Degassing powder metallurgical products

Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions

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75211, 75226, 29182, 148126, B22F 100

Patent

active

039544583

ABSTRACT:
This invention relates to a method of degassing prealloyed aluminum powder or compacts formed therefrom wherein the metal products are degassed by being subjected to a temperature between 450.degree. and 850.degree.F at a pressure less than 10.sup.-.sup.3 torr. The products of this process are characterized by high strength and fracture toughness and excellent corrosion resistance.

REFERENCES:
patent: 3544394 (1970-12-01), Lyle et al.
patent: 3563814 (1971-02-01), Lyle et al.
patent: 3637441 (1972-01-01), Lyle et al.
U.S. Army Contract DAAA25-72-C0593, June 11, 1973, Alcoa-Frankford Arsenal.

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