Piston ring having wear resistant composition
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United States of America Patent
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May 30, 2006
Grant Date -
Apr 29, 2004
app pub date -
Mar 18, 2002
filing date -
Mar 27, 2001
priority date (Note) -
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Abstract
The invention discloses a piston ring comprising a piston ring substrate. The piston ring substrate comprises at least 50 volume %, of at least one intermetallic alloy, based on the total volume of the wear-resistant composition. The invention further relates to a piston ring comprising a wear-resistant composite composition and a piston ring coating comprising a wear-resistant composition, the wear-resistant composite composition comprising a ceramic compound.
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