Process for making copper-rich metal shapes by powder metallurgy

Details Process for making copper-rich metal shapes by powder metallurgy Process for making copper-rich metal shapes by powder metallurgy

1985-09-19

1986-08-05

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 2, 419 22, 419 23, 419 28, 419 36, 419 37, 419 38, 419 57, 419 58, 419 59, 419 65, 419 66, 75133, B22F 700

Patent

active

046042598

ABSTRACT:
A copper-rich metal shape is produced by forming a coherent forerunner shape consisting essentially of cupreous powder, said powder containing a proportion of copper oxide sufficient for facilitating the obtaining of a high sinter density in sintered porous mass, and in a reducing atmosphere at temperature that will sinter copper present, converting said forerunner shape into a porous sintered mass virtually devoid of copper oxide. Said porous mass can be worked so virtually full density if desired.

REFERENCES:
patent: 4315777 (1982-02-01), Nadkarni et al.

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