Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Forming multiple superposed electrolytic coatings
Patent
1991-05-31
1992-08-11
Niebling, John
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Forming multiple superposed electrolytic coatings
205283, 205222, C25D 514
Patent
active
051376199
ABSTRACT:
A method of forming sliding surfaces, wherein a first plating layer with a relatively high level of hardness is formed by using a first plating liquid which is at a relatively low temperature; and a second plating layer with a hardness lower than that of the first plating layer is formed on the surface of the first plating layer by using a second plating liquid which is at a temperature higher than that of the first plating liquid; the second plating layer being honed to a predetermined thickness.
REFERENCES:
patent: 3157585 (1964-11-01), Durham
patent: 3421986 (1969-01-01), Ruff et al.
patent: 4039399 (1977-08-01), Wallace et al.
Moriki Hiroshi
Yonekawa Minoru
Kioritz & Corporation
Mayekar Kishor
Niebling John
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