Layered composite material for plain bearings, production and use thereof
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United States of America Patent
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May 6, 2008
Grant Date -
Dec 21, 2006
app pub date -
Aug 5, 2004
filing date -
Aug 12, 2003
priority date (Note) -
Expired
status (Latency Note)
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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 .mu.m by electrodeposition, in which the overlay is deposited from methyl sulphonic acid-based electrolyte.
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