Process and composition for improved corrosion resistance

Details Process and composition for improved corrosion resistance Process and composition for improved corrosion resistance

1986-02-21

1987-05-05

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75247, 75255, 419 23, 419 38, 420 92, B22F 100

Patent

active

046629394

ABSTRACT:
Corrosion resistance of stainless steel powder moldings is improved by combining the powder before molding with about 8 to 16% by weight of an additive consisting essentially of about 2 to 30% by weight of tin and 98 to 70% by weight of copper and/or nickel. Stainless steel moldings are prepared by compacting the powder at high pressure and heating to sintering temperature.

REFERENCES:
patent: 3425813 (1969-02-01), Orlemann
patent: 3520680 (1970-07-01), Orlemann
patent: 4314849 (1982-02-01), Ro et al.
patent: 4331478 (1982-05-01), Ro et al.
patent: 4420336 (1983-12-01), Klar et al.

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