Wear resistant coatings for race land regions of bearing materials
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United States of America Patent
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Mar 22, 2011
Grant Date -
May 8, 2008
app pub date -
Nov 6, 2007
filing date -
Nov 7, 2006
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Abstract
Embodiments of a coated substrate (for example, a coated race land region of a roller bearing element) comprise a metallic substrate, a ceramic underlayer comprising a nitride, a carbide, a carbonitride, a boride, or combinations thereof disposed over the metallic substrate, and a mixed layer comprising titanium nitride and silver disposed over the ceramic underlayer; and an overlayer disposed over the mixed layer.
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