Method for producing a high density metal article

Details Method for producing a high density metal article Method for producing a high density metal article

1985-09-11

1986-09-16

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 23, 419 29, 419 38, 419 48, 419 49, 419 53, 419 54, 419 57, 75245, 75248, B22F 324

Patent

active

046121625

ABSTRACT:
An improvement is disclosed in a method for producing a metal article of high density comprising pressing a metal powder at a sufficient pressure to form a green article and sintering said green article at a sufficient temperature for a sufficient time to form a sintered article, the improvement being pressing the sintered article at a sufficient temperature for a sufficient time at a sufficient pressure of a non-oxidizing atmosphere to produce the final high density article.

REFERENCES:
patent: 4431605 (1984-02-01), Lueth
patent: 4448747 (1984-05-01), Moritoki et al.
patent: 4455278 (1984-06-01), van Nederveen et al.

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