Work piece with a hard film of AlCr-containing material, and process for its production
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United States of America Patent
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Jun 5, 2007
Grant Date -
Jan 6, 2005
app pub date -
Apr 15, 2004
filing date -
Apr 28, 2003
priority date (Note) -
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Abstract
A work piece or structural component is coated with a system of film layers at least one of which is composed of (Al.sub.yCr.sub.1-y) X, where X=N, C, B, CN, BN, CBN, NO, CO, BO, CNO, BNO or CBNO and 0.2.ltoreq.y<0.7, with the composition within said film being either essentially constant or varying over the thickness of the film continually or in steps, as well as a process for producing it.
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