Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent
1980-01-21
1982-02-09
Hunt, Brooks H.
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
75251, 75245, 75200, 75224, 75128G, 75128E, B22F 300, C22C 3302, C22C 3802
Patent
active
043148492
ABSTRACT:
The corrosion resistance of stainless steel powder compacts containing tin and silicon is maximized if the compacts are sintered at temperatures in excess of 2300.degree. F. in highly reductive atmospheres until the ratio of Sn:Si on the surface of the compact is at least about 1:1. Stainless steel powders atomized in an oxidizing atmosphere and containing up to about 1 percent oxygen can be utilized.
REFERENCES:
patent: 4240831 (1980-12-01), Ro
Powder Metallurgy Equipment Manual 1977 pp. 134, 135 & 138.
Klar Erhard
Ro David H.
Whitman C. I.
Douthitt Merton H.
Hunt Brooks H.
SCM Corporation
Sturges Robert A.
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