Method of making flowable tungsten/copper composite powder

Details Method of making flowable tungsten/copper composite powder Method of making flowable tungsten/copper composite powder

1993-07-16

1995-08-08

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder pretreatment

419 33, 75343, B22F 100, B22F 904

Patent

active

054396387

ABSTRACT:
A method of making flowable tungsten/copper composite powder by milling an aqueous slurry of a mixture of the desired weight ratio of tungsten powder and copper oxide powder and, optionally, a small amount of cobalt powder, spray-drying the slurry to form spherical, flowable agglomerates, and reducing the agglomerates in a hydrogen atmosphere.

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