Phase redistribution processing

Details Phase redistribution processing Phase redistribution processing

1988-08-29

1990-01-02

Roy, Upendra

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05B, 148902, 420590, B21B 146, C22C 104

Patent

active

048910597

ABSTRACT:
Homogeneous and refined microstructure powders and the method of making them from, for example, liquid metal immiscible systems or very limited solid solubility systems. At least two metals are melted and then rapidly solidified to yield a solid with a segregated, non-uniform microstructure. The resulting rapidly-solidified solid is then reduced to a powder and subjected to high-energy milling for a time sufficient to reduce the segregation to the desired level of uniformity.

REFERENCES:
patent: 3528806 (1970-09-01), Beghi et al.
patent: 4264354 (1981-04-01), Cheetham
patent: 4404023 (1983-09-01), Gluck
patent: 4579587 (1986-04-01), Grant et al.
patent: 4668282 (1987-05-01), Gilman et al.
patent: 4702765 (1987-10-01), Sato
patent: 4715893 (1987-12-01), Skinner et al.

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