Layered composite material for plain bearings, production...

Details Layered composite material for plain bearings, production... Layered composite material for plain bearings, production...

2008-05-06

2008-05-06

Zimmerman, John J (Department: 1794)

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Forming multiple superposed electrolytic coatings

C205S238000, C205S242000, C384S912000, C428S642000

Reexamination Certificate

active

10568109

ABSTRACT:
The invention is a method for the production of a composite multilayer material having a backing layer, a bearing metal layer of a copper alloy or an aluminum alloy, a nickel intermediate layer and an overlay consisting of about 0-20 wt. % copper and about 0-20 wt. % silver, the combined maximum wt. % of copper and silver being about 20 wt. %, the rest being bismuth, and the layer thickness of the nickel layer amounts to more than 4 μm by electrodeposition, in which the overlay is deposited from methyl sulphonic acid-based electrolyte.

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