Friction element and method for the production thereof
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United States of America Patent
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Oct 19, 1999
Issued Date -
N/A
app pub date -
Jun 19, 1998
filing date -
Dec 21, 1995
priority date (Note) -
Expired
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Abstract
A friction element has a base element on which a coating is applied by thermal spraying of a copper alloy. The copper alloy contains 27 to 35 wt % zinc, 4 to 6 wt % aluminum, 2 to 4 wt % nickel, 0.5 to 2 wt % titanium, and copper as the remainder, with random contaminants. The copper alloy is applied onto a base element by thermal spraying, and requires only a finish treatment by stamping to achieve good tribological properties and wear resistance that are comparable to molybdenum coatings. Alternative copper-zinc alloys can have, in particular, manganese, iron, and lead constituents.
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