Silver alloy compositions, and master alloy compositions therefo

Details Silver alloy compositions, and master alloy compositions therefo Silver alloy compositions, and master alloy compositions therefo

1990-09-05

1991-08-13

Yee, Deborah

Alloys or metallic compositions

Silver base

Copper containing

420521, 420560, 420587, 420589, C22C 506, C22C 1300, C22C 1802, C22C 3000

Patent

active

050394797

ABSTRACT:
A silver alloy composition exhibiting the desirable properties of reduced fire scale, reduced porosity, reduced grain size and reduced oxide formation when heated, consists essentially of the following parts by weight: about 89-93.5% silver, about 0.02-2% silicon, about 0.001-2% boron, about 0.5-5% zinc, about 0.5-6% copper, about 0.25-6% tin, and about 0.01-1.25% indium. A master alloy composition adapted to be alloyed with silver, consisting essentially of the following parts by weight: about 5-35% zinc, about 5-80% tin, about 5-35% copper, about 0.05-14% silicon, about 0.01-1.25% indium, and about 0.05-17% boron.

REFERENCES:
patent: 4052531 (1977-10-01), Steine et al.

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