Method for making metal powder

Details Method for making metal powder Method for making metal powder

1984-04-09

1985-03-05

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05C, B22F 900

Patent

active

045028850

ABSTRACT:
A fine powder is prepared by directing a high velocity stream of molten droplets into a cooling fluid to form rapidly solidified powder. The powder is subjected to comminution at an energy sufficient to fragment at least a portion of the particles which are not completely rapidly solidified. The fragmented particles are removed to give a powder containing a greater proportion of rapidly solidified particles than the original mixture.

REFERENCES:
patent: 4221587 (1980-09-01), Ray
patent: 4240824 (1980-12-01), Moskowitz et al.
patent: 4264354 (1981-04-01), Cheetham
patent: 4390368 (1983-06-01), Houck

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