Silver alloys of exceptional and reversible hardness
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United States of America Patent
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Sep 26, 1989
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N/A
app pub date -
Apr 13, 1987
filing date -
Apr 13, 1987
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Expired
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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.
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