Method of sintering compacts

Details Method of sintering compacts Method of sintering compacts

1986-09-16

1988-01-12

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Plural heating steps including sintering

419 49, 419 54, 419 57, 264 65, 264125, 204164, B22F 100

Patent

active

047190787

ABSTRACT:
A method of sintering compacts of metals, ceramics and the like in powder form. At least the surface portion of the compact is sintered in a plasma atmosphere having a pressure of 10 Torr or less thereby eliminating the open voids and then the compact is subjected to a hot isostatic press process.

REFERENCES:
patent: 4104782 (1978-08-01), Veeck et al.
patent: 4145481 (1979-03-01), Gupta et al.
patent: 4212669 (1980-07-01), Veeck et al.
patent: 4501717 (1985-02-01), Tsukamoto et al.

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