Powder metallurgy

Details Powder metallurgy Powder metallurgy

1978-04-05

1980-10-14

Schafer, Richard E.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75200, 75223, 75226, B22F 314

Patent

active

042279275

ABSTRACT:
A powder metallurgy consolidation process in which the unconsolidated metal powder is placed in a sealable mold; the mold is evacuated and sealed; the mold is placed in an open top container larger than the mold; the space between the mold and container is filled with a free flowing refractory powder, preferably minus twenty mesh powder graphite; and the sealed mold and its contents are heated in the container to metal sintering temperatures without special atmospheres.

REFERENCES:
patent: Re28301 (1975-01-01), Havel
patent: 3284195 (1966-11-01), Googin et al.
patent: 3419935 (1969-01-01), Pfeiler et al.
patent: 3455682 (1969-07-01), Barburas
patent: 3700435 (1972-10-01), Chandhok
patent: 3704508 (1972-12-01), Giambattista
patent: 3729971 (1973-05-01), Gurganus et al.
patent: 3862840 (1975-01-01), Nayar
patent: 3970517 (1976-07-01), Van Nederveen
patent: 3982934 (1976-09-01), Wentzell
patent: 3992200 (1976-11-01), Chandhok
patent: 4041123 (1977-08-01), Lange
patent: 4081272 (1978-03-01), Adlerborn

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