Body coated with hard material
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United States of America Patent
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Mar 12, 2013
Grant Date -
Jan 6, 2011
app pub date -
Jan 20, 2009
filing date -
Mar 12, 2008
priority date (Note) -
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Abstract
The invention relates to a body which is coated with hard material and has a plurality of layers applied by means of CVD, wherein the outer layer comprises Ti1-xAlxN, Ti1-xAlxC and/or Ti1-xAlxCN where 0.65≦x≦0.9, preferably 0.7≦x≦0.9, and this outer layer has compressive stresses in the range from 100 to 1100 MPa, preferably from 400 to 800 MPa, and a TiCN or Al2O3 layer is arranged under this outer layer.
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