Method of electrodepositing an alloy of tin, cobalt and a third

Chemistry: electrical and wave energy – Processes and products

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204 43T, C25D 360, C25D 356

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active

039665640

ABSTRACT:
Bright, tarnish resistant and color stable ternary alloys of about 40 - 90% of tin, about 10 - 50% cobalt and about 1 - 28% of a third metal of Periodic Group II.sub.B, III.sub.A or VI.sub.B. Typical third metals are zinc, cadmium, indium, antimony or chromium. The alloys are electrodeposited from aqueous acidic baths at a temperature of about 50.degree. - 85.degree.C. and current density of about 5 - 45 A/ft..sup.2.

REFERENCES:
patent: 2853382 (1958-09-01), Klochkov
patent: 3772168 (1973-11-01), Dillenberg
Federick A. Lowenheim, "Modern Electroplating", pg. 6, 2nd edition, (1963).

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