Silver alloys of exceptional and reversible hardness

Details Silver alloys of exceptional and reversible hardness Silver alloys of exceptional and reversible hardness

1987-04-13

1989-09-26

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148405, 420502, C22F 114, C22C 508

Patent

active

048697575

ABSTRACT:
A unique hardenable silver alloy is provided which is solution annealed and preferably age-hardened to yield a silver alloy of exceptional and reversible hardness. The alloys utilize intermetallic systems comprising; silver, copper, combined with lithium alone or tin alone in varying percent amounts, or silver, copper, lithium and either tin or antimony, or silver, copper, lithium, tin and antimony, or silver, copper, lithium, tin and bismuth, or silver, copper, lithium, tin, bismuth and antimony.

REFERENCES:
patent: 1970319 (1934-08-01), Kern
patent: 1984225 (1934-12-01), McFarland
patent: 2196302 (1940-04-01), Hensel et al.
patent: 2196303 (1940-04-01), Hensel et al.
patent: 2235634 (1941-03-01), Hensel et al.
Gubin et al., "Brazing Corrosion-Resistant Steels", Svar. Proiz., 1971, No. 11, pp. 39-41.

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