Replacement plating procedure for silver on nickel

Details Replacement plating procedure for silver on nickel Replacement plating procedure for silver on nickel

1978-09-05

1980-02-19

Hoffman, James R.

Coating processes

Electrical product produced

Metal coating

427247, 427304, 427309, B05D 118, C23C 300, C23F 100

Patent

active

041895100

ABSTRACT:
A porous nickel body is interiorly silver plated in a two-step procedure by: first, acid etching the nickel surface for activation; then plating the activated surface by replacement of elemental nickel thereon with silver from a dissolved aqueous cyanide or equivalent silver salt.

REFERENCES:
patent: 3123484 (1964-03-01), Pokras et al.
patent: 3539469 (1970-11-01), Schroeder et al.
patent: 3787244 (1974-01-01), Schulmeister et al.
patent: 3880730 (1975-04-01), Wright et al.
Wright et al., C. A. 68059v, vol. 83, 1975.

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