoiding the disadvantages known from the prior art is achieved in that the aluminum solder alloy has the following composition in wt%: 6.5% ≤ Si ≤ 13%, Fe ≤ 1%, 90 ppm ≤ Mg ≤ 300 ppm, Bi < 500 ppm, Mn ≤ 0.15%, Cu ≤ 0.3%, Zn ≤ 3%, Ti ≤ 0.3%, the remainder Al and unavoidable impurities of at most 0.05% individually and at most 0.15% in total, and the aluminum solder layer has a surface that has been pickled in an alkaline or acidic manner. The invention further relates to a method for producing an aluminum composite material, in particular an aluminum composite material according to the invention, wherein at least one core layer consisting of an aluminum core alloy is provided and at least one outer solder layer consisting of an aluminum solder alloy is applied to one side or both sides of the core layer. The invention further relates to a method for thermally joining components and to a thermally joined construction.
The invention relates to an aluminum composite material for use in thermal flux-free joining methods, comprising at least one core layer, which consists of an aluminum core alloy, and at least one outer solder layer, which is provided on one side or both sides of the core layer and which consists of an aluminum solder alloy. The aim of proposing an aluminum composite material for use in a thermal flux-free joining method by means of which the soldering properties can be further optimized both in a vacuum and under shielding gas without the use of fluxes while avoiding the disadvantages known from the prior art is achieved in that the aluminum solder alloy has the following composition in wt%: 6.5% < Si < 13%, Fe < 1%, 230 ppm < Mg < 450 ppm, Bi < 500 ppm, Mn < 0.15%, Cu < 0.3%, Zn < 3%, Ti < 0.30%, the remainder Al and unavoidable impurities of at most 0.05% individually and at most 0.15% in total, and the aluminum solder layer has a surface that has been pickled in an alkaline or acidic manner. The invention further relates to a method for producing an aluminum composite material, in particular an aluminum composite material according to the invention, wherein at least one core layer consisting of an aluminum core alloy is provided and at least one outer solder layer consisting of an aluminum solder alloy is applied to one side or both sides of the core layer. The invention further relates to a method for thermally joining components and to a thermally joined construction.
The invention relates to a device for changing the temperature of a metal strip, in particular a metal strip made of aluminum or an aluminum alloy, comprising means for changing the temperature of the metal strip by heating or cooling, wherein the metal strip is moved in the strip direction relative to the means for changing the temperature of the metal strip using means for transporting the metal strip. The aim of the invention is to provide a device for changing the temperature of metal strips, said device allowing an improved process control and a higher degree of precision with respect to the flatness of the treated metal strip, in particular during temperature changes of the aluminum strip. According to the invention, this is achieved using a device in that means for changing the temperature of the metal strip have a plurality of individual temperature-control means which heat or cool the metal strip only in some regions, and in each case at least a plurality of the temperature-control means can be positioned in a translationally and/or rotationally variable manner relative to the metal strip.
B21B 37/44 - Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
C21D 11/00 - Process control or regulation for heat treatments
C21D 9/46 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for sheet metals
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
58.
Highly formable, medium-strength aluminium alloy for the manufacture of semi-finished products or components of motor vehicles
An aluminum alloy for the manufacture of semi-finished products or components of motor vehicles, a method for the manufacture of a strip made of an aluminum alloy according to the invention, a corresponding aluminum alloy strip or sheet as well as a structural component of a motor vehicle consisting of an aluminum alloy sheet which includes the following alloy components in % by weight: 0.6%≤Si≤0.9%, 0.6%≤Fe≤1.0%, Cu≤0.1%, 0.6%≤Mn≤0.9%, 0.5%≤Mg≤0.8%, Cr≤0.05%, the remainder Al and impurities, individually up to a maximum of 0.05% by weight, in total up to a maximum of 0.15% by weight.
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
59.
HIGH-STRENGTH AND EASILY FORMABLE ALMG-STRIP, AND METHOD FOR PRODUCING THE SAME
The invention relates to a method for producing an aluminum strip or aluminum sheet made of an aluminum alloy and to an aluminum alloy strip and the use thereof. The aim of the invention is to devise a method for producing an aluminum alloy strip made of a non-heat treatable aluminum alloy from which pressings for automotive components, in particular of BIW components, can be easily produced while further reducing the weight of these components. This aim is achieved by the method for producing an aluminum alloy strip having the following alloy components in wt.-%: 3.6% ≤ Mg ≤ 6%, Si ≤ 0.4%, Fe ≤ 0.5%, Cu ≤ 0.15, 0.1% ≤ Mn ≤ 0.4%, Cr < 0.05%, Zn ≤ 0.20%, Ti ≤ 0.20%, remainder Al and unavoidable impurities, individually not more than 0.05%, in total not more than 0.15%. Said method comprises the following steps: - casting a sheet ingot that is made of the above-mentioned aluminum alloy, - homogenizing the sheet ingot at 480°C to 550°C for at least 0.5 hrs, hot-rolling the sheet ingot at a temperature of 280°C to 500°C to a hot strip, - cold-rolling the aluminum alloy strip after hot-rolling with a thickness reduction of 10% to 45% prior to a last process annealing, - process-annealing the cold-rolled aluminum alloy strip at 300°C to 500°C for at least one last time such that the cold-rolled aluminum alloy strip has a recrystallized structure after process annealing, - cold-rolling the process-annealed aluminum alloy strip with a thickness reduction of 30% to 60% of final thickness, and - thermally softening the aluminum alloy strip in the coil of the final thickness, the metal temperature being 190 - 250°C for at least 0.5 hrs.
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
60.
Flux-free joining of aluminium composite materials
2, the aluminium composite material is used in a flux-free, thermal joining method, and the joining method is carried out in the presence of a protective gas.
B23K 1/20 - Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
B23K 35/22 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
B23K 1/00 - Soldering, e.g. brazing, or unsoldering
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
F28F 1/12 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
B23K 35/28 - Selection of soldering or welding materials proper with the principal constituent melting at less than 950°C
The invention relates to an aluminium alloy strip composed of an AA 5xxx-type aluminium alloy containing at least 4 wt. % of Mg in addition to Al and inevitable impurities. The object of the invention of proposing an aluminium alloy strip in an AlMg aluminium alloy strip which is resistant to intercrystalline corrosion despite having high strength and an Mg content of at least 4 wt. %, is achieved according to a first teaching of the present invention by an aluminium alloy strip that has a recrystallized microstructure, the grain size (GS) of which in μm has the following relation to the Mg content (c_Mg) in wt. % :
GS≥22+2*c_Mg, and wherein the aluminium alloy of the aluminium alloy strip has the composition described herein.
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
62.
METHOD AND DEVICE FOR THE EMBOSSMENT ROLLING OF A STRIP
The invention relates to a method for rolling a strip by means of a roll stand having a first working roll (2) and a second working roll (4), wherein a rolling gap having a pass line is defined between the first working roll (2) and the second working roll (4). The technical problem of specifying a method for rolling in which the surface structure of a strip can be reliably controlled and the disadvantages from the prior art can be avoided is solved by means of the method according to the invention in that a controlling roll (12) is arranged before the rolling gap of the working rolls in the rolling direction, the strip (8) is guided into the rolling gap of the roll stand at a run-in angle (ß) relative to the pass line (6) by means of the controlling roll (12), and the surface structure of the strip (8') is controlled by the selection of the run-in angle (ß) according to the positioning of the controlling roll (12) relative to the pass line (6). The invention further relates to a device for rolling a strip, in particular for performing a method according to the invention, comprising a roll stand having a first working roll (2) and a second working roll (4), wherein a rolling gap having a pass line (6) is defined between the first working roll (2) and the second working roll (4).
B21B 1/22 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length
The invention relates to a device for performing a bending test having a base plate (4), having counter bearings (6a, 6b) connected via the base plate (4), having bearing blocks (8a, 8b) which in each case comprise a support (10a, 10b) for applying a bending sample (12) and having a bending punch or a bending rail (18) for exerting a force on a bending sample (12). The technical problem to specify a device (2) for performing a bending test, by means of which the disadvantages from the prior art are avoided and in particular the distance of the supports (10a, 10b) can be set precisely and in a force resistant manner, is solved by abutting the counter bearings (6a, 6b) and the bearing blocks (8a, 8b) against each other via contact surfaces (14a, 14b; 16a, 16b) inclined to the base plate (4). The invention also relates to a method for performing a bending test using a device (2) according to the invention, in the case of which a bending sample (12) is applied on the supports (10a, 10b) and in the case of which a force (F S) is exerted between the supports (10a, 10b) on the bending sample (12).
The invention relates to a device for carrying out a bending test having a base plate (4) with abutments (6a, 6b) connected via the base plate (4), with bearing blocks (8a, 8b) which each have a support (10a, 10b) for supporting a bending test specimen (12) and having a bending die or a bending sword (18) for applying a force to a bending test specimen (12). The technical problem of specifying a device (2) for carrying out a bending test, with which the disadvantages from the prior art can be avoided and, in particular, the distance between the supports (10a, 10b) can be set precisely and in a force-resistant fashion, is solved in that the abutments (6a, 6b) and the bearing blocks (8a, 8b) bear one against the other by means of contact faces (14a, 14b; 16a, 16b) which are inclined with respect to the base plate (4). Furthermore, the invention relates to a method for carrying out a bending test using a device (2) according to the invention, in which bending test a bending test sample (12) is positioned on the supports (10a, 10b), and in which bending test a force (Fs) is applied to the bending test sample (12) between the supports (10a, 10b).
The invention concerns a bar composed of an aluminium solder alloy, with the following alloy constituent fractions in weight per cent: 4.5 % ≤ Si ≤ 12 %, and optionally with one or more of the following fractions as alloy constituents in weight per cent: Ti ≤ 0.2 %, Fe ≤ 0.8 %, Cu ≤ 0.3 %,Mn ≤ 0.10 %, Mg ≤ 2.0 %, Zn ≤ 0.20 %, Cr ≤ 0.05 %, balance aluminium and unavoidable impurities, individually at most 0.05 wt%, in total at most 0.15 wt%, with additionally boron provided as alloy constituent, the alloying of boron being such that the boron content is at least 100 ppm and the aluminium alloy is free from primary Si particles having a size of more than 20 μm, in particular 10 μm. The invention further relates to an aluminium alloy product at least partially composed of an aluminium alloy, to a bar made of an aluminium alloy, and to a method for producing an aluminium alloy.
The invention relates to: the use of an AA6xxx aluminium alloy for electrical connections of electrical components in an electrical circuit or of semiconductor components; a stamped part for an electrical connection of electrical components in an electrical circuit or of semiconductor components; a method for producing the stamped parts; and to a method for producing an electrical circuit or a semiconductor component using the stamped parts. The aim of the invention is to propose the use of an aluminium alloy for electrical connections of electrical components in an electrical circuit or of semiconductor components, by means of which aluminium alloy, the problems known from the prior art can be solved. This aim is achieved by the use of an aluminium alloy of the type EN AW 6060, EN AW 6063 or EN AW 6016.
H01B 1/02 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of metals or alloys
67.
HEAT EXCHANGER, USE OF AN ALUMINUM ALLOY AND OF AN ALUMINUM STRIP AS WELL AS A METHOD FOR THE PRODUCTION OF AN ALUMINUM STRIP
The invention relates to a heat exchanger (10), in particular for motor vehicles, with at least one exchanger tube (12) of an aluminium alloy and with at least one component (14, 16) connected fluidically to the exchanger tube (12), wherein the exchanger tube (12) and the component (14, 16) are connected to one another by way of a common soldered connection and wherein the component (14, 16) connected to the exchanger tube (12) has a core layer (24) of an aluminium alloy with the following composition: Si: max. 0.7% by weight, Fe: max. 0.70% by weight, Cu: max. 0.10% by weight, Mn: 0.9 - 1.5% by weight, Mg: max. 0.3% by weight, Cr: max. 0.25% by weight, Zn: max. 0.50% by weight, Ti: max. 0.25% by weight, Zr: max. 0.25% by weight, unavoidable impurities individually max. 0.05% by weight, altogether max. 0.15% by weight, the remainder aluminium. The invention also relates to the use of an aluminium alloy or an aluminium strip with a core layer (24) of this aluminium alloy for the production of a manifold (14, 16) or a tubesheet for a soldered heat exchanger (10) and to a method for producing an aluminium strip.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
68.
HEAT EXCHANGER, USE OF AN ALUMINIUM ALLOY AND AN ALUMINIUM STRIP AND METHOD FOR PRODUCING AN ALUMINIUM STRIP
The invention relates to a heat exchanger (10), in particular for motor vehicles, with at least one exchanger tube (12) of an aluminium alloy and with at least one component (14, 16) connected fluidically to the exchanger tube (12), wherein the exchanger tube (12) and the component (14, 16) are connected to one another by way of a common soldered connection and wherein the component (14, 16) connected to the exchanger tube (12) has a core layer (24) of an aluminium alloy with the following composition: Si: max. 0.7% by weight, Fe: max. 0.70% by weight, Cu: max. 0.10% by weight, Mn: 0.9 - 1.5% by weight, Mg: max. 0.3% by weight, Cr: max. 0.25% by weight, Zn: max. 0.50% by weight, Ti: max. 0.25% by weight, Zr: max. 0.25% by weight, unavoidable impurities individually max. 0.05% by weight, altogether max. 0.15% by weight, the remainder aluminium. The invention also relates to the use of an aluminium alloy or an aluminium strip with a core layer (24) of this aluminium alloy for the production of a manifold (14, 16) or a tubesheet for a soldered heat exchanger (10) and to a method for producing an aluminium strip.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
The invention relates to a method for baking a coating of a printing plate carrier, wherein the printing plate comprises aluminium or an aluminium alloy as the carrier material, in which the printing plate is heated to a baking temperature, is kept at this temperature over a predefined period and is subsequently cooled down. The object of proposing a method for baking printing plate carriers, in particular printing plate carriers of a large format, in which the deformations after the baking operation can be minimized still further is achieved by providing that, at least in a temperature interval between 150°C and the baking temperature, preferably 100°C, the temperature differences of the temperature of the metal of the printing plate measured along a line in the longitudinal direction of the printing plate are a maximum of 40°C over a length of 40 cm during the heating up and cooling down, and the temperature differences of the temperature of the metal of the printing plate measured along a line perpendicular to the longitudinal direction are less than 10°C during the heating up and cooling down.
The invention relates to a brazable three-layered aluminum composite material having at least three layers with at least two different aluminum alloys, whereby an inner layer of the at least three layers is an aluminum brazing layer made from an aluminum brazing alloy, the other layers are configured as covering layers and include at least one further aluminum alloy, wherein the at least one further aluminum alloy has a higher solidus temperature than the liquidus temperature of the aluminum brazing alloy. The individual covering layers have a thickness which exceeds the thickness of the aluminum brazing layer by at least a factor of 1.5, preferably by a factor of 5. The brazable aluminum composite material is simply structured, has good brazing properties for the production of butt-joint brazing connections, significantly reduces the risk of a ‘burning through’ of brazed-on components and provides sufficient mechanical properties.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
The invention relates to the use of an aluminium alloy for an aluminium-plastic composite part or for the production thereof, wherein the aluminium alloy has the following composition: Si: 0.05 - 0.35 wt.%, Fe: 1.3 - 1.75 wt.%, Cu: ≤ 0.02 wt.%, Mn: 0.015 - 0.035 wt.%, Mg: ≤ 0.003 wt.%, Cr: ≤ 0.03 wt.%, Ni: ≤ 0.02 wt.%, Zn: ≤ 0.03 wt.%, Ti: ≤ 0.03 wt.%, contaminants individually up to 0.05 wt.%, in total up to 0.15 wt.%, the remainder being aluminium. The invention further relates to the use of an aluminium sheet product made from an alloy of this type for an aluminium-plastic composite part or the manufacture thereof. Finally, the invention also relates to an alloy of this type and to an aluminium sheet product made from an alloy of this type.
Aluminum alloy for producing semi-finished products or components for motor vehicles, method for producing an aluminium alloy strip from said aluminium alloy, and aluminium alloy strip and uses therefore
An aluminium alloy for producing semi-finished products or components for motor vehicles is provided, wherein the alloying components of the aluminium alloy have the following contents in percent by weight: Fe≤0.80%, Si≤0.50%, 0.90%≤Mn≤1.50%, Mg≤0.25%, Cu≤0.125%, Cr≤0.05%, Ti≤0.05%, V≤0.05%, Zr≤0.05%, the remainder being aluminium, unavoidable impurity elements, individually <0.05%, in total <0.15%, and the combined content of Mg and Cu satisfies the following relation in percent by weight: 0.15%≤Mg+Cu≤0.25%, wherein the Mg content of the aluminium alloy is greater than the Cu content of the aluminium alloy. A method for producing an aluminium alloy strip from such an aluminium alloy and an aluminium alloy strip produced by this method are also provided, as well as uses thereof.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
The invention relates to a station (100) for transferring a metal melt (6) from a melting furnace (200) into a transport crucible (300), comprising a docking chamber (130), which has a docking opening (132) and is designed to be docked to a filling opening (302) of a transport crucible (300) by means of the docking opening (132), a suctioning device (150), which is designed to suction a gas from the docking chamber (130) and/or from a transport crucible (300) docked to the docking chamber (130), and a suction pipe (170), which has a suction channel (176) extending between an inlet opening (172) and an outlet opening (174), wherein the inlet opening (172) is arranged outside the docking chamber (130) and the outlet opening (174) is arranged in such a way that a metal melt (6) flowing through the suction channel (176) and exiting from the outlet opening (174) passes through the docking opening (132). The invention further relates to an assembly (4), comprising such a station (100) and a melting furnace (200), to a system (2), comprising such an assembly (4) and a transport crucible (300), and to a method for transferring a metal melt from a melting furnace (200) into a transport crucible (300).
F27B 3/04 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces of multiple-hearth typeHearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces of multiple-chamber typeCombinations of hearth-type furnaces
F27D 3/14 - Charging or discharging liquid or molten material
B22D 35/04 - Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
B22D 37/00 - Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
B22D 39/00 - Equipment for supplying molten metal in rations
F27D 3/00 - ChargingDischargingManipulation of charge
74.
STATION AND METHOD FOR TRANSFERRING A METAL MELT FROM A MELTING FURNACE TO A TRANSPORT CRUCIBLE, AND AN ARRANGEMENT AND A SYSTEM WITH SUCH A STATION
The invention relates to a station for transferring metal melt from a melting furnace to a transport crucible. In existing stations, liquid metal transferred to casting ladles can easily splash around and thereby damage critical components of the station. This problem is addressed by a station with a docking chamber having a docking opening and being configured for being docked with the docking opening to a filling opening of a transport crucible, with a suction device being configured to suction a gas from the docking chamber and/or a transport crucible docked thereto, and with a suction pipe that has a suction channel extending between an inlet opening and an outlet opening, wherein the inlet opening is arranged outside the docking chamber and the outlet opening is arranged such that a metal melt flowing through the suction channel and exiting from the outlet opening passes through the docking opening.
B22D 41/12 - Travelling ladles or similar containersCars for ladles
F27B 3/04 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces of multiple-hearth typeHearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces of multiple-chamber typeCombinations of hearth-type furnaces
F27D 3/14 - Charging or discharging liquid or molten material
The invention relates to a method for processing an aluminium strip (20, 30) for lithographic printing plate carriers having the following steps: provision of an aluminium strip (20, 30) for lithographic printing plate carriers and single-sided coating of the aluminium strip with a protective layer (26, 36), wherein the aluminium strip (20, 30) is coated with the protective layer (26, 36) in the non-granulated and/or non-anodized state. Furthermore, the invention relates to an aluminium strip (20, 30) for lithographic printing plate carriers, wherein the aluminium strip (20, 30) has a single-sided protective layer (26, 36) and is in the non-granulated and/or non-anodized state.
B05D 7/16 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
76.
HIGHLY FORMABLE, MEDIUM-STRENGTH ALUMINIUM ALLOY FOR THE MANUFACTURE OF SEMI-FINISHED PRODUCTS OR COMPONENTS OF MOTOR VEHICLES
The invention relates to an aluminium alloy for the manufacture of semi-finished products or components of motor vehicles, a method for the manufacture of a strip made of an aluminium alloy according to the invention, a corresponding aluminium alloy strip or sheet as well as a structural component of a motor vehicle consisting of an aluminium alloy sheet. The problem of providing an aluminium alloy for the manufacture of semi-finished products or components for motor vehicles which is highly formable, medium-strength and very corrosion-resistant is solved through an aluminium alloy for the manufacture of semi-finished products or components of motor vehicles which comprises the following alloy components in % by weight:0.6% .ltoreq. Si .ltoreq. 0.9%,0.6% .ltoreq. Fe .ltoreq. 1.0%,Cu .ltoreq. 0.1%,0.6% .ltoreq. Mn .ltoreq. 0.9%,0.5% .ltoreq. Mg .ltoreq. 0.8%,Cr .ltoreq. 0.05%,the remainder Al and impurities, individually up to a maximum of 0.05% by weight, in total up to a maximum of 0.15% by weight.
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
77.
HIGHLY FORMABLE, MEDIUM-STRENGTH ALUMINUM ALLOY FOR PRODUCING SEMI-FINISHED PRODUCTS OR COMPONENTS OF MOTOR VEHICLES
The invention relates to an aluminum alloy for producing semi-finished products or components of motor vehicles, to a method for producing a strip from an aluminum alloy according to the invention, to a corresponding aluminum alloy strip or metal sheet, and to a structural part of a motor vehicle made of an aluminum alloy metal sheet. The objective of the invention to provide an aluminum alloy for producing semi-finished products or components for motor vehicles that is highly formable, of medium strength, and very corrosion-resistant, is attained by an aluminum alloy for producing semi-finished products or components of motor vehicles, which comprises the following alloy constituents in weight percent: 0.6% ≤ Si ≤ 0.9 %, 0.6 % ≤ Fe ≤ 1.0 %, Cu ≤ 0.1 %, 0.6 % ≤ Mn ≤ 0.9 %, 0.5 ≤ Mg ≤0.8 %, Cr ≤ 0.05 %, the remainder being Al and impurities, individually at most 0.05 weight percent, in total maximum 0.15 weight percent.
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
p0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminum alloy sheet metal parts, in particular also in outer skin quality.
The invention relates to a method for grinding a roll (20) by means of a roll grinding device (10). In said method, a roll (20) is ground by means of a grinding tool (40) of the roll grinding device (10), at least one measurable value of at least one variable that relates to the surface quality of the roll (20) is measured during the grinding operation, and at least one operating parameter of the roll grinding device (10) is adjusted during the grinding operation in accordance with the measured variable. The invention further relates to a roll grinding device (10) for grinding a roll (20), comprising a roll mount (30) that includes two bearings (32, 34) designed to rotatably support the roll (20), also comprising a drive (36) designed to rotatingly drive the roll (20) at an adjustable roll speed, as well as a grinding tool (40) designed to accommodate and rotatingly drive a grinding member (42) at an adjustable grinding member speed and position the grinding member (42) against the roll. The roll grinding device (10) further comprises a measuring apparatus (70) designed to measure measurable values of a variable that relates to the surface quality of the roll (20), as well as a control unit (80) designed to control the roll grinding device and, during the grinding operation, trigger the measuring apparatus (70) to measure at least one measurable value, and adjust at least one operating parameter of the roll grinding device (10) in accordance with the measured variable.
B24B 5/37 - Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
B24B 5/04 - Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfacesAccessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
B24B 49/04 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
B24B 49/12 - Measuring or gauging equipment for controlling the feed movement of the grinding tool or workArrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
The invention relates to the use of an aluminum composite material in a thermal joining method, comprising at least one aluminum core alloy and at least one outer solder layer consisting of an aluminum solder alloy provided on both sides of the aluminum core alloy, wherein the aluminum solder layer has an etched surface. The problem addressed by the invention is that of proposing a use of an aluminum composite material having an aluminum solder layer in a thermal joining method, which leads to a further reduction in costs and lower environmental impact. This problem is solved by using an aluminum composite material in that the etched surface of the aluminum solder layer has been etched by etching with an acid, aqueous etching solution containing at least one mineral acid and at least one complex former or a complexing mineral acid, wherein the material removal during etching is between 0.05 g/m2 and 6 g/m2, the aluminum composite material is used in a flux-free thermal joining method, and the joining method is carried out in the presence of an inert gas.
The invention relates to a brazable three-layered aluminium composite material comprising at least three layers consisting of at least two different aluminium alloys, whereby an inner layer of the at least three layers is an aluminium brazing layer made from an aluminium brazing alloy, the other layers are configured as covering layers and consist of at least one further aluminium alloy, wherein the at least one further aluminium alloy has a higher solidus temperature than the liquidus temperature of the aluminium brazing alloy. The objective of providing a brazable aluminium composite material which is simply structured, has good brazing properties for the production of butt-joint brazing connections, significantly reduces the risk of a 'burning through' of brazed-on components and provides sufficient mechanical properties is solved by the individual covering layers (2, 4) having a thickness which exceeds the thickness of the aluminium brazing layer (3) by at least a factor of 1.5, preferably by a factor of 5.
The invention relates to a solderable, three-layered aluminium composite material comprising at least three layers consisting of at least two different aluminium alloys, wherein an inner layer of the at least three layers is an aluminium solder layer consisting of an aluminium solder alloy and the other layers are in the form of outer layers and consist of at least one further aluminium alloy, wherein the at least one further aluminium alloy has a solidus temperature which is higher than the liquidus temperature of the aluminium solder alloy. The object of providing a solderable aluminium composite material which has a simple structure, has good soldering properties for producing I-shaped butt-soldered joints, considerably reduces the risk of soldered components "burning through" and also provides sufficient mechanical properties is achieved by virtue of the fact that the individual outer layers (2, 4) have a thickness which exceeds the thickness of the aluminium solder layer (3) by at least a factor of 1.5, preferably at least by a factor of five.
In order to provide an improved handling and preparation of metal sheets or strips, in particular allowing a more secure handling of the metal sheet or strip while achieving at the same time a less laborious and more accurate lubrication before forming of the metal sheet or strip, there is provided a coating of a metal sheet or strip comprising a lubricant and a protective base material, wherein the lubricant is contained in the protective base material and wherein the protective base material is at least in part selectively removable. There is also provided a metal sheet or strip capable of forming, in particular of superplastic forming, and having a coating according to the invention at least partially on one or on both sides of the metal sheet and a method for manufacturing a metal sheet or strip according to the invention comprising the steps of providing a metal sheet or strip capable of forming, in particular of superplastic forming, and applying a coating according to the invention.
C10M 103/00 - Lubricating compositions characterised by the base-material being an inorganic material
C10M 143/04 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene
C10M 169/04 - Mixtures of base-materials and additives
C21D 7/13 - Modifying the physical properties of iron or steel by deformation by hot working
In order to provide an improved handling and preparation of metal sheets or strips, in particular allowing a more secure handling of the metal sheet or strip while achieving at the same time a less laborious and more accurate lubrication before forming of the metal sheet or strip, there is provided a coating of a metal sheet or strip comprising a lubricant and a protective base material, wherein the lubricant is contained in the protective base material and wherein the protective base material is at least in part selectively removable. There is also provided a metal sheet or strip capable of forming, in particular of superplastic forming, and having a coating according to the invention at least partially on one or on both sides of the metal sheet and a method for manufacturing a metal sheet or strip according to the invention comprising the steps of providing a metal sheet or strip capable of forming, in particular of superplastic forming, and applying a coating according to the invention.
C10M 107/28 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
The invention relates to a rolling device (100) having a roll stand (102) comprising a roll (104a-b, 106a-b). The rolling device (100) has a conditioning tool (112a-d), by means of which contamination can be mechanically removed from the surface of the roll (104a-b, 106a-b) during the rolling operation. The rolling device (100) has a driven transport device (114a-d), by means of which the conditioning tool (112a-d) can be moved across the surface of the roll (104a-b, 106a-b) substantially in a longitudinal direction of the roll during the rolling operation. The invention further relates to a method for conditioning a roll surface, wherein contamination, in particular a coating, is mechanically removed from the surface (202) of a roll (104a-b, 106a-b) by means of a conditioning tool (112a-d). The conditioning tool (112a-d) is moved across the surface (202) of the roll (104a-b, 106a-b) substantially in a longitudinal direction of the roll during the removal of the contamination, and the contamination is removed during the rolling operation of the roll (104a-b, 106a-b).
The invention relates to an aluminum alloy strip with improved surface optics, which is fabricated via hot and/or cold rolling, and consists of a type AA 3xxx, AA 5xxx, AA 6xxx or AA 8xxx aluminum alloy. The object of proposing an aluminum alloy strip that is suitable for attractive and precious surface optics despite the elevated percentage of alloy constituents is achieved in that, after degreasing, the finish-rolled aluminum alloy strip exhibits an increase in the luminance value L*(ΔL) in relation to the rolled-greasy state of more than 5 while measuring the color of the surface in the CIE L*a*b* color space using a standard illuminant D65 and a normal observation angle of 10°, excluding direct reflection in 45°/0° geometry.
B21B 45/02 - Devices for surface treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
B21B 1/22 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length
C23C 22/78 - Pretreatment of the material to be coated
C23G 1/00 - Cleaning or pickling metallic material with solutions or molten salts
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C23C 30/00 - Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
The invention relates to a method for producing a roll-clad aluminium workpiece (7), wherein a core ingot (2) is produced from an aluminium alloy and at least one cladding piece (6) is produced from a cladding material, wherein at least one groove (4) is introduced into the core ingot (2) and/or into a layer applied to the core ingot (2), wherein the cladding piece (6) is inserted into the groove (4), and wherein the core ingot (2) is hot-rolled after the cladding piece (6) has been inserted, the width of the groove being equal to or less than 85% of the core ingot width. The invention further relates to a roll-clad aluminium workpiece (7) comprising a core (8) made of an aluminium alloy and comprising at least one cladding layer (10) made of a cladding material on one side of the aluminium workpiece (7), the cladding layer (10) extending along only one portion of the side of the aluminium workpiece (7), and the portion accounting for at most 95% of the entire surface of the side. The invention further relates to the use of such a roll-clad aluminium workpiece (7) for producing a soldered workpiece, in particular a folding tube.
B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
B23K 35/28 - Selection of soldering or welding materials proper with the principal constituent melting at less than 950°C
B23K 35/02 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
88.
ALUMINIUM ALLOY FOR PRODUCING SEMI-FINISHED PRODUCTS OR COMPONENTS FOR MOTOR VEHICLES, METHOD FOR PRODUCING AN ALUMINIUM ALLOY STRIP CONSISTING OF THIS ALUMINIUM ALLOY, AND AN ALUMINIUM ALLOY STRIP AND USE FOR SAME
The invention relates to an aluminium alloy for producing semi-finished products or components for motor vehicles, in which the alloy constituents of the aluminium alloy have the following proportions in wt.%: Fe ≤ 0.80 %, Si ≤ 0.50 %, 0.90 % ≤ Mn ≤ 1.50 %, Mg ≤ 0.25 %, Cu ≤ 0.125 %, Cr ≤ 0.05 %, Ti ≤ 0.05 %, V ≤ 0.05 %, Zr ≤ 0.05 %, the remainder being aluminium, and inevitable accompanying elements at < 0.05 % individually and < 0.15 % in total, and the combined proportion of Mg and Cu satisfying the following relation in wt.%: 0.15 % ≤ Mg + Cu ≤ 0.25 % where the proportion of Mg in the aluminium alloy is greater than the proportion of Cu in the aluminium alloy. The invention also relates to a method for producing an aluminium alloy strip from such an aluminium alloy, comprising the following steps: casting a rolling ingot consisting of a claimed aluminium alloy, homogenising the rolling ingot at 480°C to 600°C for at least 0.5 h, hot rolling the rolling ingot at 280°C to 500°C to form an aluminium alloy strip, cold rolling the aluminium alloy strip to its final thickness, followed by the re-crystallising, final annealing of said aluminium alloy strip. The invention also relates to an aluminium alloy strip produced according to this method, as well as to uses for the claimed aluminium alloy and a metal sheet produced from the claimed aluminium alloy strip.
B62D 29/00 - Superstructures characterised by material thereof
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
89.
Aluminium composite material with AlMgSi core layer
g) in the (T4) state of more than 23% transverse to the rolling direction and, at a thickness of 1.5 mm-1.6 mm, achieves a bending angle of less than 40° in a bending test.
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
B23K 20/233 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
C22C 1/05 - Mixtures of metal powder with non-metallic powder
C22C 21/08 - Alloys based on aluminium with magnesium as the next major constituent with silicon
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C22F 1/05 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
B23K 20/04 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
A method is disclosed for forming aluminium composite materials having a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides. The aluminium composite material is formed in a forming tool and the outer aluminium alloy layer, provided on one or both sides, has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The equationkf,outside/kf,core<0.5applies for the flow stresses of the aluminium alloys of the core and the at least one outer layer in the soft or solution-annealed state, and the frictional shear stress TR between the tool and aluminium composite material in the contact surface reaches the shear flow stress k outside of the outer aluminium alloy layer at at least one local position in the forming tool during formation of the aluminium composite material.
The invention relates to a method for manufacturing a strip made of aluminum or an aluminum alloy as well as to a coated aluminum or aluminum alloy strip, a formed metal part made of said aluminum or aluminum alloy strip as well as to an apparatus for carrying out the inventive method. The object of the present invention to provide a method for manufacturing an aluminum strip or an aluminum alloy strip, which can be formed into a coated products with an improved corrosion resistance with low defective products is solved by a method for manufacturing a strip made of aluminum or an aluminum alloy comprising the steps of : - degreasing and anodizing the surface of the strip by immersing the strip in an acid electrolyte bath and applying AC current, optionally followed by a desmutting step and - applying a passivation layer on the surface of the strip by a no-rinse coil coating process.
C23C 28/04 - Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of main groups , or by combinations of methods provided for in subclasses and only coatings of inorganic non-metallic material
C25D 11/00 - Electrolytic coating by surface reaction, i.e. forming conversion layers
The invention relates to a method for forming an aluminum composite material which has a core alloy made of an aluminum alloy of the type AA5xxx or AA6xxx and at least one outer aluminum alloy layer provided on one or both sides. The aluminum composite material is formed in a forming tool, and the outer aluminum alloy layer provided on one or both sides has a yield strength Rp0,2 of 25 MPa to 60 MPa in the soft- or solution-annealed state. The aim of the invention is to extend the forming limits of AA6xxx und AA5xxx aluminum alloys which are of interest in the automotive industry and to provide a forming method which allows the production of heavily formed large-surface aluminum alloy sheet metal parts, in particular even exterior surface-quality sheet metal parts. This is achieved in that k,f,outside/kf"core < 0.5 applies to the yield stresses of the aluminum alloys of the core and of the at least one outer layer in the soft- or solution-annealed state, and the frictional shear stress TR between the tool and the aluminum composite material in the contact surface reaches the shear flow stress koutside of the outer aluminum alloy layer at at least one local position in the forming tool during the formation of the aluminum composite material.
The invention relates to a current collector foil made of aluminum or an aluminum alloy, to the use of the current collector foil for batteries or accumulators, in particular lithium-ion accumulators, and to a method for producing the current collector foil. The object of providing a current collector foil, which has very good properties with regard to conductivity and tensile strength, and which can also be produced economically, is achieved in that the current collector foil has an acid-pickled or alkali-pickled surface.
The invention relates to a method for thermally treating an aluminium workpiece, comprising the steps of providing an aluminium workpiece (304, 404, 504, 604, 710, 802), which is essentially in the T4 structural state, and exposing a first portion (328, 422, 522, 626, 720) of the workpiece (304, 404, 504, 604, 710, 802) to a first precipitation hardening process by artificial ageing to change the structural state of the first portion (328, 422, 522, 626, 720) of the workpiece (304, 404, 504, 604, 710, 802), wherein a part of the workpiece (304, 404, 504, 604, 710, 802) is actively cooled during the first precipitation hardening process, so that a second portion (330, 424, 524, 628, 722) of the workpiece (304, 404, 504, 604, 710, 802) essentially remains in the same structural state during the first precipitation hardening process. The invention further relates to an apparatus (302, 402, 502, 602, 702) for thermally treating an aluminium workpiece and to an aluminium workpiece (304, 404, 504, 604, 710, 802), especially producible with a method according to the invention.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
C21D 9/00 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor
95.
ALUMINUM ALLOY RESISTANT TO INTERCRYSTALLINE CORROSION
The invention relates to an aluminum alloy, to the use of an aluminum alloy strip or sheet, and to a method for producing an aluminum alloy strip or sheet. The aim of providing an aluminum alloy that has only a slight tendency toward intercrystalline corrosion, provides high strength and good formability at the same time, and contains standard alloy components so that the recycling of the aluminum alloy is simplified, is achieved by an aluminum alloy that has the following composition in wt%: 2.91% < Mg < 4.5%, 0.5% < Mn < 0.8%, 0.05% < Cu < 0.30%, 0.05% < Cr < 0.30%, 0.05% < Zn < 0.9%, Fe < 0.40%, Si < 0.25%, Ti < 0.20%, the remainder Al and contaminants individually less than 0.05%, in total no more than 0.15%, wherein the following applies to the alloy components Zn, Cr, Cu, and Mn: (2.3* %Zn + 1.25* %Cr + 0.65* %Cu + 0.05* %Mn) + 2.4 > %Mg.
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
96.
INTERGRANULAR CORROSION-RESISTANT ALUMINUM ALLOY STRIP, AND METHOD FOR THE PRODUCTION THEREOF
The invention relates to an aluminum alloy strip composed of an AA 5xxx-type aluminum alloy containing at least 4 wt.% of Mg in addition to Al and inevitable impurities. The aim of the invention is to design an AlMg aluminum alloy strip which is resistant to intergranular corrosion also at high strength and even when the alloy contains at least 4 wt.% of Mg. According to a first teaching of the present invention, said aim is achieved by an aluminum alloy strip that has a recrystallized structure, the grain size (KG) of which in μm has the following relation to the Mg content (c_Mg) in wt.%: KG ≥ 22 + 2*c_Mg, the aluminum alloy of the aluminum alloy strip having the following composition in wt.%: Si ≤ 0.2 %, Fe ≤ 0.35 %, 0.04 % ≤ Cu ≤ 0.08 %, 0.2 % ≤ Mn ≤ 0.5 %, 4.35 % ≤ Mg ≤ 4.8 %, Cr ≤ 0.1 %, Zn ឬ 0.25 %, Ti ≤ 0.1 %, the remainder consisting of Al and inevitable impurities, each of which amounts to no more than 0.05 wt.% and the total amount of which amounts to no more than 0.15 wt.%.
The invention relates to a cold-rolled aluminum alloy strip made of an AlMg aluminum alloy as well as a method for producing the same. Furthermore, adequate components made from said aluminum alloy strips are also disclosed. The aim of the invention is to design a single-layer aluminum alloy strip that is sufficiently resistant to intergranular corrosion and is nevertheless very easily malleable so that even large-area deep-drawn parts, e.g. interior parts of motor vehicle doors, can be made with sufficient strength. Said aim is achieved by an aluminum alloy strip made of an AlMg aluminum alloy which has the following alloying components: Si ≤ 0.2 wt.%, Fe ≤ 0.35 wt.%, Cu ≤ 0.15 wt.%, 0.2 wt.% ≤ Mn < 0.35 wt.%, 4.1 wt.% ≤ Mg ≤ 4.5 wt.%, Cr ≤ 0.1 wt.%, Zn ≤ 0.25 wt.%, Ti ≤ 0.1 wt.%, the remainder consisting of Al and inevitable impurities, each of which amounts to no more than 0.05 wt.% and the total amount of which amounts to no more than 0.15 wt.%. The aluminum alloy strip has a recrystallized structure, the average grain size of the structure ranges from 15 μm to 30 μm, preferably from 15μm to 25 μm, and the final soft annealing of the aluminum alloy strip is performed in a continuous furnace.
C22C 21/06 - Alloys based on aluminium with magnesium as the next major constituent
C22F 1/047 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
98.
Aluminium strip for lithographic printing plate carriers comprising water-based coatings
The invention relates to an aluminum alloy strip for the production of printing plate carriers comprising water-based coatings, wherein the aluminum alloy strip has a thickness of at most 0.5 mm. The object is to propose an aluminum alloy strip for the production of printing plate carriers comprising at least one water-based coating so that punctiform coating faults are prevented. The object is achieved for an aluminum alloy strip in that the aluminum alloy strip, in a longitudinal polished section prepared using water as a lubricant, has etch figures with a cubic etching, of which the longitudinal extent is at most 15 mm.
The invention relates to a current collector foil for batteries, accumulators, or capacitors, comprising a substrate material and at least one electrically conductive layer made of metal. The invention further relates to a production method for a corresponding current collector foil and advantageous use of said current collector foil. The aim of providing a current collector foil for batteries, accumulators, or capacitors that is optimized with regard to the contact surface and the adhesion properties and leads to an improvement in the service life is achieved in that the at least one electrically conductive layer is produced at least partially by means of the electrodeposition of a metal and has a texture.
The invention relates to the use of an aluminium composite material consisting of at least one aluminium core alloy and at least one external solder layer consisting of an aluminium solder alloy, provided on one or both sides of the aluminium core alloy. Starting from this prior art, the present invention addresses the problem of proposing a thermal joining method for an aluminium composite material such that the use of fluxes can be omitted. The problem is solved in that the aluminium solder layer of the aluminium composite material has a pickled surface and the aluminium composite material is used in a flux-free thermal joining method and the joining method is performed in the presence of a protective gas.
C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
B23K 20/233 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded without ferrous layer
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
C22F 1/043 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
patents
