Method of preparing a bulk amorphous metal article

Details Method of preparing a bulk amorphous metal article Method of preparing a bulk amorphous metal article

1987-11-03

1988-08-09

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 32, 419 39, 419 41, 419 43, 419 46, 419 66, 419 67, 419 69, B22F 324

Patent

active

047626780

ABSTRACT:
The present invention provides a method of producing a bulk amorphous metal alloy article. The method involves mechanically alloying a matrix metal and a fast diffuser element into a powder mixture consisting of particles having a modulated structure and whereby the powder is at least 50% but less than 100% amorphous. The resultant powder mixture is formed into a bulk amorphous metal alloy article by standard forming methods such as cold or hot-pressing. This bulk article can be further processed into a bulk crystalline metal alloy article by heating at a temperature above the glass transition temperature of the amorphous metal alloy article.

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