Heat and corrosion resistant plating

Details Heat and corrosion resistant plating Heat and corrosion resistant plating

1990-03-23

1991-10-22

Dean, R.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428679, 428926, 428936, B32B 1500, B32B 100

Patent

active

050594931

ABSTRACT:
A multilayer plating showing high corrosion resistance even at elevated temperatures includes a first or undercoat layer formed from cobalt, nickel or a cobalt or nickel alloy on the surface to be protected, and a second or overcoat layer formed on the first layer from zinc or a zinc alloy. The second layer may further be chromated.

REFERENCES:
patent: 2918722 (1959-12-01), Kenmore
patent: 4190504 (1980-02-01), Usui
patent: 4500610 (1985-02-01), Gunn et al.
patent: 4849301 (1989-07-01), Kanasashi
patent: 4853297 (1989-08-01), Takahashi et al.

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