Method for increasing the service life of tools and a wear protection-coated tool
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United States of America Patent
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Jun 11, 1996
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N/A
app pub date -
Mar 14, 1994
filing date -
Mar 16, 1993
priority date (Note) -
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Abstract
A method of increasing the service life of a tool and a tool coated according to the method comprises a wear resist of MeX, where Me is a metal including at least 50% group IVb metal, and X is either carbon, oxygen, nitrogen or boron with at least 50% oxygen. An intermediate layer between the substrate of the tool and the wear resistent layer is made of CrX and has a thickness of 5 nm.ltoreq.d.ltoreq.1000 nm, where d is the thickness.
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