Metal powder suited for powder metallurgical purposes, and a pro

Details Metal powder suited for powder metallurgical purposes, and a pro Metal powder suited for powder metallurgical purposes, and a pro

1976-05-17

1978-01-17

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75 5C, 264 8, B22D 2308

Patent

active

040690458

ABSTRACT:
A steel powder suited for powder metallurgical purposes consists of an amorphous to compact-grained, essentially dendrite-free material with irregularly cornered particle shape. Such a steel powder may be produced by causing molten steel to form at least one discrete, relatively thin film on a relatively cold metal surface of great cooling capacity, causing the thin film to solidify extremely rapidly on the metal surface to form a brittle amorphous to compact-grained, in principle completely dendrite-free steel film, and crushing or grinding the brittle film into a powder of an irregularly cornered particle shape.

REFERENCES:
patent: 3151971 (1964-10-01), Clough

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