[go: up one dir, main page]

Carter et al., 1993 - Google Patents

Direct laser sintering of metals

Carter et al., 1993

View PDF
Document ID
1333018303016679718
Author
Carter W
Jones M
Publication year

External Links

Snippet

The use of a directed laser bealn source to selectively sinter multiple layers of binderless metal powder for the purposes of rapid prototyping is described. The work in this paper is restricted to-325 mesh iron powder, which was sintered using a C\V 50 W Nd: YAG laser to …
Continue reading at repositories.lib.utexas.edu (PDF) (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/105—Sintering only by using electric current other than for infra-red radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • B22F3/1055—Selective sintering, i.e. stereolithography
    • B22F2003/1056—Apparatus components, details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; Presses and furnaces
    • B22F3/004—Filling molds with powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; Presses and furnaces
    • B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor; Presses and furnaces by extruding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0051—Rapid manufacturing and prototyping of 3D objects by additive depositing, agglomerating or laminating of plastics material, e.g. by stereolithography or selective laser sintering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES

Similar Documents

Publication Publication Date Title
Carter et al. Direct laser sintering of metals
Kumar et al. Effects of hot isostatic pressing on copper parts fabricated via binder jetting
Deckers et al. Isostatic pressing assisted indirect selective laser sintering of alumina components
Santos et al. Rapid manufacturing of metal components by laser forming
Das et al. Direct laser freeform fabrication of high performance metal components
EP1534461B1 (en) Metallic parts fabrication using selective inhibition of sintering (sis)
EP0863806B1 (en) Laser-directed article fabrication using hot isostatic processing
US5745834A (en) Free form fabrication of metallic components
Kruth et al. Lasers and materials in selective laser sintering
RU2550670C2 (en) Production of metal article by laser cyclic application of powder and unit to this end
CN112789130B (en) Method for producing a counterform and method for producing a component with a complex shape using such a counterform
US20230021374A1 (en) System and method for additive metal casting
Ruys et al. Powder processing of bulk components in manufacturing
Leu et al. Optimization of selective laser sintering process for fabrication of zirconium diboride parts
Zhou et al. Rapid pattern based powder sintering technique and related shrinkage control
Lu Preliminary mechanical characterization of the low-cost metal 3D printing
Leu et al. Freeform fabrication of zirconium diboride parts using selective laser sintering
Elliott et al. Binder jetting and sintering in additive manufacturing
CN117677454A (en) Systems and methods for additive metal casting
Goldberger A low cost method for pressure-assisted densification of advanced materials into complex shaped parts
Rock et al. A New SFF process for functional part rapid prototyping and manufacturing: freeform powder molding
Talapaneni et al. Consolidation of Mechanically Alloyed Powders
Yegyan Kumar Effects of Hot Isostatic Pressing on Copper Parts Additively Manufactured via Binder Jetting
Rock et al. Distortion control for P/M-based rapid prototyping of advanced material components
Zhou Characterization of the porosity and pore behavior during the sintering process of 420 stainless steel samples produced with gas-and water-atomized powder using powder based 3-d printing