Powder metallurgy processes – Forming articles by uniting randomly associated metal particles – Consolidation of powders
Patent
1985-01-09
1987-12-01
Kyle, Deborah L.
Powder metallurgy processes
Forming articles by uniting randomly associated metal particles
Consolidation of powders
75 05AA, 75 05AB, 75 05AC, B22F 3302
Patent
active
047103469
ABSTRACT:
A method and apparatus for manufacturing powders comprising converting a solid starting material from the solid state to the gaseous or vapor phase, and forming powder particles by transferring the starting material in gaseous or vapor phase into a sealed reaction chamber with nucleation agents. The reaction chamber includes a wall of bellows construction to enable the chamber to expand and contract and a radiation reflecting coating is provided on at least a portion of the wall. The reaction chamber is subjected to one or more conditions of outer space. The powder particles can be supplied to a shaping stage in which the powder particles are compressed into compacts or formed into the final shape of a desired component.
REFERENCES:
patent: 4168182 (1979-09-01), Rossman et al.
patent: 4418124 (1983-11-01), Jackson et al.
patent: 4480617 (1984-11-01), Henson et al.
patent: 4515684 (1985-05-01), Singer
"Shuttle 7 to Carry Multinational Payload", Aviation Week & Space Technology, Covault, 5-1983.
Kyle Deborah L.
Motoren-und Turbinen-Union Munchen GmbH
Wallen T. J.
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