Powdered metal admixture and process

Details Powdered metal admixture and process Powdered metal admixture and process

1998-11-09

2000-10-17

Mai, Ngoclan

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 27, 419 32, 419 36, 419 57, 419 58, B22F 326, B22F 100, B22F 104

Patent

active

061324868

ABSTRACT:
A process of forming a multi-phase sintered article of powdered metal comprising: blending a mixture of copper powder, aluminum powder, iron powder, and nickel, each in their free states, with a lubricant, compacting the blended mixture into a die cavity, forming the article, and high temperature sintering the article in a reducing atmosphere comprised of 100% dissociated ammonia so as to produce the multi-phase sintered article of powdered metal; and the multi-phase sintered article of powdered metal formed thereby.

REFERENCES:
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patent: 4608085 (1986-06-01), Eudier et al.
patent: 4614544 (1986-09-01), Lall
patent: 4681629 (1987-07-01), Reinshagen
patent: 4935056 (1990-06-01), Miyasaka
patent: 5125962 (1992-06-01), Krentscher
patent: 5637132 (1997-06-01), Matthews et al.

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