WEAR-RESISTANT COMPONENT
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United States of America Patent
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Issued Date -
Apr 7, 2011
app pub date -
Jan 20, 2009
filing date -
Mar 14, 2008
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Abandoned
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Abstract
The present invention pertains to wear-resistant components for internal combustion engines, particularly piston rings, that feature a wear protection layer with iron base alloy on their surface that is subjected to wear and are characterized in that the components are manufactured of a coating powder by means of high-velocity flame spraying (HVOF) and the coating is single-phase, wherein the proportions of the elements Fe, Cr, B and C in the wear protection layer are 45-75 wt.-% Fe, 15-40 wt.-% Cr, 1-10 wt.-% B and 0.1-5 wt.-% C. The present invention furthermore pertains to a method for manufacturing wear-resistant components for internal combustion engines, particularly piston rings, according to the present invention.
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