Silver alloys of exceptional and reversible hardness

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

1988-01-19

1989-03-07

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148405, 420502, 420504, C22F 114, C22C 508

Patent

active

048103080

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 and either aluminum or indium or zinc, or silver, copper, antiomony and either aluminum or indium or zinc, or silver, copper, lithium, tin and antimony, or silver, copper, lithium, tin and bismuth, or silver, copper, lithium, tin, bismuth and antimony.

REFERENCES:
patent: 1984225 (1934-12-01), McFarland
patent: 2196302 (1940-04-01), Hensel et al.

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