Abrégé

According to the present invention, an electromagnetic steel sheet to be used for a laminated core has an insulating coating film 3 on the surface of a base steel sheet 2, said insulating coating film 3 being formed by applying a coating composition for electromagnetic steel sheets. This coating composition for electromagnetic steel sheets is obtained by blending, at a specific ratio, an epoxy resin, a first curing agent that is composed of an alkyl phenol, and a second curing agent that is composed of one or both of a phenolic resole resin and a phenolic novolac resin.

Classes IPC  ?

• B32B 15/092 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines époxy
• C09D 5/25 - Peintures ou laques électriquement isolantes
• C09D 161/10 - Condensats phénol-formaldéhyde
• C09D 163/00 - Compositions de revêtement à base de résines époxyCompositions de revêtement à base de dérivés des résines époxy
• C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
• C23C 26/00 - Revêtements non prévus par les groupes
• H01F 1/18 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de feuilles avec revêtement isolant
• H01F 27/245 - Noyaux magnétiques fabriqués à partir de tôles, p. ex. à grains orientés
• H02K 1/04 - Détails du circuit magnétique caractérisés par le matériau employé pour l'isolation du circuit magnétique ou de parties de celui-ci

Abrégé

This coating composition for an electromagnetic steel sheet comprises: an epoxy resin; a phenol-based curing agent (A); and at least one amine-based curing agent (B) selected from among aromatic amine and dicyandiamide, wherein the content of the phenol-based curing agent (A) is 1-40 parts by mass with respect to 100 parts by mass of the epoxy resin, and the content of the amine-based curing agent (B) is 0.5-5 parts by mass with respect to 100 parts by mass of the epoxy resin.

Classes IPC  ?

• B32B 15/092 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines époxy
• B32B 27/26 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des durcisseurs
• B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
• C09D 7/63 - Adjuvants non macromoléculaires organiques
• C09D 163/00 - Compositions de revêtement à base de résines époxyCompositions de revêtement à base de dérivés des résines époxy
• C23C 26/00 - Revêtements non prévus par les groupes
• H01F 1/147 - Alliages caractérisés par leur composition
• H01F 3/02 - Noyaux, culasses ou induits en feuilles
• H01F 27/245 - Noyaux magnétiques fabriqués à partir de tôles, p. ex. à grains orientés

Abrégé

This electromagnetic steel sheet comprises a base steel sheet, a first insulating coating that is formed on a first surface of the base steel sheet and is capable of adhesion, and a second insulating coating that is formed on a second surface of the base steel sheet on the reverse of the first surface and is capable of adhesion. The average pencil hardness of the first insulating coating is HB to 3H, and the average pencil hardness of the second insulating coating is greater than the average pencil hardness of the first insulating coating.

Classes IPC  ?

• H01F 1/147 - Alliages caractérisés par leur composition
• H01F 1/18 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de feuilles avec revêtement isolant
• H02K 1/04 - Détails du circuit magnétique caractérisés par le matériau employé pour l'isolation du circuit magnétique ou de parties de celui-ci

Abrégé

In this layered core manufacturing method, core single sheets are obtained by punching electromagnetic steel strips provided with an insulative coating, and by layering the core single sheets a layered core is manufactured. Immediately prior to the punching, at least two of the electromagnetic steel strips are pressed using guide rollers and are thereby temporarily adhered. The at least two electromagnetic steel strips that have been temporarily adhered are inserted into a punching tool, and the punching is carried out to obtain the core single sheets.

Classes IPC  ?

• H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants

Abrégé

This coating composition for electromagnetic steel sheets contains an epoxy resin, a latent epoxy resin curing agent and a thermoplastic elastomer; the thermoplastic elastomer has a melting point of from 100°C to 200°C and a bending modulus of elasticity of more than 5 MPa but not more than 100 MPa; and the content of the thermoplastic elastomer is not less than 10 parts by mass but less than 40 parts by mass relative to a total of 100 parts by mass of the epoxy resin and the latent epoxy resin curing agent.

Classes IPC  ?

• B32B 15/092 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines époxy
• H01F 1/18 - Aimants ou corps magnétiques, caractérisés par les matériaux magnétiques appropriésEmploi de matériaux spécifiés pour leurs propriétés magnétiques en matériaux inorganiques caractérisés par leur coercivité en matériaux magnétiques doux métaux ou alliages sous forme de feuilles avec revêtement isolant
• H02K 1/04 - Détails du circuit magnétique caractérisés par le matériau employé pour l'isolation du circuit magnétique ou de parties de celui-ci

Abrégé

This method for producing reduced iron by reducing iron oxide charged into a shaft furnace comprises: blowing a heated mixed gas that includes nitrogen gas and a reducing gas containing 90 vol% or more of hydrogen gas into a shaft furnace from a tuyere provided in the lower part of a reduction zone of the shaft furnace, while blowing at least some of the reducing gas at normal temperature into a reduced-iron cooling zone provided in the lower part of the shaft furnace; and using the reducing gas ascending through the cooling zone to reduce iron oxide.

Classes IPC  ?

• C21B 13/02 - Fabrication de fer spongieux ou d'acier liquide par des procédés directs dans des fours à cuve

Abrégé

Provided is a method for producing reduced iron by reducing iron oxide charged in a shaft furnace, wherein a mixed gas containing a reducing gas and a nitrogen gas and heated to a predetermined temperature is blown into the shaft furnace, the reducing gas containing at least 90 vol% of hydrogen gas.

Classes IPC  ?

• C21B 13/02 - Fabrication de fer spongieux ou d'acier liquide par des procédés directs dans des fours à cuve

Abrégé

An austenitic wear-resistant steel sheet according to an aspect of the present invention has: a predetermined chemical composition in which the contents of C and Mn in mass% satisfy -20×C+30

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes

Abrégé

Cr+Mo  Formula (ii).

Classes IPC  ?

• C22C 38/04 - Alliages ferreux, p. ex. aciers alliés contenant du manganèse
• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/12 - Alliages ferreux, p. ex. aciers alliés contenant du tungstène, du tantale, du molybdène, du vanadium ou du niobium
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/20 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du cuivre
• C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
• C22C 38/26 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du niobium ou du tantale
• C22C 38/08 - Alliages ferreux, p. ex. aciers alliés contenant du nickel
• C22C 38/02 - Alliages ferreux, p. ex. aciers alliés contenant du silicium
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C21D 8/10 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de corps tubulaires
• B23K 35/30 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 1550 C
• C21D 9/08 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour corps tubulaires ou tuyaux
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• B23K 11/00 - Soudage par résistanceSectionnement par chauffage par résistance

Abrégé

A steel material which has a chemical composition that contains, in mass%, 0.01-0.20% of C, 0.01-1.00% of Si, 0.05-3.00% of Mn, 0-0.050% of P, 0-0.0100% of S, 0.05-0.25% of Sn, 0-0.100% of Al, 0.0005-0.0100% of N, 0.0001-0.0100% of O, 0-0.050% of Ti, 0-0.050% of Nb, 0-0.050% of V, 0-0.050% of W, 0-0.050% of Mo, 0-0.10% of Cu, 0-0.05% of Ni, 0-0.10% of Cr, 0-0.05% of Sb, 0-0.0010% of B, 0-0.0100% of Ca, 0-0.0100% of Mg and 0-0.0100% of REM, with the balance made up of Fe and impurities. This steel material is configured such that the Sn ratio, which is expressed by the a/b ratio between the Sn concentration (a) at the crystal grain boundaries and the Sn concentration (b) within the crystal grains, is 1.2 or less.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

Provided is a method for producing reformed coal, the method having a dry distillation step for dry-distilling coal at 300-650°C to obtain dry-distilled coal, and an oxidation treatment step in which the dry-distilled coal is subjected to oxidation treatment for 10-60 minutes in a temperature range from more than 200°C to no more than 240°C.

Classes IPC  ?

• C10L 9/06 - Traitement des combustibles solides en vue d'améliorer leur combustion par des moyens chimiques par oxydation
• C10L 9/08 - Traitement des combustibles solides en vue d'améliorer leur combustion par traitement thermique, p. ex. calcination

Abrégé

This device for detecting a magnetic property changing part of an elongated material comprises: an excitation coil into which an elongated material is inserted and which magnetizes the elongated material along the longitudinal direction; a detection coil into which the elongated material is inserted and which detects the magnetic flux generated in the elongated material by the magnetization by the excitation coil; and a yoke member having a first opening section, which is positioned on one side along the longitudinal direction of the elongated material and into which the elongated material is inserted, and a second opening section, which is positioned on the other side along the longitudinal direction of the elongated material and into which the elongated material is inserted, and having a shape that is approximately axially symmetric with respect to an axial line passing the first opening section and the second opening section, wherein the excitation coil and the detection coil are surrounded by the yoke member, the first opening section, and the second opening section.

Classes IPC  ?

• G01N 27/80 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant des variables magnétiques pour rechercher la dureté mécanique, p. ex. en recherchant la saturation ou la rémanence d'un matériau ferromagnétique

Abrégé

Provided is a hot-rolled steel sheet that has a prescribed composition and that includes a two-phase structure in which a martensite phase has a structural fraction of 10-40% in terms of area fraction, and in which a ferrite phase has a structural fraction of at least 60%, wherein ferrite grains have an average grain diameter of at most 5.0 μm, and the coverage factor of martensite grains by the ferrite grains is more than 60%. Also provided is a hot-rolled steel sheet manufacturing method comprising: a step for achieving, in the last three rolling stands, a rolling load of at least 80% of that of an immediately-preceding rolling stand, and an average rolling temperature of 800-950°C; and a step for forced-cooling a steel sheet and then rolling up the steel sheet, wherein the forced cooling starts within 1.5 seconds of the termination of rolling to cool down the steel sheet to 600-750°C at an average cooling rate of at least 30°C/sec, and then the steel sheet is subjected to spontaneous cooling for 3-10 seconds, and then further cooled down to 200°C or lower at an average cooling rate of at least 30°C/sec.

Classes IPC  ?

• C22C 38/06 - Alliages ferreux, p. ex. aciers alliés contenant de l'aluminium
• C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles

Abrégé

The coated metallic sheet according to the present invention has a metallic sheet and a fat-containing first coating film which is disposed at least on one surface of the metallic sheet, wherein: the first coating film has a first region having a urethane linkage backbone and a second region having a triazine ring backbone; the first coating film has a glass transition temperature of 85-170°C; and when the second region is stained with osmium oxide and observed with a transmission-type electron microscope in a magnification ratio of 100,000, a dispersive second region in which particles having a number average particle diameter not less than 5 nm are dispersed and a concentrated second region in which such particles having a number average particle diameter not less than 5 nm are not found, are observed.

Classes IPC  ?

• B32B 15/095 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des polyuréthanes
• B05D 7/14 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers à du métal, p. ex. à des carrosseries de voiture
• B05D 7/24 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers pour appliquer des liquides ou d'autres matériaux fluides particuliers
• B32B 7/027 - Propriétés thermiques
• B32B 15/098 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique comprenant des résines de condensation d'aldéhydes, p. ex. avec des phénols, des urées ou des mélamines
• B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
• B32B 27/20 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des charges, des pigments, des agents thixotropiques
• B32B 27/38 - Produits stratifiés composés essentiellement de résine synthétique comprenant des résines époxy
• B32B 27/40 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyuréthanes
• B32B 27/42 - Produits stratifiés composés essentiellement de résine synthétique comprenant des résines de condensation d'aldéhydes, p. ex. avec des phénols, des urées ou des mélamines
• C09D 7/40 - Adjuvants
• C09D 161/26 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des composés contenant de l'hydrogène lié à l'azote d'aldéhydes avec des composés hétérocycliques
• C09D 175/04 - Polyuréthanes

Abrégé

Provided are: a nickel-containing steel sheet for low-temperature applications which has a prescribed chemical composition, a residual austenite volume fraction of 3.0-20.0 vol% at a position 1.5 mm from the surface in the thickness direction, and a maximum distance of at most 12.5 µm between adjacent residual austenite grains on a prior austenite grain boundary at the position 1.5 mm from the surface in the thickness direction, wherein residual austenite grains have an equivalent diameter of at most 2.5 µm at a position 1/4 of the sheet thickness from the surface in the thickness direction; and a tank using a nickel-containing steel sheet for low-temperature applications.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

The present invention provides an overlapping bonded structure in which breaking of a bonded section at holes formed during bonding can be prevented when an overlapping section formed by overlapping a plurality of meal plate members is bonded by means of a mechanical bonding means or a friction stir spot-welding means. This overlapping bonded structure, in which overlapping portions of a plurality of plate members are spot-welded at a plurality of bonded sections by means of a mechanical bonding means or a friction stir spot-welding means, and in the bonded sections a hole into which the mechanical bonding means is inserted or a hole formed during the spot-welding by the friction stir spot-welding means exists in at least one plate member, is characterized in that a cutout recess is formed between adjacent bonded sections, from an end portion of the overlapping section in the bonded-section direction, in the overlapping section of at least one of the plate sections, and when the inner diameter of the hole is K, an inside bottom portion of the cutout recess is formed at a position having a depth of K or greater from the end portion of the overlapping section.

Classes IPC  ?

• F16B 5/02 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation utilisant un filetage
• B23K 20/12 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p. ex. revêtement ou placage la chaleur étant produite par frictionSoudage par friction
• B62D 21/09 - Moyens pour le montage des surfaces d'appui pour la charge
• B62D 25/00 - Sous-ensembles de carrosserieÉléments ou détails de ceux-ci non prévus ailleurs
• F16B 5/04 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par rivetage
• F16B 5/08 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par soudage ou procédés similaires

Abrégé

This electrolytically Sn-plated steel sheet is provided with: a base steel sheet; and an electrolytic Sn plating layer which is arranged on the base steel sheet and has an Sn layer and an alloy layer, while containing a specific component. The Pb content in the whole electrolytic Sn plating layer is 50 ppm by mass or less. If the thickness of the electrolytic Sn plating layer is represented by t and the region from the surface of the electrolytic Sn plating layer to the depth of ((1/10) × t) in the plate thickness direction is defined as a surface layer region, the Pb content in the surface layer region is 5 ppm by mass or more, and the Pb content in the surface layer region is higher than the Pb content in the whole electrolytic Sn plating layer.

Classes IPC  ?

• C25D 21/18 - Régénération des bains d'électrolytes
• C25D 5/26 - Dépôt sur des surfaces métalliques auxquelles un revêtement ne peut être facilement appliqué sur des surfaces de fer ou d'acier

Abrégé

This method for manufacturing a cold forged product is for manufacturing a bottomed cylindrical cold forged product by moving a punch in an approaching/separating direction with respect to a workpiece placed in a die. The distance L1 (mm) between a first reference position and an end edge of a first annular cooling-medium flow path closest to the workpiece satisfies H-t < L1 < 1.5 × H, wherein, when viewed in the approaching/separating direction, the length of the workpiece before start of pressing is defined by H (mm), the ending position of pressing is defined by the first reference position, and the thickness of the bottom of the cold forged product is defined by t (mm).

Classes IPC  ?

• B21K 1/18 - Fabrication d'éléments de machines de pistons ou pistons-plongeurs
• B21J 5/06 - Méthodes pour forger, marteler ou presserÉquipement ou accessoires particuliers pour effectuer des opérations particulières
• B21J 13/02 - Matrices ou leurs montures
• F16D 65/02 - Organes de freinageLeur montage

Abrégé

This nickel-containing steel for use at low temperatures has a chemical composition comprising, in mass%, 0.020-0.070% of C, 0.03-0.30% of Si, 0.20-0.80% of Mn, 12.5-17.4% of Ni, 0.010-0.060% of Al, 0.0015-0.0060% of N, and 0.0007-0.0030% of O, and has a metallic structure which includes an austenite phase at a volumetric fraction of 2.0-30.0%, wherein, at a sheet thickness central part in a surface parallel to a rolling direction and a thickness direction, the average particle size of prior austenite grains is 3.0-20.0 μm, and the average aspect ratio of the prior austenite grains is 1.0-2.9.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

This nickel-containing steel for low-temperature use has a chemical composition within a prescribed range. The metal structure in the center section of the plate thickness contains an austenite phase of 2.0–20.0 volume%, the average grain diameter of prior austenite grains is 3.0–15.0 µm, the average aspect ratio of the prior austenite grains is 1.0–2.4, the plate thickness is 4.5–30 mm, the chemical components and the average grain diameter of prior austenite grains are further restricted according to plate thickness, the yield stress at room temperature is 460–710 MPa, and the tensile strength at room temperature is 560–810 MPa.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

This nickel-containing steel for low-temperature use has: a chemical composition that contains, in mass%, 0.030%–0.070% C, 0.03%–0.30% Si, 0.10%–0.80% Mn, 12.5%–17.4% Ni, 0.03%–0.60% Mo, 0.010%–0.060% Al, 0.0015%–0.0060% N, and 0.0007%–0.0030% O; a metal composition that includes, in volume fraction%, 2.0%–30.0% austenite phase; an average prior austenite grain diameter of 3.0–20.0 µm, in a plate thickness center section in a plane parallel to the extension direction and the plate thickness direction; and an average prior austenite grain aspect ratio of 3.1–10.0.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

This Ni steel has: a chemical composition within a prescribed range; a metal composition in the plate thickness center section that contains a 2.0–20.0 volume% austenite phase; an average grain diameter for prior austenite grains of 3.0–12.0 µm; an average prior austenite grain aspect ratio of 2.6–10.0; a plate thickness of 4.5–20 mm; a yield stress at room temperature of 590–710 MPa; a tensile strength at room temperature of 690–810 MPa; at least 11.5% Ni when the plate thickness exceeds 16 mm; and an average grain diameter for prior austenite grains of no more than 6.0 µm when the plate thickness is no more than 16 mm and there is less than 11.5% Ni.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

This electric furnace is provided with: one or more upper electrodes; one or more bottom-blowing tuyeres; a mechanical agitator including an impeller; and a feeding device for feeding an iron oxide-containing iron raw material.

Classes IPC  ?

• C21B 11/10 - Fabrication de la fonte brute autrement que dans les hauts fourneaux dans des fours électriques
• F27B 3/08 - Fours à sole, p. ex. fours à réverbérationFours à arc électrique à chauffage électrique, p. ex. fours à arc électrique, avec ou sans une autre source de chaleur
• C22B 5/10 - Procédés généraux de réduction appliqués aux métaux par voie sèche par des agents réducteurs carbonés solides

Abrégé

A beam joining method according to a first embodiment of the present invention comprises: a joining step for joining a beam made of H-shaped steel extending in the horizontal direction, to a structure member at a position above a gap in a state where the gap is generated, in the horizontal direction, between a lower flange of the beam and the structure member; a fixing step for inserting, into the gap, a first wedge member having an obliquely upward first inclined surface that horizontally faces the structure member, and fixing the first wedge member to the lower flange; and a press-fitting step for press-fitting a second wedge member into a portion between the structure member and the first wedge member by moving the second wedge member downward while causing sliding-contact of an obliquely downward second inclined surface of the second wedge member with the first inclined surface.

Classes IPC  ?

• E04B 1/58 - Assemblages pour les constructions du bâtiment en général d'éléments de construction en forme de barre
• E04B 1/24 - Structures comportant des éléments porteurs allongés, p. ex. colonnes, poutres, ossatures les pièces porteuses étant métalliques

Abrégé

22 mass%) is adjusted to greater than 0.1 and not more than 1 and the hot metal temperature is adjusted to be within the range of 1250°C to 1500°C.

Classes IPC  ?

• C21C 1/04 - Élimination des impuretés autres que le carbone, le phosphore ou le soufre
• C05B 5/00 - Phosphate ThomasAutres scories de déphosphoration
• C21C 1/02 - Déphosphoration ou désulfuration

Abrégé

The threaded connection partially in a self-locking arrangement comprises a first and a second tubular component provided respectively with male and female threaded zone at their respective ends. Only a portion (10p) of a first portion (11) with varying thread width of the male threaded zone (3) cooperate by self-locking tightening with only a portion (10b) of the second portion (12) with varying thread width of the female threaded zone (4) when made up one into the other. The connection is able to withstand high torques required for special applications such as drilling with casing or intermediate casing.

Classes IPC  ?

• E21B 17/042 - AccouplementsJoints entre tige et trépan, ou entre tiges filetés

Abrégé

Provided are a separator for fuel cells, the separator not only having excellent gas impermeability and conductivity but also excellent corrosion resistance, surface flatness, and flexibility, a method for producing the separator, and a separator precursor. The present invention is a separator for fuel cells, a method for producing the separator for fuel cells, and a separator precursor useful for obtaining the separator, the separator comprising: a metal substrate; a power generation part that is formed from a carbon resin composite layer laminated on at least one surface of the metal substrate; and a flat surface section that is provided on the outer peripheral edge of the carbon resin composite layer and surrounds the outer periphery of the power generation part, wherein the carbon resin composite layer forming the power generation part has a resin content of 5 to 50 mass% and a porosity of 3 to 30 volume%, the flat surface section has a resin section that contains a surface resin on at least the front surface side and a buffer section that has a resin impregnated region formed through permeation by the surface resin, and the surface roughness Ra of the resin section of the flat surface section is 1 to 10 μm.

Classes IPC  ?

• H01M 8/0243 - Composites sous forme de mélanges
• H01M 8/0206 - Métaux ou alliages
• H01M 8/0221 - Résines organiquesPolymères organiques
• H01M 8/0228 - Composites sous forme de produits en couches ou enrobés
• H01M 8/0234 - Matériau carboné
• H01M 8/0239 - Résines organiquesPolymères organiques
• H01M 8/0273 - Moyens d’étanchéité ou de support autour des électrodes, des matrices ou des membranes avec des moyens d’étanchéité ou de support sous forme d’un cadre
• H01M 8/10 - Éléments à combustible avec électrolytes solides

Abrégé

233, a metal soap, a wax and a basic aromatic organic acid metal salt. A threaded joint (1) for pipes according to one embodiment of the present invention is provided with a pin (5) and a box (8). Each of the pin (5) and the box (8) has a threaded part (4, 7) and a contact surface that has a non-threaded metal contact part. The threaded joint (1) for pipes is provided with a lubricating coating film layer (21), which is formed from the above-described composition, on the contact surface of at least one of the pin (5) and the box (8); and the lubricating coating film layer (21) functions as the outermost layer.

Classes IPC  ?

• C10M 169/06 - Mélanges d'épaississants et d'additifs
• C10M 115/04 - Compositions lubrifiantes caractérisées en ce que l'épaississant est un composé organique non macromoléculaire, autre qu'un acide carboxylique ou ses sels contenant de l'oxygène
• C10M 115/10 - Compositions lubrifiantes caractérisées en ce que l'épaississant est un composé organique non macromoléculaire, autre qu'un acide carboxylique ou ses sels contenant du soufre
• C10M 117/08 - Compositions lubrifiantes caractérisées en ce que l'épaississant est un acide carboxylique non macromoléculaire ou ses sels comportant un seul groupe carboxyle lié à un atome de carbone d'un cycle aromatique à six chaînons
• C10M 125/10 - Oxydes, hydroxydes, carbonates, bicarbonates, métalliques
• C10M 129/40 - Acides carboxyliquesLeurs sels comportant des groupes carboxyle liés à des atomes de carbone acycliques ou cycloaliphatiques comportant au moins 8 atomes de carbone monocarboxyliques
• C10M 159/06 - Cires, p. ex. ozocérite, cérésine, gelée de pétrole ou paraffine non deshuilée
• C10N 10/12 - Groupes 6 ou 16
• C10N 30/00 - Propriétés physiques ou chimiques particulières améliorées par l'additif caractérisant la composition lubrifiante, p. ex. additifs multifonctionnels
• C10N 30/06 - OnctuositéRésistance du filmAnti-usureRésistance aux pressions extrêmes
• C10N 40/00 - Utilisation ou application particulière de la composition lubrifiante
• C23C 26/00 - Revêtements non prévus par les groupes
• C23C 28/00 - Revêtement pour obtenir au moins deux couches superposées, soit par des procédés non prévus dans un seul des groupes principaux , soit par des combinaisons de procédés prévus dans les sous-classes et
• F16L 15/04 - Raccords avec filetageFormes des filetages pour ces raccords avec des joints d'étanchéité supplémentaires

Abrégé

AB01ABBAA ranges from 0.6 to 10.0. The average difference in height between the rough part (A) and the adjacent smooth part (B) is 0.3 µm to 3.0 µm.

Classes IPC  ?

• C25D 7/00 - Dépôt électrochimique caractérisé par l'objet à revêtir
• B32B 3/30 - Produits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche continue dont le périmètre de la section droite a une allure particulièreProduits stratifiés comprenant une couche ayant des discontinuités ou des rugosités externes ou internes, ou une couche de forme non planeProduits stratifiés comprenant une couche ayant des particularités au niveau de sa forme caractérisés par une couche comportant des cavités ou des vides internes caractérisés par une couche comportant des retraits ou des saillies, p. ex. des gorges, des nervures
• B32B 15/01 - Produits stratifiés composés essentiellement de métal toutes les couches étant composées exclusivement de métal
• B32B 15/08 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de résine synthétique
• C25D 5/26 - Dépôt sur des surfaces métalliques auxquelles un revêtement ne peut être facilement appliqué sur des surfaces de fer ou d'acier
• C25D 5/36 - Prétraitement des surfaces métalliques à revêtir de métaux par voie électrolytique de fer ou d'acier
• C25D 5/48 - Post-traitement des surfaces revêtues de métaux par voie électrolytique

Abrégé

Provided is a threaded joint for pipes, which has achieved excellent welding resistance without performing a surface roughening step, said excellent welding resistance being comparable to those in cases where a surface roughening step is performed, and which has low shouldering torque. A threaded joint (50) for pipes according to the present invention is provided with a pin (13) and a box (14). This threaded joint for pipes is provided with a Zn-Ni alloy plating layer (21) and a solid lubricating coating film (23). The Zn-Ni alloy plating layer (21) is formed on a contact surface of at least one of the pin (13) and the box (14), and contains 10-16% by mass of Ni. The solid lubricating coating film (23) is formed on the Zn-Ni alloy plating layer (21). The contact surface, on which the Zn-Ni alloy plating layer (21) is formed, has been ground. If Ra1 is the arithmetic mean roughness of the surface of the Zn-Ni alloy plating layer (21) and Ra2 is the arithmetic mean roughness of the contact surface, Ra1 is 0.1-3.2 μm, and Ra1 is larger than Ra2.

Classes IPC  ?

• F16L 15/04 - Raccords avec filetageFormes des filetages pour ces raccords avec des joints d'étanchéité supplémentaires
• C23C 28/00 - Revêtement pour obtenir au moins deux couches superposées, soit par des procédés non prévus dans un seul des groupes principaux , soit par des combinaisons de procédés prévus dans les sous-classes et
• F16L 15/00 - Raccords avec filetageFormes des filetages pour ces raccords
• C25D 5/26 - Dépôt sur des surfaces métalliques auxquelles un revêtement ne peut être facilement appliqué sur des surfaces de fer ou d'acier

Abrégé

Provided is an outer-plate panel manufacturing method with which it is possible, when manufacturing an outer-plate panel having a character line by pressing, to suppress the occurrence of line misalignment. A punch 2 has a punch apex portion 2a provided with a projecting portion 2b for molding a bent surface of a character line and a punch shoulder R portion 2c. At least one of the projecting portion 2b and the punch shoulder R portion 2c provides a blank with a surface pressure higher than a surface pressure with which the blank is provided by means of a remaining portion 2d of the punch 2 excluding the projecting portion 2b and the punch shoulder R portion 2c. A first portion of the punch 2 including at least one of the projecting portion 2b and the punch shoulder R portion 2c has a coefficient of static friction with respect to the blank which is greater than a coefficient of static friction of a second portion of the punch 2 excluding the first portion with respect to the blank.

Classes IPC  ?

• B21D 22/26 - Emboutissage pour faire des objets de formes particulières, p. ex. de formes irrégulières
• B21D 24/00 - Agencement des presses, ou systèmes en relation avec les presses, pour l'emboutissage
• B60J 5/04 - Portes disposées sur les côtés du véhicule
• B62D 65/00 - Tracé, fabrication, p. ex. assemblage, mesures pour faciliter le désassemblage, ou modification de la structure des véhicules à moteurs ou des remorques, non prévus ailleurs

Abrégé

This torsion beam manufacturing method is for manufacturing a torsion beam provided with: a central part in which a cross-section orthogonal to the longitudinal direction is a closed cross-section of a roughly V or U shape at an arbitrarily defined position in the longitudinal direction; and a shape change part which is connected to the central part and has a connection region having a closed cross-section shaped differently from that of said closed cross-section. This torsion beam manufacturing method has a compression step for making the torsion beam by increasing the thickness of at least the connection region through application of a compression force in the longitudinal direction with respect to at least the connection region in the torsion beam material in which the central part and the shape change part have been formed.

Classes IPC  ?

• B21D 22/02 - Estampage utilisant des dispositifs ou outils rigides
• B21D 53/86 - Fabrication d'autres objets particuliers d'autres parties de bicyclettes ou motocyclettes
• B60G 9/04 - Suspensions élastiques d’un essieu rigide ou d’un carter d’essieux pour plusieurs roues l'essieu ou le carter n'étant pas montés à pivot sur le véhicule

Abrégé

All or part of this hot-stamp molded article has a chemical composition that includes, in percent by mass, at least 0.001% and less than 0.080% of C, 2.50% or less of Si, at least 0.01% and less than 0.50% of Mn, 0.200% or less of P, 0.0200% or less of S, 0.001-2.500% of sol. Al, 0.0200% or less of N, and at least 0.30% and less than 2.00% of Cr, the balance being Fe and unavoidable impurities. The metal structure includes, in percent by volume, over 60.0% of ferrite, at least 0% and less than 10.0% of martensite, and at least 0% and less than 20.0% of bainite. The tensile strength of the hot-stamp molded article is less than 700 MPa. After a heat treatment for 20 minutes at 170°C, the ΔTS, which is the amount by which the tensile strength is reduced, is 100 MPa or less.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 1/18 - DurcissementTrempe avec ou sans revenu ultérieur
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

An austenitic stainless steel having a chemical composition, in mass%, of C: 0.04%-0.12%, Si: 0.25%-0.55%, Mn: 0.7%-2.0%, P: not more than 0.035%, S: not more than 0.0015%, Cu: 0.02%-0.80%, Co: 0.02%-0.80%, Ni: 10.0%-14.0%, Cr: 15.5%-17.5%, Mo: 1.5%-2.5%, N: 0.01%-0.10%, Al: not more than 0.030%, O: not more than 0.020%, Sn: 0%-0.01%, Sb: 0%-0.01%, As: 0%-0.01%, Bi: 0%-0.01%, V: 0%-0.10%, Nb: 0%-0.10%, Ti: 0%-0.10%, W: 0%-0.50%, B: 0%-0.005%, Ca: 0%-0.010%, Mg: 0%-0.010%, REM: 0%-0.10%, and balance: Fe and impurities, and satisfying [18.0 ≤ Cr + Mo + 1.5 x Si ≤ 20.0] and [14.5 ≤ Ni + 30 x (C + N) + 0.5 x (Mn + Cu + Co) ≤ 19.5].

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

An austenitic stainless steel weld metal having a chemical composition, in mass%, of C: 0.01%-0.10%, Si: 0.20%-0.70%, Mn: 0.8%-2.5%, P: not more than 0.035%, S: not more than 0.0030%, Cu: 0.01%-0.60%, Co: 0.01%-1.00%, Ni: 8.0%-12.0%, Cr: 14.5%-17.5%, Mo: 1.0%-2.2%, N: 0.02%-0.10%, Al: not more than 0.030%, O: not more than 0.020%, Sn: 0%-0.01%, Sb: 0%-0.01%, As: 0%-0.01%, Bi: 0%-0.01%, V: 0%-0.10%, Nb: 0%-0.10%, Ti: 0%-0.10%, W: 0%-0.50%, B: 0%-0.005%, Ca: 0%-0.010%, Mg: 0%-0.010%, REM: 0%-0.10%, and balance: Fe and impurities, and satisfying [17.5 ≤ Cr + Mo + 1.5 x Si ≤ 19.5] and [11.0 ≤ Ni + 30 x (C + N) + 0.5 x (Mn + Cu + Co) ≤ 17.0].

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

Provided is a method for spot welding that is a technique for spot welding with which it is possible to suppress intrusion of hydrogen, which is one factor leading to delayed fracture, during spot welding, wherein the method involves: machining in advance one or both steel sheet surfaces that form facing surfaces of overlapped steel sheets, the machining being carried out at locations that form contact points at which the steel sheets contact each other during initial application of pressure for spot welding, and forming a plurality of lines that extend through the contact points to beyond the contact points; and performing spot welding at the locations of the contact points. Also provided is a steel sheet on which a plurality of lines are machined in advance at locations that form contact points at which steel sheets contact each other during initial application of pressure for the spot welding.

Classes IPC  ?

• B23K 11/11 - Soudage par points
• B23K 11/34 - Traitement préalable

Abrégé

This steel sheet has a predetermined chemical composition, and the carbon equivalent represented by a specific formula falls within a predetermined numerical range. The metal structure at a position of ¼ of the thickness from the steel sheet surface (1/4 of the sheet thickness) has, in area fraction, 10-75% ferrite phase, 10-90% bainite phase, 0-15% pearlite phase and 0-1% martensite/austenite mixed phase, with the average particle size (diameter) measured by electron backscatter analysis of all phases not exceeding 20 µm. The circle-equivalent diameter (diameter) contained in ¼ of the thickness of the steel sheet is at least 2 µm, the total of oxides, sulfides and oxysulfides does not exceed 50 units/mm2(1/2)(1/4)(1/2)(1/4)(1/4)) at a position at a quarter of the sheet thickness (quarter sheet thickness) is 0.90-1.80.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• B21B 3/00 - Laminage des matériaux faits d'alliages particuliers dans la mesure où la nature de l'alliage exige ou permet l'emploi de méthodes ou de séquences particulières
• B22D 11/108 - Alimentation en additifs, poudres ou similaires
• B22D 11/12 - Accessoires pour le traitement ultérieur ou le travail sur place des barres coulées
• B22D 11/128 - Accessoires pour le traitement ultérieur ou le travail sur place des barres coulées pour l'enlèvement
• B22D 11/20 - Commande ou régulation des opérations ou du fonctionnement du retrait des barres coulées
• C21C 7/06 - Élimination des impuretés par addition d'agent traitant de l'oxygène, p. ex. calmer
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

A hat-shaped steel sheet piling 1 that extends in a longitudinal direction and that constitutes a wall by a plurality of same being disposed wherein: the relationship per 1 m length in the width direction of the hat-shaped steel sheet piling 1 between the cross-sectional area A (cm2/m) and the cross-sectional second moment of area I (cm4/m) about a cross section center of gravity line M extending in the width direction in the plan view seen from the longitudinal direction of the hat-shaped steel sheet piling 1 satisfies formula (1); and formula (2A) and formula (2B), formula (3A) and formula (3B), formula (4A) and formula (4B), or formula (5A) and formula (5B) are satisfied with D1 (mm) as the distance between the cross section center of gravity line M and a first intersection point P1 of extension lines for each of a pair of flanges 11 on the plan view, and D2 (mm) as the distance between second intersection points P2 where the cross section center of gravity line M intersects each of the pair of flanges 11. (1): A < 0.00252I + 94.4 (2A): 262.6 < D1 < 281.0 (3A): 496.9 < D1 < 520.9 (4A): 621.5 < D1 < 650.9 (5A): 625.2 < D1 < 654.8 (2B): 484.0 < D2 < 499.0 (3B): 474.0 < D2 < 489.0 (4B): 476.0 < D2 < 491.0 (5B): 474.0 < D2 < 489.0

Classes IPC  ?

• E02D 5/04 - Éléments préfabriqués en acier

Abrégé

Provided are a plating adhesion evaluation device, a plating adhesion evaluation method, equipment for manufacturing an alloyed hot-dip galvanized steel sheet, and a method for manufacturing an alloyed hot-dip galvanized sheet, with which it is possible to more accurately measure the quantity of a Γ·Γ single phase and to more accurately evaluate the plating adhesion of an alloyed hot-dip galvanized steel sheet. [Problem] A plating adhesion evaluation device according to the present invention comprises: an X-ray diffraction intensity measurement unit that measures the intensity of X-ray diffraction of a Γ·Γ single phase through an X-ray diffraction method with respect to an alloyed hot-dip galvanized steel sheet; and an evaluation unit that, on the basis of the X-ray diffraction intensity of the Γ·Γ single phase and the galvanization weight, evaluates the plating adhesion of the alloyed hot-dip galvanized steel sheet.

Classes IPC  ?

• G01N 23/20 - Recherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffraction de la radiation par les matériaux, p. ex. pour rechercher la structure cristallineRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la diffusion de la radiation par les matériaux, p. ex. pour rechercher les matériaux non cristallinsRecherche ou analyse des matériaux par l'utilisation de rayonnement [ondes ou particules], p. ex. rayons X ou neutrons, non couvertes par les groupes , ou en utilisant la réflexion de la radiation par les matériaux
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile
• C23C 2/40 - PlaquesBandes

Abrégé

An austenitic stainless steel welding metal which has a chemical composition that contains, in mass%, 0.05-0.11% of C, 0.10-0.50% of Si, 1.0-2.5% of Mn, 0.035% or less of P, 0.0030% or less of S, 0.01-1.00% of Co, 9.0-11.5% of Ni, 17.0-21.0% of Cr, 0.60-0.90% of Nb, 0.001-0.100% of Ta, 0.01-0.15% of N, 0.030% or less of Al, 0.020% or less of O, 0-0.10% of V, 0-0.10% of Ti, 0-0.50% of W, 0-0.50% of Mo, 0-0.50% of Cu, 0-0.005% of B, 0-0.010% of Ca, 0-0.010% of Mg and 0-0.10% of REM, with the balance made up of Fe and impurities, and which satisfies (Nb - 7.8 × C) ≤ 0.25.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• B23K 35/30 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 1550 C
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

A welding material for austenitic heat-resistant steel having a chemical composition, by mass, of 0.06 to 0.14% of C, 0.10 to 0.40% of Si, 2.0 to 4.0% of Mn, 0.020% or less of P, 2.0 to 4.0% of Cu, 15.0 to 19.0% of Ni, 16.0 to 20.0% of Cr, 0.50 to 1.50% of Mo, 0.30 to 0.60% of Nb, 0.10 to 0.30% of N, 0.030% or less of Al, 0.020% or less of O, 0 to 0.0030% of S, 0 to 0.0030% of Sn, 0 to 0.0030% of Bi, 0 to 0.0030% of Zn, 0 to 0.0030% of Sb, 0 to 0.0030% of As, 0 to 0.50% of V, 0 to 0.50% of Ti, 0 to 0.50% of Ta, 0 to 2.0% of Co, 0 to 0.020% of B, 0 to 0.020% of Ca, 0 to 0.020% of Mg, 0 to 0.06% of REM, with the remainder being made up by Fe and impurities, and containing two or more elements selected from S, Sn, Bi, Zn, Sb, and As in the range satisfying [0.0005 ≤ S + Sn + Bi + Zn + Sb + As ≤ 0.0030].

Classes IPC  ?

• B23K 35/30 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 1550 C
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore

Abrégé

Provided are: a core sheet 1 having an annular core back part 11 and a plurality of teeth parts 12 that extend from the core back part 11 toward the radial center O thereof; and a method for manufacturing the same. The core sheet 1 is obtained by carrying out a punching step, a winding step, and a removal step. The removal step includes at least partially removing a region of a grain-oriented magnetic steel sheet 3 where a band-shape core back part is to be formed, a band-shape core back part 21 of a sheet piece 2, and an insulating coating 31 in the core back part 11 of the core sheet 1.

Classes IPC  ?

• H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
• H02K 1/04 - Détails du circuit magnétique caractérisés par le matériau employé pour l'isolation du circuit magnétique ou de parties de celui-ci
• H02K 1/12 - Parties fixes du circuit magnétique
• H02K 1/16 - Noyaux statoriques à encoches pour enroulements

Abrégé

[Problem] To stabilize the coating amount of molten metal applied onto a steel strip. [Solution] Provided is a method for manufacturing a gas wiping nozzle that is provided with a pair of lip sections disposed so as to face each other and a slit formed between the pair of lip sections and serving as a gas blow-out port, the slit being used to blow gas through same onto a steel strip having been pulled up from a plating bath, thereby adjusting the thickness of a molten metal film having adhered to the surface of the steel strip, the method comprising: a fitting process in which fitting protrusions provided on one of the lip sections are fitted into fitting holes provided in the other lip section; and a fixing process in which, while the fitting protrusions and the fitting holes are in a fitted state of having been fitted together, the pair of lip sections are fixed to each other. There are two pairs each constituted by one fitting protrusion and one fitting hole, and the two pairs are removed from each other in the width direction of the steel strip. When said fitted state has been established, relative movement of the pair of lip sections is restricted in the thickness direction of the steel strip, and gaps between the fitting protrusions and the fitting holes in the thickness direction of the steel strip satisfy predetermined conditions.

Classes IPC  ?

• C23C 2/18 - Élimination de l'excès du revêtement fondu d'objets allongés
• B05B 1/04 - Buses, têtes de pulvérisation ou autres dispositifs de sortie, avec ou sans dispositifs auxiliaires tels que valves, moyens de chauffage agencés pour produire un jet, un pulvérisat ou tout autre écoulement de forme ou de nature particulière, p. ex. sous forme de gouttes individuelles de forme plane, p. ex. en forme d'éventail, en forme de lame
• C23C 2/40 - PlaquesBandes

Abrégé

The purpose of the invention is to provide a pile construction method that can reliably improve pile bearing capacity. Provided is a pile construction method comprising a step of driving a pile by applying vibration with a vibratory hammer while injecting a high-pressure fluid into the ground, wherein one or more high-pressure fluid delivery devices and a manifold device having a cylindrical inner space are disposed, the one or more high-pressure fluid delivery devices are respectively connected to one or more injection holes in the manifold device, and a plurality of discharge holes in the manifold device are respectively connected to a plurality of jet pipe members. With the inner space of the manifold device filled with the high-pressure fluid, the high-pressure fluid is discharged from each of the plurality of discharge holes and, in terms of the discharge rates of the high-pressure fluid discharged from each of the plurality of discharge holes, the difference between the maximum discharge rate and the minimum discharge rate is no more than 5% of the maximum discharge rate.

Classes IPC  ?

• E02D 7/26 - Mise en place par l'utilisation simultanée de plusieurs procédés
• E02D 5/04 - Éléments préfabriqués en acier
• E02D 5/28 - Pieux préfabriqués en acier
• E02D 7/18 - Mise en place par vibration
• E02D 7/24 - Mise en place par utilisation de jets de fluides

Abrégé

A plated steel sheet which comprises: a steel sheet; a first aluminum plating layer which is provided on a first surface of the steel sheet; a zinc compound layer or zinc metal layer, which is provided on the surface of the first aluminum plating layer; and a second aluminum plating layer which is provided on a second surface that is the outermost surface of the steel sheet. A plated steel sheet coil and a method for producing a hot pressed article, each of which uses this plated steel sheet. An automobile component which uses a pressed article that is produced by this method for producing a hot pressed article.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• B21D 22/20 - Emboutissage
• B21D 22/26 - Emboutissage pour faire des objets de formes particulières, p. ex. de formes irrégulières
• B21D 24/00 - Agencement des presses, ou systèmes en relation avec les presses, pour l'emboutissage
• B21D 24/04 - Serre-flansMoyens de montage des serre-flans
• B32B 9/04 - Produits stratifiés composés essentiellement d'une substance particulière non couverte par les groupes comprenant une telle substance comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique
• B32B 15/04 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique
• C23C 2/28 - Post-traitement thermique, p. ex. par traitement dans un bain d'huile

Abrégé

CCCCC(x) is the time required to cool the portion of the steel material at position x down to the target temperature.

Classes IPC  ?

• B21B 45/02 - Dispositifs pour le traitement de surface des pièces spécialement combinés aux laminoirs, disposés dans les laminoirs, ou adaptés pour être utilisés avec les laminoirs pour lubrifier, refroidir ou nettoyer
• C21D 9/00 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet

Abrégé

Provided are: a stainless steel sheet with excellent corrosion resistance, low contact resistance, and excellent press workability without using expensive starting materials such as gold and rare metals; and a production method therefor. The stainless steel sheet production method has: a step (step S1) for preparing a slab, the chemical composition of which comprises, in mass%, Cr: 20-26%, N: 0.1% or less, Si: 2.0% or less, etc.; a step (step S2) for obtaining a rolled steel sheet of 50-200 µm thickness by hot rolling and cold rolling said slab; an annealing step (step S3) for annealing said rolled steel sheet in a nitrogen-containing gas atmosphere and cooling; and a step (step S4) for pickling said rolled steel sheet after the annealing step in a solution containing a non-oxidizing acid. For said stainless steel sheet, the N content is 0.6-2.0 mass%.

Classes IPC  ?

• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/44 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du molybdène ou du tungstène
• H01M 8/10 - Éléments à combustible avec électrolytes solides

Abrégé

The steel tube according to one embodiment of the present invention comprises: a base material part that comprises a tubular steel sheet; and a weld part that is provided at a joint part of the steel sheet and extends in the longitudinal direction of the steel sheet. The steel sheet has a prescribed component composition, a Ceq of 0.30–0.53, and a Pcm of 0.100–0.165. The metal structure of a surface layer of the steel sheet includes, by area ratio, 0%–50% polygonal ferrite. The metal structure of a 1/4t part of the steel sheet includes, by area ratio, 10%–40% polygonal ferrite. The metal structure of a 1/2t part of the steel sheet includes, by area ratio, 5%–30% polygonal ferrite. The effective grain size at a sheet thickness surface of the steel sheet is no more than 20 μm. At the sheet thickness surface of the steel sheet, hardness is uniformly distributed in the sheet thickness direction, and the difference between the hardness of the surface layer and the hardness of the 1/2t part is no more than 30 Hv.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes

Abrégé

This steel pipe includes a base material section composed of a tube of steel plate having a predetermined chemical composition, and a weld section that is provided to a butted section of the steel plate and extends in the longitudinal direction of the steel plate. A surface section metallographic structure, which is the metallographic structure of the base material section in a range from the surface to 1.0 mm in the depth direction, contains polygonal ferrite and granular bainite; the area ratio of the polygonal ferrite in the surface section metallographic structure is 0 to 70%; the total area ratio for the polygonal ferrite and the granular bainite is 50% or more; and the maximum hardness in the surface section metallographic structure is 270 Hv or less. An internal metallographic structure, which is the metallographic structure of the base material section in a range from over 1.0 mm in the depth direction from the surface to a plate thickness center, contains polygonal ferrite at an area ratio of 40% or less; the maximum hardness in the internal metallographic structure is 248 Hv or less; and the mean hardness is 150 to 220 Hv.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes

Abrégé

maxmax of at least 250 Hv and a yield ratio of at least 85%.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes

Abrégé

This eddy current-type damper (1) is provided with: a threaded shaft (7) that is capable of moving in an axial direction; a plurality of first permanent magnets (3); a plurality of second permanent magnets (4); a magnet holding member (2) formed in a cylindrical shape; a current-conducting member (5) which is formed in a cylindrical shape and which has conductive properties; a ball nut (6) which meshes with the threaded shaft (7); and a heat transfer layer (12) which covers a surface of the current-conducting member (5) facing the first permanent magnets (3) and the second permanent magnets (4). The magnet holding member (2) holds the first permanent magnets (3) and the second permanent magnets (4). The current-conducting member (5) is disposed so as to face, across a gap, the first permanent magnets (3) and the second permanent magnets (4). The ball nut (6) is disposed inside the current-conducting member (5) and the magnet holding member (2) and is fixed to the magnet holding member (2) or the current-conducting member (5). The heat transfer layer (12) has a higher thermal conductivity than the current-conducting member (5).

Classes IPC  ?

• F16F 15/03 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens électromagnétiques
• F16H 25/20 - Mécanismes à vis
• F16H 25/22 - Mécanismes à vis avec billes, rouleaux ou organes similaires entre pièces travaillant en conjugaisonÉléments essentiels pour l'utilisation de ces organes
• F16H 25/24 - Éléments essentiels pour ces mécanismes, p. ex. vis, écrous
• H02K 49/10 - Embrayages dynamo-électriquesFreins dynamo-électriques du type à aimant permanent

Abrégé

Provided is a steel material having excellent rolling fatigue characteristics, the steel material being characterized by comprising: 0.10-1.50 mass% of C; 0.01-0.80 mass% of Si; 0.10-1.50 mass% of Mn; 0.02-2.50 mass% of Cr; 0.002-0.010 mass% (exclusive of 0.010) of Al; 0.0001-0.0025 mass% of Ce+La+Nd; 0.0005-0.0050 mass% of Mg; 0.0001-0.0020 mass% of O; 0.000-0.005 mass% (exclusive of 0.005) of Ti; 0.0180 mass% or less of N; 0.030 mass% or less of P; 0.005 mass% or less of S; 0.0000-0.0010 mass% of Ca; 0.00-0.40 mass% of V; 0.00-0.60 mass% of Mo; 0.00-0.50 mass% of Cu; 0.000-0.050 mass% (exclusive of 0.050) of Nb; 0.00-2.50 mass% of Ni; 0.00-0.10 mass% of Pb; 0.00-0.10 mass% of Bi; 0.0000-0.0050 mass% of B; and the balance being Fe and impurities, wherein an inclusion, which is present at the start point of fatigue and detected by an ultrasonic fatigue test, contains Mg, Al, O and at least one among Ce, La and Nd, and also has a composition ratio satisfying formula (1).

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/28 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du titane ou du zirconium
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C21C 7/06 - Élimination des impuretés par addition d'agent traitant de l'oxygène, p. ex. calmer

Abrégé

This hot-dip plated checkered plate has: a base material steel plate, an Ni plated layer, and a hot-dip plated layer, and has on the plate surface a projecting part and a flat part. The film thickness of the Ni plated layer of the projecting part is 0.07 to 0.4 µm, the film thickness of the Ni plated layer of the flat part is 0.05 to 0.35 µm, and the film thickness of the Ni plated layer of the projecting part is more than 100% and 400% or less than the film thickness of the Ni plated layer of the flat part.

Classes IPC  ?

• C23C 2/02 - Pré-traitement du matériau à revêtir, p. ex. pour le revêtement de parties déterminées de la surface
• C22C 18/00 - Alliages à base de zinc
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 28/02 - Revêtements uniquement de matériaux métalliques
• C25D 21/00 - Procédés pour l'entretien ou la conduite des cellules pour revêtement électrolytique

Abrégé

Provided is a steel hot stamping molded article having: at least one of a tensile strength of 1200 MPa or higher and a martensitic steel structure; and a first part, a corner, and a second part which are sequentially contiguous from one end to the other end in a longitudinal direction, wherein the hot stamping molded article is characterized in that, in a cross-section view perpendicular to the longitudinal direction, each of the first part, the corner, and the second part has a top plate, and two vertical walls which are connected to the top plate, in that the second part has a first outward flange which is adjacent to the vertical walls, and in that the corner has a vertical flange which extends from the vertical walls of the first part, a second outward flange which is adjacent to one of the two vertical walls located on the outer peripheral side of the corner, and a transition part to which the vertical flange and the second outward flange are contiguous.

Classes IPC  ?

• B21D 22/20 - Emboutissage
• B21D 24/04 - Serre-flansMoyens de montage des serre-flans
• B62D 25/04 - Montants de portes

Abrégé

This Zn-Al-Mg plated steel sheet includes a steel sheet, an alloy layer formed on a surface of the steel sheet and containing Fe and Si, and a plating layer formed on the surface, of the alloy layer, opposite to the steel sheet, wherein: the average composition of the plating layer and the alloy layer contains, in mass%, 45.0-65.0% of Al, 0.50-5.00% of Si, and 1.00-10.00% of Mg, the remaining portion being Zn, Fe, and impurities; the plating layer contains 0.1-20.0% of a Mg-Si phase in terms of volume fraction; when a 1-μm range from the surface of the plating layer in the thickness direction of the plating layer is defined as the surface layer portion of the plating layer, the average equivalent circular diameter of the Mg-Si phase in the surface layer portion in a direction in which a planar view of the plating layer is obtained is 0.1-15.0 μm; the integrated value of the Si content from the surface of the plating layer to the center in the thickness direction of the plating layer is not less than 0.55 times of the integrated value of the Si content from the surface of the plating layer to the interface.

Classes IPC  ?

• C23C 2/12 - Aluminium ou ses alliages
• C22C 18/04 - Alliages à base de zinc avec l'aluminium comme second constituant majeur

Abrégé

Provided is a clock component including a titanium alloy, wherein the titanium alloy contains, in percent by mass, 1.0-3.5% of Al, 0.1-0.4% of Fe, 0.00-0.15% of O, 0.00-0.10% of C, 0.00-0.20% of Sn, and 0.00-0.15% of Si, the balance being Ti and unavoidable impurities. The average grain size of α-phase crystal grains is 15.0 μm or less, the average aspect ratio of the α-phase crystal grains is 1.0-3.0 (inclusive), and the variation coefficient of the number density of β-phase crystal grains dispersed in the α phase is 0.30 or less.

Classes IPC  ?

• C22C 14/00 - Alliages à base de titane
• C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
• C22F 1/18 - Métaux réfractaires ou à point de fusion élevé ou leurs alliages

Abrégé

An eddy current damper (1) includes a screw shaft (7), a plurality of first permanent magnets (3), a plurality of second permanent magnets (4), a cylindrical magnet holding member (2), a conductive member (5) having conductivity and a cylindrical shape, and a ball nut (6) engaged with the screw shaft (7). The screw shaft (7) is movable in the axial direction. The first permanent magnets (3) are arrayed along the circumferential direction around the screw shaft (7). The second permanent magnets (4) are disposed between the first permanent magnets (3), leaving gaps with the first permanent magnets (3), and dispositions of magnetic poles are inverted between the first permanent magnets (3) and the second permanent magnets (4). The magnet holding member (2) holds the first permanent magnets (3) and the second permanent magnets (4). The conductive member (5) opposes the first permanent magnets (3) and the second permanent magnets (4), leaving gaps with the first permanent magnets (3) and the second permanent magnets (4). The ball nut (6) is disposed in the magnet holding member (2) and the conductive member (5), and is fixed to the magnet holding member (2) or the conductive member (5).

Classes IPC  ?

• F16F 15/03 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens électromagnétiques

Abrégé

Provided are a steel sheet for carburization that demonstrates even superior ultimate ductility prior to carburization, and a production method therefor. This steel sheet contains, in mass%, 0.02% to less than 0.30% C, 0.005% to less than 0.5% Si, 0.01% to less than 3.0% Mn, no more than 0.1% P, no more than 0.1% S, 0.0002% to 3.0% sol.Al, and no more than 0.2% N, with the remainder comprising Fe and impurities. The average value of the ratios of X-ray diffraction intensity in a random sample of the {100}<011> to {223}<110> orientation group of ferrite grains is no higher than 7.0. The average circle equivalent diameter of carbides is no larger than 5.0 μm. The proportion of the number of carbides with an aspect ratio of no higher than 2.0 is at least 80% relative to all of the carbides, and the proportion of the number of carbides present within the ferrite grains is at least 60% relative to all of the carbides.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 1/06 - Durcissement de surface
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

Provided are a steel sheet for carburizing having excellent ductility, and a production method therefor. This steel sheet contains, by mass%, 0.02% to less than 0.30% C, 0.005% to less than 0.5% Si, 0.01% to less than 3.0% Mn, not more than 0.1% P, not more than 0.1% S, 0.0002% to 3.0% sol. Al, not more than 0.2% N, and 0.010% to 0.150% Ti, with the remainder comprising Fe and impurities. The number of carbides per 1,000 μm2 is not more than 100. The percentage of carbides having an aspect ratio of 2.0 or less is 10% or more relative to all carbides. The average circle equivalent diameter of the carbides is not more than 5.0 μm, and the average crystal grain size of ferrite is not more than 10.0 μm.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 1/06 - Durcissement de surface
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

An inspection apparatus (800) reduces the signal intensity of a low-frequency component included in chronological data for the measured value of longitudinal force and generates chronological data for a high-frequency component of the longitudinal force. The inspection apparatus (800) calculates the amount of deviation in line on the basis of the chronological data for the high-frequency component of the longitudinal force.

Classes IPC  ?

• B61K 9/08 - Installations de mesure pour surveiller la voie
• G01B 21/00 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative

Abrégé

A titanium sheet wherein: the chemical components are, in mass%, Cu: 0.70-1.50%, Cr: 0-0.40%, Mn: 0-0.50%, Si: 0.10-0.30%, O: 0-0.10%, Fe: 0-0.06%, N: 0-0.03%, C: 0-0.08%, H: 0.0.013%, elements other than the above and Ti: 0-0.1% each with the total sum thereof being 0.3% or less, and the balance being Ti; the A value defined by equation (1) is 1.15-2.5 mass%; and in the metal structure thereof, the area fraction of α phases is at least 95%, the area fraction of β phases is 5% or less, the area fraction of intermetallic compounds is 1% or less, and the average crystal grain diameter D (µm) of the α phases is 20-70 µm and satisfies expression (2).

Classes IPC  ?

• C22C 14/00 - Alliages à base de titane

Abrégé

[Problem] To improve, with high mass efficiency, an energy absorbing amount at the time of a load input. [Solution] This hollow member is provided with: a hollow metal member which has a bending induction part in a portion thereof in the longitudinal direction; and a resin member which is made from a resin having a Young's modulus of at least 20 MPa and which is disposed at the bending induction part so as to be in close contact with the metal member.

Classes IPC  ?

• B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
• B62D 25/00 - Sous-ensembles de carrosserieÉléments ou détails de ceux-ci non prévus ailleurs
• F16S 3/00 - Éléments allongés, p. ex. éléments profilésLeurs assemblagesArmatures ou grilles

Abrégé

[Problem] To implement, with high mass efficiency, absorption of energy at the time of a load input. [Solution] This hollow member is provided with: a hollow metal member which has a bending induction part in a portion thereof in the longitudinal direction; and resin members which are disposed on both sides, in the longitudinal direction, of the bending induction part so as to be in close contact with the metal member, and which are disposed within at least a portion of the range of less than five sixths of the cross sectional height of the metal member so as to each extend from an end of the bending induction part toward the outside in the longitudinal direction, wherein the amount of the resin members on the outer side of the bending induction part is larger, per longitudinal length, than that of the resin members on the inner side of the bending induction part.

Classes IPC  ?

• B62D 21/15 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée comportant des moyens amortisseurs de chocs, p. ex. châssis conçus pour changer de forme ou de dimensions d'une façon définitive ou temporaire à la suite d'une collision avec un autre corps
• B62D 25/00 - Sous-ensembles de carrosserieÉléments ou détails de ceux-ci non prévus ailleurs
• F16S 3/00 - Éléments allongés, p. ex. éléments profilésLeurs assemblagesArmatures ou grilles

Abrégé

A titanium alloy member characterized by comprising, in percent by mass, 1.0-8.0% of Al, 0.10-0.40% of Fe, 0.00-0.30% of O, 0.00-0.10% of C, 0.00-0.20% of Sn, and 0.00-0.15% of Si, the balance being Ti and unavoidable impurities; the average grain size of α-phase crystal grains being 15.0 μm or less, the average aspect ratio of the α-phase crystal grains being 1.0-3.0 (inclusive), and the variation coefficient of the number density of β-phase crystal grains distributed in the α phase being 0.30 or less.

Classes IPC  ?

• C22C 14/00 - Alliages à base de titane
• C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
• C22F 1/18 - Métaux réfractaires ou à point de fusion élevé ou leurs alliages

Abrégé

22 + as an ion source.

Classes IPC  ?

• F16L 15/04 - Raccords avec filetageFormes des filetages pour ces raccords avec des joints d'étanchéité supplémentaires
• C25D 5/26 - Dépôt sur des surfaces métalliques auxquelles un revêtement ne peut être facilement appliqué sur des surfaces de fer ou d'acier
• C25D 5/36 - Prétraitement des surfaces métalliques à revêtir de métaux par voie électrolytique de fer ou d'acier
• C25D 7/04 - TubesAnneauxCorps creux
• F16L 15/00 - Raccords avec filetageFormes des filetages pour ces raccords
• F16L 58/08 - Revêtements caractérisés par les matériaux utilisés de métal

Abrégé

This alloy plate has a predetermined chemical composition, the Ti/Al ratio of Ti and Al in atomic% thereof is 0.001-0.100, the metallographic structure thereof includes an austenite phase as a parent phase and a fine second phase having an equivalent circle diameter of 150 nm or less, the surface area of the fine second phase in the metallographic structure being 0 to 8%, and the average value of the aspect ratio L1/L2 being more than 3.0 and no more than 10, where L1 is the length of the long axis and L2 is the length of the short axis of crystal grains of the austenite phase.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 19/05 - Alliages à base de nickel ou de cobalt, seuls ou ensemble à base de nickel avec du chrome
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• F16J 15/08 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre exclusivement par garniture métallique
• C22F 1/00 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid
• C22F 1/10 - Modification de la structure physique des métaux ou alliages non ferreux par traitement thermique ou par travail à chaud ou à froid du nickel ou du cobalt ou de leurs alliages

Abrégé

waterslagslag: slag discharge rate for two minutes after start of deslagging (kg/min.).

Classes IPC  ?

• C21C 5/28 - Fabrication d'acier dans des convertisseurs
• C21C 1/02 - Déphosphoration ou désulfuration
• C21C 1/04 - Élimination des impuretés autres que le carbone, le phosphore ou le soufre

Abrégé

[Problem] To accurately estimate the phosphorus concentration in molten steel during a decarburization treatment. [Solution] The present invention provides a method for estimating the phosphorus concentration in molten steel during a decarburization treatment by a converter when not carrying out a dephosphorization treatment prior to the decarburization treatment or when carrying out dephosphorization treatment using different equipment from the converter used in the decarburization treatment. The method includes: an exhaust gas data acquisition step of acquiring exhaust gas components and an exhaust gas flow rate; a molten steel data acquisition step of acquiring the molten steel temperature and carbon concentration of the molten steel by means of sub-lance measurement; and a phosphorus concentration estimation step of calculating a dephosphorization rate constant using data pertaining to decarburization oxygen efficiency obtained on the basis of the exhaust gas components and the exhaust gas flow rate, data pertaining to the exhaust gas components, the exhaust gas flow rate, the molten steel temperature, and the carbon concentration, and operation conditions pertaining to the decarburization treatment, and using the calculated dephosphorization rate constant and the phosphorus concentration in the molten steel at the start of the decarburization treatment to estimate the phosphorus concentration in molten steel after the sub-lance measurement.

Classes IPC  ?

• C21C 5/28 - Fabrication d'acier dans des convertisseurs
• C21C 5/46 - Parties constitutives ou accessoires

Abrégé

This method for setting a rolling mill having at least four stages each provided with a plurality of rolls including at least a pair of work rolls and a pair of back-up rolls supporting the work rolls includes: before adjustment of a reduction position zero point or before the start of rolling, a thrust reaction force measuring step of measuring a thrust reaction force in a roll body length direction acting at least on a roll other than the back-up rolls, taking any one roll from among the rolls aligned in the reduction direction as a reference roll; and a roll chock position adjusting step of adjusting the position of a roll chock by moving the roll chock of a roll other than the reference roll in the rolling direction of the rolling stock, with the rolling direction position of the roll chock of the reference roll fixed as a reference position, in such a way that the measured thrust reaction force lies within a permissible range.

Classes IPC  ?

• B21B 31/16 - Réglage des cylindres
• B21B 13/14 - Cages de laminoirs, c.-à-d. ensembles composés d'un châssis, de cylindres et d’accessoires ayant des dispositifs de contre-pression agissant sur les cylindres pour les empêcher de ployer sous l'effort
• B21B 37/00 - Dispositifs ou procédés de commande spécialement adaptés aux laminoirs ou aux produits laminés
• B21B 37/58 - Commande de la force de laminageCommande de l'écartement des cylindres
• B21B 37/68 - Commande de la cambrure ou de la direction des bandes, des feuilles ou des tôles, p. ex. prévention des méandres

Abrégé

This manufacturing method includes: a first preparatory shaping step of obtaining an initial rough forging from a billet; a second preparatory shaping step of obtaining a final rough forging from the initial rough forging; and a finish forging step of shaping the final rough forging to the finished dimensions of the forged crankshaft by means of at least one die forging. In the first preparatory shaping step, a part that is to become a second pin portion is decentered while a plurality of flat portions are formed. The second preparatory shaping step includes: a step of using a pair of second dies to depress parts that are to become a plurality of journal portions, with the width direction of the flat portions arranged in the depressing direction; and a step of using a third die, after the depression using the second dies has begun, to decenter a part that is to become a first pin portion, disposed in a first position, and a part that is to become a third pin portion, disposed in a third position, in mutually opposite directions, with the width direction of the flat portions arranged in the decentering direction.

Classes IPC  ?

• B21K 1/08 - Fabrication d'éléments de machines d'arbres de vilebrequins
• B21J 5/02 - MatriçageÉbarbage par utilisation de matrices particulières
• F16C 3/06 - Vilebrequins

Abrégé

This manufacturing method includes: a first preparatory shaping step of obtaining an initial rough forging from a billet; a second preparatory shaping step of obtaining a final rough forging from the initial rough forging; and a finish forging step of shaping the final rough forging to the finished dimensions of the forged crankshaft by means of at least one die forging. In the first preparatory shaping step, a plurality of flat portions are formed by depressing pin-corresponding portions and journal-corresponding portions from a direction perpendicular to the axial direction of the billet. The second preparatory shaping step includes: a step of using a pair of first dies to depress parts that are to become a plurality of journal portions, with the width direction of the flat portions arranged in the depressing direction; and a step of using a second die, after the depression using the first dies has begun, to decenter parts that are to become a plurality of pin portions, with the width direction of the flat portions arranged in the decentering direction. In the final rough forging, the thickness of parts that are to become a plurality of crank arm portions is the same as the finished dimension thickness.

Classes IPC  ?

• B21K 1/08 - Fabrication d'éléments de machines d'arbres de vilebrequins
• B21J 5/02 - MatriçageÉbarbage par utilisation de matrices particulières
• F16C 3/06 - Vilebrequins

Abrégé

000, given a cross section including the center axis of a lance and bisecting a boundary plane between a flow path of a lance inner tube and a nozzle hole, is the length of a line segment which passes through the most downstream point of the lance on the boundary plane and traverses the nozzle hole on a straight line perpendicular to the lance center axis, and L is the length of said traversing line segment when projected within the range of the flow path of the lance inner tube on a horizontal cross section taken perpendicular to the lance center axis.

Classes IPC  ?

• C21C 5/46 - Parties constitutives ou accessoires
• C21C 5/35 - Soufflage par le dessus et à travers le bain

Abrégé

Provided is a steel material for a carburized bearing component such that excellent toughness, surface-initiated spalling life, and wear resistance are exhibited. The steel material for the carburized bearing component according to the present invention contains, in terms of mass%, C: 0.25-0.45%, Si: 0.15-0.45%, Mn: 0.40-1.50%, P: 0.015% or less, S: 0.005% or less, Cr: 0.60-2.00%, Mo: 0.10-0.35%, V: 0.20-0.40%, Al: 0.005-0.100%, Ca: 0.0002-0.0010%, N: 0.0300% or less, O: 0.0015% or less, and the balance Fe and impurities, and said steel material satisfies expressions (1) through (3). (1) 1.20 < 0.4 Cr + 0.4 Mo + 4.5V < 2.75, (2) A1/A2 > 0.50, and (3) 2.7 C + 0.4 Si + Mn + 0.45 Ni + 0.8 Cr + Mo + V > 2.55, where expression (2) indicates the area ratio of sulfides containing 1 mol% or more of Ca among sulfides having a circle equivalent diameter of 1 μm or larger.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 1/06 - Durcissement de surface
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
• C23C 8/22 - Carburation de la couche superficielle de matériaux ferreux

Abrégé

Provided is a vehicular bumper beam that is lightweight and highly strong. A vehicular bumper beam (1) is provided with a first member (2) and a second member (3). The first member (2) includes a first top plate part (5), two first vertical wall parts (6), and two first flange parts (7). The first top plate part (5) is flat in a cross-section perpendicular to the longitudinal direction. The second member (2) includes a second top plate part (4), two second vertical wall parts (8), and two second flange parts (9a, 9b). The second top plate part (4) has a protrusion (20) that protrudes in the direction opposite the first top plate part (5). The two second vertical wall parts (8) are connected to both side portions (4a, 4b) of the second top plate part (4), respectively. The two second vertical wall parts (8) are disposed inside the first member (2) so as to respectively face the first wall parts (6) from a close distance. The two second flange parts (9a, 9b) are connected to the two vertical wall parts (8), respectively, and disposed joined to the first flange parts (7), respectively.

Classes IPC  ?

• B60R 19/04 - Pare-chocs, c.-à-d. éléments pour recevoir ou absorber les chocs pour protéger les véhicules ou dévier les chocs provenant d'autres véhicules ou objets formés de plusieurs sections

Abrégé

This lap fillet arc welding joint is provided with: a first steel plate and a second steel plate which overlap each other and each of which has a tensile strength of at least 950 MPa; and a weld metal extending along a corner that is formed by the surface of the first steel plate and an end surface of the second steel plate, wherein when β is the toe angle of the weld metal, NA is the total number of recesses present on the surface of the weld metal within a range of 0.4 mm from a melting boundary, and among such recesses, NB is the number of recesses in contact with ferrite particles having a maximum particle diameter of at least 10 μm, the weld metal satisfies both of the following conditional equations (1) and (2): 0°<β<30°…(1) NB/NA≤0.70…(2) (where, NA is at least 20)

Classes IPC  ?

• B23K 9/02 - Soudage de joints continusSupportsPièces rapportées
• B23K 9/23 - Soudage ou découpage à l'arc tenant compte des propriétés des matériaux à souder
• B23K 35/30 - Emploi de matériaux spécifiés pour le soudage ou le brasage dont le principal constituant fond à moins de 1550 C
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium

Abrégé

A steel pipe sheet pile (20) includes a steel pipe body (21), and a linking member (22) that extends in the lengthwise direction of the steel pipe body (21). The linking member (22) demarcates a hollow portion (221) that extends in the lengthwise direction, and a slit (222) that extends in the lengthwise direction and forms a boundary plane (222S) between the hollow portion (221) and the outside. At a cross-section perpendicular to the lengthwise direction, the boundary plane (222S) is inclined in relation to a perpendicular line (221E) that is perpendicular to a direction (221D) extending from the center (221C) of the hollow portion (221), through the center of the slit (222), and towards the outside.

Classes IPC  ?

• E02D 5/08 - Éléments de fermetureJoints d'angleCroisillons pour pieuxPièces de jonction

Abrégé

A hot rolled steel sheet according to an embodiment of the present invention is configured such that: the hot rolled steel sheet has prescribed chemical components; the metal structure in a center position in the sheet width at 1/4 the depth of sheet thickness is formed of 90% by volume or greater martensite with the remaining structure being 0 – 10% by volume; the remaining structure is either one or both of bainite or ferrite; the average length of crystal grains in direction L is 0.2 – 5.0 µm, the average length of crystal grains in direction C is 0.1 – 5.0 µm, and the ratio of C direction grain lengths, which are the average lengths for the crystal grains in the direction C, to the L direction grain lengths, which are the average length for crystal grains in the direction L, is 0.2 ≤ C direction grain lengths/L direction grain lengths ≤ 5.0; and tensile strength is 1180 MPa or greater.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/16 - Alliages ferreux, p. ex. aciers alliés contenant du cuivre
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

The present invention has: an acquisition means that acquires measurement data pertaining to periodic movement of a physical object that performs periodic movements; a determination means that determines a revision coefficient, which is a coefficient in a revised autoregressive model, on the basis of the measurement data acquired by the acquisition means; and a diagnosis unit that diagnoses an abnormality in the physical object on the basis of the revision coefficient determined by the determination means. The revised autoregressive model is a formula for deriving a prediction value of the measurement data on the basis of the measurement data pertaining to the periodic movement of the physical object and the revision coefficient for the measurement data. The determination means determines the revision coefficient on the basis of eigenvalues of an autocorrelation matrix derived from the measurement data, the eigenvalues being derived by performing singular value decomposition on the autocorrelation matrix.

Classes IPC  ?

• G01M 13/04 - Roulements
• G01H 17/00 - Mesure des vibrations mécaniques ou des ondes ultrasonores, sonores ou infrasonores non prévue dans les autres groupes de la présente sous-classe

Abrégé

MAXMINMINMIN or less than 0.04%; and the metal structure has an equivalent circle average crystal grain diameter that is 10 mm or less, and equal to or less than half the thickness, in a central portion along the thickness direction of the titanium block. This titanium block can be produced inexpensively.

Classes IPC  ?

• C22B 34/12 - Obtention du titane

Abrégé

Provided is a zinc hot-dipped steel sheet having a zinc hot-dipped layer on at least one side of the parent material steel sheet, characterized in that: the Fe content of the zinc hot-dipped layer exceeds 0% but does not exceed 3.0%, and Al content exceeds 0% but does not exceed 1.0%; the zinc hot-dipped steel sheet has an Fe-Al alloy layer at the interface between the zinc hot-dipped layer and the parent material steel sheet; the thickness of the Fe-Al alloy layer is 0.1-2.0 µm; the difference between the maximum and minimum values for the thickness of the Fe-Al alloy layer in the width direction of the parent material steel sheet is within 0.5 µm; within the parent material steel sheet there is a refined layer which is in direct contact with the Fe-Al alloy layer; the average thickness of the refined layer is 0.1 µm to 5.0 µm, the average particle size of the ferrite phase within the refined layer is 0.1 µm to 3.0 µm; the refined layer contains or more types of oxides of Si and Mn; the maximum diameter of the oxides is 0.01 µm to 0.4 µm; and the difference between the maximum and minimum values for the thickness of the refined layer in the width direction of the parent material steel sheet is within 2.0 µm.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/40 - PlaquesBandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles

Abrégé

In the range of 1/8 to 3/8 of the thickness, centering on 1/4 of the thickness, from the surface of a parent material steel sheet, the ferrite phase has a volume fraction of 50% to 97%, the total of hard structures comprising one or more of the bainite phase, bainitic ferrite phase, fresh martensite phase and tempered martensite phase accounts for a volume fraction of at least 3%, retained austenite phase accounts for a volume fraction of 0% to 8%, the total of pearlite phase and coarse cementite phase accounts for a volume fraction of 0% to 8%, and at the interface between the zinc hot-dipped layer and the parent material steel sheet, there is an Fe-Al alloy layer having an average thickness of 0.1 µm to 2.0 µm and a difference between the maximum and minimum thickness in the steel sheet width direction of within 0.5 µm, and in a refined layer which is in direct contact with the Fe-Al alloy layer, the difference between the maximum and minimum thickness of the refined layer in the steel sheet width direction is within 2.0 µm.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/40 - PlaquesBandes

Abrégé

In a specific thickness range centering on ¼ of the thickness from the surface of the parent material steel sheet, the ferrite phase has a volume fraction of 0% to less than 50%, the total of hard structures comprising one or more of bainite structure, bainitic ferrite phase, fresh martensite phase and tempered martensite phase has a volume fraction of at least 50%, retained austenite phase has a volume fraction of 0% to 8%, the total of pearlite phase and coarse cementite phase has a volume fraction of 0% to 8%, and at the interface between the plated layer and the parent material steel sheet, there is an Fe-Al alloy layer having an average thickness of 0.1-2.0 µm, and a difference between the maximum thickness and minimum thickness in the steel plate width direction of within 0.5 µm. In a refined layer which is in direct contact with the Fe-Al alloy layer, the difference between the maximum thickness and minimum thickness of the refined layer in the width direction of the steel plate is within 2.0 µm.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C23C 2/06 - Zinc ou cadmium ou leurs alliages
• C23C 2/40 - PlaquesBandes

Abrégé

33 phase having a Si content of 0-5.0 at% and a δ phase having a Si content of 0-5.0 at%; one or two selected from the group consisting of an ε phase having a Si content of 0-5.0 at% and an η' phase having a Si content of 0-5.0 at%; and a SiOx phase (x = 0.50 to 1.70). The alloy particles exhibit a peak having the greatest integrated diffraction intensity at a diffraction angle 2θ in the range of 42.0-44.0 degrees in an X-ray diffraction profile. The half-width of the peak is 0.15-2.5 degrees.

Classes IPC  ?

• H01M 4/38 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'éléments simples ou d'alliages
• B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
• C01B 33/06 - Siliciures métalliques
• C01B 33/113 - Oxydes de siliciumLeurs hydrates
• C22C 9/00 - Alliages à base de cuivre
• C22C 9/02 - Alliages à base de cuivre avec l'étain comme second constituant majeur
• C22C 13/00 - Alliages à base d'étain
• H01M 4/36 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs
• H01M 4/48 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques

Abrégé

Provided is a non-oriented electromagnetic steel plate that contains, in the chemical composition thereof in terms of % by mass, 0.0015%-0.0040% C, 3.5%-4.5% Si, 0.65% or less Al, 0.2%-2.0% Mn, 0%-0.20% Sn, 0%-0.20% Sb, 0.005%-0.150% P, 0.0001%-0.0030% S, 0.0030% or less Ti, 0.0050% or less Nb, 0.0030% or less Zr, 0.030% or less Mo, 0.0030% or less V, 0.0010%-0.0030% N, 0.0010%-0.0500% O, less than 0.10% Cu, and less than 0.50% Ni, wherein the remnant consists of Fe and impurities, the product plate thickness is 0.10 mm-0.30 mm, the average crystal grain size is 10 μm-40 μm, the iron loss W10/800 is 50 W/kg or less, the tensile strength is 580 MPa-700 MPa, and the yield ratio is 0.82 or greater.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• H01F 1/147 - Alliages caractérisés par leur composition
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

Provided are: a raceway member that is used for a bearing that rotatably supports a rotary shaft rotating about the axial line thereof, and that is characterized by being provided with, on a raceway surface, a layer containing diamond-like carbon in which the proportion of diamond bonds is at least 70%; and a bearing that rotatably supports a rotary shaft rotating about the axial line, and that is characterized by being provided with a first raceway member having a first raceway formed coaxially with the axial line, a second raceway member having a second raceway formed coaxially with the axial line, and a plurality of rolling elements that are disposed between the first raceway and the second raceway, and that are capable of rolling along the first raceway and the second raceway, wherein a layer containing diamond-like carbon in which the proportion of diamond bonds is at least 70% is provided on the raceway surface of the first raceway and/or the second raceway.

Classes IPC  ?

• F16C 33/64 - Procédés particuliers de fabrication
• C23C 26/00 - Revêtements non prévus par les groupes
• F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
• F16C 19/10 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges axiales principalement
• F16C 19/16 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec une seule rangée de billes
• F16C 33/66 - Pièces ou détails particuliers pour la lubrification

Abrégé

This method for manufacturing a steel H-beam comprises a rough rolling step, an intermediate rolling step, and a finishing rolling step. A rolling machine that performs the rough rolling step is provided with a plurality of grooves that shape a to-be-rolled material. The plurality of grooves include: one or a plurality of dividing grooves in which protrusions are formed that cause a divided part to be formed in an end portion of the to-be-rolled material by forming a cut in a direction perpendicular to the width direction of the to-be-rolled material; and a plurality of bending grooves in which protrusions are formed that contact the cut and sequentially bend the divided part formed at the dividing groove. The protrusion formed in a final dividing groove among the dividing grooves is constituted by a tapered tip part having a prescribed tip angle and a base part located at the base of the tip part and having a tapered shape with a gentler slope than the tip part.

Classes IPC  ?

• B21B 1/08 - Méthodes de laminage ou laminoirs pour la fabrication des produits semi-finis de section pleine ou de profilésSéquence des opérations dans les trains de laminoirsInstallation d'une usine de laminage, p. ex. groupement de cagesSuccession des passes ou des alternances de passes pour laminer des pièces de section particulière, p. ex. des cornières
• B21B 27/02 - Forme ou structure des cylindres

Abrégé

This oriented electromagnetic steel plate is provided with a base material steel sheet, an intermediate layer arranged in contact with the base material steel sheet, and an insulating film arranged in contact with the intermediate layer so as to become the topmost surface. Viewed on a cut surface in which the cutting direction is parallel to the plate thickness direction, the intermediate layer has selective oxidation regions, and the thickness of the intermediate layer in the regions where selective oxidation regions are present is greater than or equal to 50 nm, and the thickness of the intermediate layer in regions where selective oxidation regions are not present is less than 50 nm.

Classes IPC  ?

• C23C 28/04 - Revêtements uniquement de matériaux inorganiques non métalliques
• C23C 8/14 - Oxydation de la couche superficielle de matériaux ferreux
• C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
• H01F 1/147 - Alliages caractérisés par leur composition
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

This oriented electromagnetic steel sheet has: a base metal steel sheet; a middle layer disposed over and in contact with the base metal steel sheet; and an insulation film disposed over and in contact with the middle layer and serving as the top surface layer. The insulation film has an average Cr concentration of 0.1 at% or higher. In a cross section of the steel sheet, where the cutting direction is parallel to the direction of thickness, a compound layer having crystalline phosphide is observed in the region where the insulation film is in contact with the top of the middle layer.

Classes IPC  ?

• C23C 28/04 - Revêtements uniquement de matériaux inorganiques non métalliques
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C23C 8/18 - Oxydation de la couche superficielle de matériaux ferreux
• C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
• H01F 1/147 - Alliages caractérisés par leur composition
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

This oriented electromagnetic steel plate comprises a steel plate and an amorphous oxide film formed on the steel plate. As the chemical composition, the steel plate contains, in mass %, less than or equal to 0.085% C, 0.80-7.00% Si, less than or equal to 1.50% Mn, less than or equal to 0.065% acid soluble Al, less than or equal to 0.013% S, 0-0.80% Cu, 0-0.012% N, 0-0.50% P, 0-1.00% Ni, 0-0.30% Sn and 0-0.30% Sb, the remainder consisting of Fe and impurities, and the NSIC value of the surface, which is the value obtained by measuring the image clarity of the surface with an image clarity measurement device, is greater than or equal to 4.0%.

Classes IPC  ?

• C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• H01F 1/147 - Alliages caractérisés par leur composition

Abrégé

This oriented electromagnetic steel plate is provided with a base material steel sheet, an intermediate layer arranged in contact with the base material steel sheet, and an insulating film arranged in contact with the intermediate layer so as to become the topmost surface. Viewed on a cut surface in which the cutting direction is parallel to the plate thickness direction, the insulating film has a crystalline phosphide-containing layer that contains crystalline phosphides in a region in contact with the intermediate layer.

Classes IPC  ?

• C23C 28/04 - Revêtements uniquement de matériaux inorganiques non métalliques
• C23C 8/10 - Oxydation
• C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
• H01F 1/147 - Alliages caractérisés par leur composition
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

This internal combustion engine piston comprises: a steel first member; and an aluminum alloy second member that is bonded to the first member via an annular bonding layer. The bonding layer is 1.0–20.0 μm thick on both the inner circumferential side and the outer circumferential side thereof.

Classes IPC  ?

• F02F 3/00 - Pistons
• B23K 20/12 - Soudage non électrique par percussion ou par une autre forme de pression, avec ou sans chauffage, p. ex. revêtement ou placage la chaleur étant produite par frictionSoudage par friction
• F16J 1/01 - PistonsPistons à fourreauPlongeurs caractérisés par l'emploi de matériaux particuliers

Abrégé

This oriented electromagnetic steel sheet comprises a steel sheet 1, an intermediate layer 4 arranged on the steel sheet and containing Si and O, and an insulation film 3 arranged on the intermediate layer, wherein the intermediate layer 4 contains metal phosphide 5, the thickness of the intermediate layer 4 is greater than or equal to 4 nm, and, in a cross-section of the intermediate layer 4, the amount of the metal phosphide 5 is 1-30% in cross-sectional area percentage.

Classes IPC  ?

• C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
• H01F 1/147 - Alliages caractérisés par leur composition
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre

Abrégé

2and a tension insulating film formed on the oxide film. As chemical components, the base material steel sheet contains, by mass percent, less than or equal to 0.085% C, 0.80-7.00% Si, less than or equal to 1.00% Mn, less than or equal to 0.065% acid soluble Al, and less than or equal to 0.050% of the Seq represented by S+0.406*Se, the remainder consisting of Fe and unavoidable impurities. Regarding the FWHMs, i.e., the half-value widths of the peaks of cristobalite-type aluminum phosphate obtained by X-ray diffraction, (i) the half-value width (FWHM-Co) of the peak appearing at 2θ = 24.8° when using a Co-Kα excitation source is less than or equal to 2.5 degrees, or, (ii) the half-value width (FWHM-Cu) of the peak appearing at 2θ = 21.3° when using a Cu-Kα excitation source is less than or equal to 2.1 degrees.

Classes IPC  ?

• C23C 28/04 - Revêtements uniquement de matériaux inorganiques non métalliques
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• C23C 8/14 - Oxydation de la couche superficielle de matériaux ferreux
• C23C 26/00 - Revêtements non prévus par les groupes
• H01F 1/147 - Alliages caractérisés par leur composition

Abrégé

22, and a tension insulation film formed on the oxide film. As the chemical composition, the steel plate contains, in mass %, less than or equal to 0.085% C, 0.80-7.00% Si, less than or equal to 1.00% Mn, less than or equal to 0.065% acid soluble Al, less than or equal to 0.013% S, 0-0.80% Cu, 0-0.012% N, 0-0.50% P, 0-1.00% Ni, 0-0.30% Sn and 0-0.30% Sb, the remainder consisting of Fe and impurities, wherein the tension insulation film contains a chrome compound, and the amount of Fe in the oxide film and the tension insulation film is 70-250mg/m2.

Classes IPC  ?

• C23C 22/00 - Traitement chimique de surface de matériaux métalliques par réaction de la surface avec un milieu réactif laissant des produits de réaction du matériau de la surface dans le revêtement, p. ex. revêtement par conversion, passivation des métaux
• C21D 8/12 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication d'objets à propriétés électromagnétiques particulières
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/60 - Alliages ferreux, p. ex. aciers alliés contenant du plomb, du sélénium, du tellure, de l'antimoine, ou plus de 0,04% en poids de soufre
• H01F 1/147 - Alliages caractérisés par leur composition

Abrégé

The hot-rolled steel sheet according to one embodiment of the present invention is configured such that: the steel sheet has a prescribed chemical composition; at a depth position 1/4 of the sheet thickness from the surface, the area ratio of ferrite is 10–55%; the total area ratio of bainite and martensite is 45–90%; the total area ratio of the ferrite, the bainite and the martensite is at least 90%; and the average crystal grain diameter is 12.0 µm or less. In the texture measured at a section that is central in the sheet thickness direction, the maximum pole density in the {100} <011>, {211} <011>, {311} <011>, {110} <011>, and {332} <113> orientation groups is 8.0 or less and the total pole density of {211} <011> and {332} <113> is 10.0 or less, and the tensile strength is at least 950 MPa.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 8/02 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de produits plats ou de bandes
• C21D 9/46 - Traitement thermique, p. ex. recuit, durcissement, trempe ou revenu, adapté à des objets particuliersFours à cet effet pour tôles
• C22C 38/14 - Alliages ferreux, p. ex. aciers alliés contenant du titane ou du zirconium
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse

Abrégé

25223252522 content) is greater than 1.5 and no greater than 2.2, and the bulk specific gravity is 2.3-3.2, inclusive.

Classes IPC  ?

• C05D 3/04 - Engrais calciques à partir de scories de hauts fourneaux ou d'autres laitiers contenant de la chaux ou des silicates de calcium
• C05D 9/02 - Autres engrais inorganiques contenant des éléments à l'état de traces
• C21C 1/02 - Déphosphoration ou désulfuration
• C21C 5/28 - Fabrication d'acier dans des convertisseurs

Abrégé

2522325255 is at least 50%, the proportion of soluble MnO in the MnO is at least 80%, the slag basicity is greater than 1.5 and no greater than 2.2, and the bulk specific gravity is 1.9-2.8, inclusive.

Classes IPC  ?

• C05D 3/04 - Engrais calciques à partir de scories de hauts fourneaux ou d'autres laitiers contenant de la chaux ou des silicates de calcium
• C05D 9/02 - Autres engrais inorganiques contenant des éléments à l'état de traces
• C21C 1/02 - Déphosphoration ou désulfuration
• C21C 5/28 - Fabrication d'acier dans des convertisseurs

Abrégé

A high-strength steel wire comprising a predetermined material composition, wherein: in a cross-section including a central axis of the steel wire and parallel to the central axis, the area ratio of pearlite structures in the steel wire is 90% or greater, the area ratio of pearlite structures in a surface layer part of the steel wire is 80% or greater, and from among the structures over the whole of the steel wire, the area ratio of lamellar pearlite structures with an average cementite length of 1.0 µm or larger is 30% to 65%, and the area ratio of fragmented pearlite structures with an average cementite length of 0.30 µm or smaller is 20% to 50%; and the steel wire has a tensile strength of 1,960 MPa or greater.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C22C 38/54 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et du bore
• C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils

Abrégé

A solid polymer-type fuel cell catalyst carrier which satisfies the following requirements (A), (B), (C), and (D), a method for manufacturing the same, a catalyst layer for a solid polymer-type fuel cell, and a fuel cell. (A) The specific surface area according to a BET analysis of a nitrogen adsorption isotherm is 450 to 1500 m200.47-0.9close00 at which the hysteresis loop is closed is more than 0.47 to 0.70. (D) The half-value width of G-band detected in a range of 1500 to 1700 cm-1according to Raman spectrometry is 45 to 75 cm-1.

Classes IPC  ?

• H01M 4/96 - Électrodes à base de carbone
• H01M 4/86 - Électrodes inertes ayant une activité catalytique, p. ex. pour piles à combustible
• H01M 4/88 - Procédés de fabrication
• H01M 8/10 - Éléments à combustible avec électrolytes solides

Abrégé

Provided is a high-strength steel member which has a predetermined chemical composition, and a tensile strength of at least 1000 Mpa, and which contains: at least 0.10% by area of at least one Ti precipitate which has an average circle equivalent diameter of 30-200 nm at a position of 1 mm deep from the surface of the steel member, and is selected from the group consisting of Ti carbides, Ti nitrides and composite compounds thereof; and at least 0.5 mass ppm of non-diffusible hydrogen, in hydrogen temperature-programmed desorption analysis, released in a temperature range of 400-800°C.

Classes IPC  ?

• C22C 38/00 - Alliages ferreux, p. ex. aciers alliés
• C21D 1/06 - Durcissement de surface
• C22C 38/38 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et plus de 1,5% en poids de manganèse
• C22C 38/58 - Alliages ferreux, p. ex. aciers alliés contenant du chrome et du nickel et plus de 1,5% en poids de manganèse
• C21D 8/06 - Modification des propriétés physiques par déformation en combinaison avec, ou suivie par, un traitement thermique pendant la fabrication de barres ou de fils