Gold-colored alloy

Details Gold-colored alloy Gold-colored alloy

1991-12-09

1994-07-19

Dean, Richard O.

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Copper containing

420582, C22C 3002

Patent

active

053307135

ABSTRACT:
In accordance with this invention, a gold colored tarnish and corrosive resistant alloy is provided which includes the following: 6 to 20 percent by weight gold, 5 to 10 percent by weight of indium, 5 to 12 percent by weight of palladium, 23 to 40 percent copper, 5 to 10 percent by weight zinc, and 23 to 40 percent by weight silver. It has been found that the aforesaid alloys are sufficiently malleable to be rolled or stamped without fracturing.

REFERENCES:
patent: 1913423 (1933-06-01), Wise
patent: 4557895 (1985-12-01), Karamon et al.
Metals Handbook, 9th Ed., vol. 15 pp. 468-470 1988.

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