An anti-warping layer and systems and methods for employing such. The anti-warping layer having a mobile and/or lubricious characteristics configured to reduce warpage of a fabricated physical object when the fabricated physical object is subjected to volumetric change inducing treatments.
Disclosed is an anti-warping layer and systems and methods for employing the anti-warping layer. The anti-warping layer includes a mobile and/or lubricious characteristics configured to reduce warpage of a fabricated physical object when the fabricated physical object is subjected to volumetric change inducing treatments. The anti-warping layer can be positioned, for example, between a top surface of a support and a bottom surface of the fabricated physical object.
A method and system for fabrication of physical objects. The method and system configured to modify a three-dimensional (3D) representation of a physical object to, in part, compensate for material shrinkage and material removal, improve surface finish, and decrease feature damage during fabrication of the physical object.
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
G06T 17/20 - Wire-frame description, e.g. polygonalisation or tessellation
B29C 64/379 - Handling of additively manufactured objects, e.g. using robots
B28B 1/48 - Producing shaped articles from the material by removing material from solid section preforms for forming hollow articles, e.g. by punching or boring
B29C 59/02 - Surface shaping, e.g. embossingApparatus therefor by mechanical means, e.g. pressing
B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
A method for fabricating a physical object is disclosed, including receiving a 3D representation of the physical object, modifying the 3d representation of the physical object, determining a fabrication strategy for forming the physical object, generating fabrication instructions for formation of the physical object based upon the step of determining the fabrication strategy, and fabricating the physical object based upon the step of generating fabrication instructions. The method and system is configured to modify a three-dimensional (3D) representation of a physical object to, in part, compensate for material shrinkage and material removal, improve surface finish, and decrease feature damage during fabrication of the physical object.
A material and method are disclosed such that the material can be used to form functional metal pieces by producing an easily sintered layered body of dried metal paste. On a microstructural level, when dried, the metal paste creates a matrix of porous metal scaffold particles with infiltrant metal particles, which are positioned interstitially in the porous scaffold's interstitial voids. For this material to realize mechanical and processing benefits, the infiltrant particles are chosen such that they pack in the porous scaffold piece in a manner which does not significantly degrade the packing of the scaffold particles and so that they can also infiltrate the porous scaffold on heating. The method of using this paste provides a technique with high rate and resolution of metal part production due to a hybrid deposition/removal process.
C09D 5/38 - Paints containing free metal not provided for in groups
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 1/0545 - Dispersions or suspensions of nanosized particles
B22F 1/107 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
B22F 3/24 - After-treatment of workpieces or articles
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers
B22F 10/16 - Formation of a green body by embedding the binder within the powder bed
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
C22F 1/08 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
6.
METHOD AND SYSTEM FOR AUTOMATED TOOLPATH GENERATION
A method for facilitating part fabrication, such as by automated toolpath generation, can include one or more of: receiving a virtual part; modifying the virtual part; and/or determining toolpaths to fabricate the target part. The toolpaths preferably define an ordered series of additive and subtractive toolpaths, more preferably wherein the additive and subtractive toolpaths are interleaved, which can function to achieve high manufacturing efficiency and/or performance. The method can additionally or alternatively include: generating machine instructions based on the toolpaths; fabricating the target part based on the machine instructions; calibrating the fabrication system; and/or any other suitable elements.
A system for additive metal manufacturing, including a deposition mechanism, a translation mechanism mounting the deposition mechanism to the working volume, and a stage. A method for additive metal manufacturing including: selectively depositing a material carrier within the working volume; removing an additive from the material carrier; and treating the resultant material.
B22F 10/16 - Formation of a green body by embedding the binder within the powder bed
B22F 10/31 - Calibration of process steps or apparatus settings, e.g. before or during manufacturing
B22F 10/32 - Process control of the atmosphere, e.g. composition or pressure in a building chamber
B22F 10/39 - Traceability, e.g. incorporating identifier into a workpiece or article
B22F 10/40 - Structures for supporting workpieces or articles during manufacture and removed afterwards
B22F 10/50 - Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturingAuxiliary means for additive manufacturingCombinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/50 - Means for feeding of material, e.g. heads
B22F 12/90 - Means for process control, e.g. cameras or sensors
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
A system for, and method of, printing a three-dimensional (3D) object are presented. The techniques can include obtaining a three-dimensional virtual representation of the object; obtaining first and second 3D printing strategies; obtaining first and second virtual extrusion renderings, wherein the virtual extrusion renderings corresponds to first and second toolpaths for a deposition layer of the object according to the first and second 3D printing strategies; performing first and second comparisons of, respectively, the first and second virtual extrusion renderings to a corresponding portion of the three-dimensional virtual representation of the object; determining, based on the first and second comparisons, respectively, first and second regions of the object that do not intersect the virtual extrusion rendering; providing an output 3D printing strategy for the deposition layer of the object selected from among the first and second 3D printing strategies based on the first and second regions of the object.
A system for, and method of, printing a three-dimensional (3D) object are presented. The techniques can include obtaining a three-dimensional virtual representation of the object; obtaining first and second 3D printing strategies; obtaining first and second virtual extrusion renderings, wherein the virtual extrusion renderings corresponds to first and second toolpaths for a deposition layer of the object according to the first and second 3D printing strategies; performing first and second comparisons of, respectively, the first and second virtual extrusion renderings to a corresponding portion of the three-dimensional virtual representation of the object; determining, based on the first and second comparisons, respectively, first and second regions of the object that do not intersect the virtual extrusion rendering; providing an output 3D printing strategy for the deposition layer of the object selected from among the first and second 3D printing strategies based on the first and second regions of the object.
A method for facilitating part fabrication, such as by automated toolpath generation, can include one or more of: receiving a virtual part; modifying the virtual part; and/or determining toolpaths to fabricate the target part. The toolpaths preferably define an ordered series of additive and subtractive toolpaths, more preferably wherein the additive and subtractive toolpaths are interleaved, which can function to achieve high manufacturing efficiency and/or performance. The method can additionally or alternatively include: generating machine instructions based on the toolpaths; fabricating the target part based on the machine instructions; calibrating the fabrication system; and/or any other suitable elements.
A system for additive metal manufacturing, including a deposition mechanism, a translation mechanism mounting the deposition mechanism to the working volume, and a stage. A method for additive metal manufacturing including: selectively depositing a material carrier within the working volume; removing an additive from the material carrier; and treating the resultant material.
B22F 10/31 - Calibration of process steps or apparatus settings, e.g. before or during manufacturing
B22F 10/32 - Process control of the atmosphere, e.g. composition or pressure in a building chamber
B22F 10/39 - Traceability, e.g. incorporating identifier into a workpiece or article
B22F 10/40 - Structures for supporting workpieces or articles during manufacture and removed afterwards
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturingAuxiliary means for additive manufacturingCombinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/90 - Means for process control, e.g. cameras or sensors
Paste compositions for additive manufacturing and methods for the same are provided. The paste composition may include an organic vehicle, and one or more powders dispersed in the organic vehicle. The organic vehicle may include a solvent, a polymeric binder, a thixotropic additive, and a dispersant. The organic vehicle may be configured to provide the paste composition with a suitable viscosity. The organic vehicle may also be configured to provide a stable paste composition for a predetermined period of time.
A sintering furnace can include an outer shell defining an internal volume a reactive agent inlet configured to introduce a reactive agent into the internal volume; an insulation chamber within the outer shell; and a retort configured to retain an object. A method of operating a sintering furnace can include sintering a part precursor within a retort arranged within a chamber, wherein the chamber defines an intermediate volume between the retort and the chamber, wherein a sintering byproduct is oxidized within the intermediate volume.
F27B 5/04 - Muffle furnacesRetort furnacesOther furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
F27B 5/18 - Arrangement of controlling, monitoring, alarm or like devices
14.
METAL PASTE FOR HYBRID ADDITIVE MANUFACTURING AND METHOD OF 3D PRINTING
Paste compositions for additive manufacturing and methods for the same are provided. The paste composition may include an organic vehicle, and one or more powders dispersed in the organic vehicle. The organic vehicle may include a solvent, a polymeric binder, a thixotropic additive, and a dispersant. The organic vehicle may be configured to provide the paste composition with a suitable viscosity. The organic vehicle may also be configured to provide a stable paste composition for a predetermined period of time.
A method for facilitating part fabrication, such as by automated toolpath generation, can include one or more of: receiving a virtual part; modifying the virtual part; and/or determining toolpaths to fabricate the target part. The toolpaths preferably define an ordered series of additive and subtractive toolpaths, more preferably wherein the additive and subtractive toolpaths are interleaved, which can function to achieve high manufacturing efficiency and/or performance. The method can additionally or alternatively include: generating machine instructions based on the toolpaths; fabricating the target part based on the machine instructions; calibrating the fabrication system; and/or any other suitable elements.
A system for additive metal manufacturing, including a deposition mechanism, a translation mechanism mounting the deposition mechanism to the working volume, and a stage. A method for additive metal manufacturing including: selectively depositing a material carrier within the working volume; removing an additive from the material carrier; and treating the resultant material.
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B33Y 50/02 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturingAuxiliary means for additive manufacturingCombinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B22F 12/90 - Means for process control, e.g. cameras or sensors
B22F 10/31 - Calibration of process steps or apparatus settings, e.g. before or during manufacturing
B22F 10/32 - Process control of the atmosphere, e.g. composition or pressure in a building chamber
B22F 10/39 - Traceability, e.g. incorporating identifier into a workpiece or article
B22F 10/40 - Structures for supporting workpieces or articles during manufacture and removed afterwards
G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
Transformation steps including drying are incorporated into a process of additive manufacturing of a part. Processes and devices for achieving a transformation are described. A cycle of manufacturing is begun by adding a feedstock such as a metal paste to form a partial part followed by a transformation of the added feedstock, such as removing solvent from a metal paste, to form a transformed part suitable for a manipulation step such as machining. Inclusion of a manipulation process such as machining comprises a single cycle of a manufacturing process. One or more said cycles comprise the process of producing a completed part suitable for further processing such as sintering in the case of a metal paste feedstock to form a finished part.
A sintering furnace can include an outer shell defining an internal volume a reactive agent inlet configured to introduce a reactive agent into the internal volume; an insulation chamber within the outer shell; and a retort configured to retain an object. A method of operating a sintering furnace can include sintering a part precursor within a retort arranged within a chamber, wherein the chamber defines an intermediate volume between the retort and the chamber, wherein a sintering byproduct is oxidized within the intermediate volume.
F27B 5/04 - Muffle furnacesRetort furnacesOther furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
F27B 5/18 - Arrangement of controlling, monitoring, alarm or like devices
19.
WASTE COLLECTION AND ABATEMENT DURING HYBRID ADDITIVE AND SUBTRACTIVE MANUFACTURING
An assembly for controlling waste material during a hybrid subtractive and additive manufacturing process is disclosed, including a machining tool held in a holder, a shroud disposed around the machining tool, and one or more ports configured to create a negative pressure within the shroud. A method of constraining waste material during a hybrid subtractive and additive manufacturing process of a part includes adding an amount of material to a part being additively manufactured, transforming the amount of material that was added, manipulating a tool to machine a portion of the part being additively manufactured and generating a waste material, sealing a portion of the tool and covering a portion of the part with a shroud, and applying a negative pressure to create an airflow to prevent the waste material from exiting the shroud.
B22F 12/00 - Apparatus or devices specially adapted for additive manufacturingAuxiliary means for additive manufacturingCombinations of additive manufacturing apparatus or devices with other processing apparatus or devices
B33Y 40/20 - Post-treatment, e.g. curing, coating or polishing
B08B 5/04 - Cleaning by suction, with or without auxiliary action
20.
Waste collection and abatement during hybrid additive and subtractive manufacturing
An assembly for controlling waste material during a hybrid subtractive and additive manufacturing process is disclosed, including a machining tool held in a holder, a shroud disposed around the machining tool, and one or more ports configured to create a negative pressure within the shroud. A method of constraining waste material during a hybrid subtractive and additive manufacturing process of a part includes adding an amount of material to a part being additively manufactured, transforming the amount of material that was added, manipulating a tool to machine a portion of the part being additively manufactured and generating a waste material, sealing a portion of the tool and covering a portion of the part with a shroud, and applying a negative pressure to create an airflow to prevent the waste material from exiting the shroud.
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
B22F 12/90 - Means for process control, e.g. cameras or sensors
B23Q 17/24 - Arrangements for indicating or measuring on machine tools using optics
Transformation steps including drying are incorporated into a process of additive manufacturing of a part. Processes and devices for achieving a transformation are described. A cycle of manufacturing is begun by adding a feedstock such as a metal paste to form a partial part followed by a transformation of the added feedstock, such as removing solvent from a metal paste, to form a transformed part suitable for a manipulation step such as machining. Inclusion of a manipulation process such as machining comprises a single cycle of a manufacturing process. One or more said cycles comprise the process of producing a completed part suitable for further processing such as sintering in the case of a metal paste feedstock to form a finished part.
B22F 10/60 - Treatment of workpieces or articles after build-up
B29C 64/188 - Processes of additive manufacturing involving additional operations performed on the added layers, e.g. smoothing, grinding or thickness control
B29C 64/393 - Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
B22F 10/85 - Data acquisition or data processing for controlling or regulating additive manufacturing processes
A sintering furnace can include an outer shell defining an internal volume a reactive agent inlet configured to introduce a reactive agent into the internal volume; an insulation chamber within the outer shell; and a retort configured to retain an object. A method of operating a sintering furnace can include sintering a part precursor within a retort arranged within a chamber, wherein the chamber defines an intermediate volume between the retort and the chamber, wherein a sintering byproduct is oxidized within the intermediate volume.
F27B 5/04 - Muffle furnacesRetort furnacesOther furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
F27B 5/18 - Arrangement of controlling, monitoring, alarm or like devices
A sintering furnace can include an outer shell defining an internal volume a reactive agent inlet configured to introduce a reactive agent into the internal volume; an insulation chamber within the outer shell; and a retort configured to retain an object. A method of operating a sintering furnace can include sintering a part precursor within a retort arranged within a chamber, wherein the chamber defines an intermediate volume between the retort and the chamber, wherein a sintering byproduct is oxidized within the intermediate volume.
F27B 5/16 - Arrangements of air or gas supply devices
F28D 1/047 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
24.
Method and system for automated toolpath generation
A method for facilitating part fabrication, such as by automated toolpath generation, can include one or more of: receiving a virtual part; modifying the virtual part; and/or determining toolpaths to fabricate the target part. The toolpaths preferably define an ordered series of additive and subtractive toolpaths, more preferably wherein the additive and subtractive toolpaths are interleaved, which can function to achieve high manufacturing efficiency and/or performance. The method can additionally or alternatively include: generating machine instructions based on the toolpaths; fabricating the target part based on the machine instructions; calibrating the fabrication system; and/or any other suitable elements.
A method for facilitating part fabrication, such as by automated toolpath generation, can include one or more of: receiving a virtual part; modifying the virtual part; and/or determining toolpaths to fabricate the target part. The toolpaths preferably define an ordered series of additive and subtractive toolpaths, more preferably wherein the additive and subtractive toolpaths are interleaved, which can function to achieve high manufacturing efficiency and/or performance. The method can additionally or alternatively include: generating machine instructions based on the toolpaths; fabricating the target part based on the machine instructions; calibrating the fabrication system; and/or any other suitable elements.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Metal alloy precursor material for use in 3D printers;
metals and metal alloys; metal alloys for further
manufacturing. 3D printers; machines for manufacturing metal products. Computer aided manufacturing (CAM) software for 3D printers
and for metal manufacturing machines; prerecorded computer
programs for use in construction and automated
manufacturing, for operating and controlling 3D printers,
for use in receiving and manipulating 3D model file data for
fabrication of 3D objects on a 3D printer, for uploading,
downloading, modifying and designing of
customer-manufactured parts, for transmitting data for
printing on a networked 3D printer and for operating and
monitoring a network of 3D printers. Providing temporary use of non-downloadable computer
programs for use in construction and automated
manufacturing, for operating and controlling 3D printers,
for use in receiving and manipulating 3D model file data for
fabrication of 3D objects on a 3D printer, for uploading,
downloading, modifying and designing of
customer-manufactured parts, for transmitting data for
printing on a networked 3D printer and for operating and
monitoring a network of 3D printers.
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Metal alloy precursor material for use in 3D printers primarily composed of metal powder; metals and metal alloys; metal alloys for further manufacturing 3D printers; machines for manufacturing metal products, namely, metal deposition machines, high temperature metal processing machines Recorded computer aided manufacturing (CAM) software for 3D printers and for metal manufacturing machines; recorded computer programs for use in the fields of construction and automated manufacturing, namely, recorded software for operating and controlling 3D printers, for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer, for uploading, downloading, modifying and designing of customer-manufactured parts, for transmitting data for printing on a networked 3D printer and for operating and monitoring a network of 3D printers Providing temporary use of non-downloadable computer programs for use in the fields of construction and automated manufacturing, namely, providing temporary use of non-downloadable software for operating and controlling 3D printers, for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer, for uploading, downloading, modifying and designing of customer-manufactured parts, for transmitting data for printing on a networked 3D printer and for operating and monitoring a network of 3D printers
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Metal alloy precursor material for use in 3D printers primarily composed of metal powder; metals and metal alloys; metal alloys for further manufacturing 3D printers; machines for manufacturing metal products, namely, metal deposition machines, high temperature metal processing machines Recorded computer aided manufacturing (CAM) software for 3D printers and for metal manufacturing machines; recorded computer programs for use in the fields of construction and automated manufacturing, namely, recorded software for operating and controlling 3D printers, for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer, for uploading, downloading, modifying and designing of customer-manufactured parts, for transmitting data for printing on a networked 3D printer and for operating and monitoring a network of 3D printers Providing temporary use of non-downloadable computer programs for use in the fields of construction and automated manufacturing, namely, providing temporary use of non-downloadable software for operating and controlling 3D printers, for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer, for uploading, downloading, modifying and designing of customer-manufactured parts, for transmitting data for printing on a networked 3D printer and for operating and monitoring a network of 3D printers
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Metal alloy precursor material for use in 3D printers primarily composed of metal powders; metals and metal alloys; metal alloys for further manufacturing 3D printers; machines for manufacturing metal products, namely, metal deposition machines, high temperature metal processing machines recorded computer aided manufacturing (CAM) software for 3D printers and for metal manufacturing machines; recorded computer programs for use in the fields of construction and automated manufacturing, namely, recorded software for operating and controlling 3D printers, for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer, for uploading, downloading, modifying and designing of customer-manufactured parts, for transmitting data for printing on a networked 3D printer and for operating and monitoring a network of 3D printers Providing temporary use of non-downloadable computer programs for use in the fields of construction and automated manufacturing, namely, providing temporary use of non-downloadable software for operating and controlling 3D printers, for use in receiving and manipulating 3D model file data for fabrication of 3D objects on a 3D printer, for uploading, downloading, modifying and designing of customer-manufactured parts, for transmitting data for printing on a networked 3D printer and for operating and monitoring a network of 3D printers
30.
Sinterable metal paste for use in additive manufacturing
A material and method are disclosed such that the material can be used to form functional metal pieces by producing an easily sintered layered body of dried metal paste. On a microstructural level, when dried, the metal paste creates a matrix of porous metal scaffold particles with infiltrant metal particles, which are positioned interstitially in the porous scaffold's interstitial voids. For this material to realize mechanical and processing benefits, the infiltrant particles are chosen such that they pack in the porous scaffold piece in a manner which does not significantly degrade the packing of the scaffold particles and so that they can also infiltrate the porous scaffold on heating. The method of using this paste provides a technique with high rate and resolution of metal part production due to a hybrid deposition/removal process.
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
B22F 1/052 - Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
B22F 1/0545 - Dispersions or suspensions of nanosized particles
B22F 1/107 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
B22F 3/24 - After-treatment of workpieces or articles
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers
B22F 10/16 - Formation of a green body by embedding the binder within the powder bed
C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
C22F 1/08 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
31.
System and method for additive metal manufacturing
A system for additive metal manufacturing, including a deposition mechanism, a translation mechanism mounting the deposition mechanism to the working volume, and a stage. A method for additive metal manufacturing including: selectively depositing a material carrier within the working volume; removing an additive from the material carrier; and treating the resultant material.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
A material and method are disclosed such that the material can be used to form functional metal pieces by producing an easily sintered layered body of dried metal paste. On a microstructural level, when dried, the metal paste creates a matrix of porous metal scaffold particles with infiltrant metal particles, which are positioned interstitially in the porous scaffold's interstitial voids. For this material to realize mechanical and processing benefits, the infiltrant particles are chosen such that they pack in the porous scaffold piece in a manner which does not significantly degrade the packing of the scaffold particles and so that they can also infiltrate the porous scaffold on heating. The method of using this paste provides a technique with high rate and resolution of metal part production due to a hybrid deposition/removal process.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 3/24 - After-treatment of workpieces or articles
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
C22F 1/08 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/34 - Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
