Zinc cobalt alloy plating

Details Zinc cobalt alloy plating Zinc cobalt alloy plating

1983-01-27

1984-03-27

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204 40, 204 43Z, C25D 356, C25D 510, C25D 548

Patent

active

044392834

ABSTRACT:
The present invention relates to an improved electroplating bath and process for producing semi-bright to bright zinc cobalt alloy electrodeposits on substrates, and particularly non-planar substrates, to provide enhanced resistance to salt spray corrosion. The invention further contemplates the application of a thin passivate coating directly on the zinc-cobalt electrodeposit, or alternatively, on a substantially pure zinc flash over plate of a thickness sufficient to enable the zinc flash to be converted to an adherent substantially continuous zinc passivate.

REFERENCES:
patent: 4048381 (1977-09-01), Adaniya et al.
patent: 4064320 (1977-12-01), Adaniya et al.
patent: 4252866 (1981-02-01), Matsudo et al.
patent: 4299671 (1981-11-01), Tremmel et al.

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