HARD COATING FILM FOR CUTTING TOOL AND CUTTING TOOL COATED WITH HARD COATING FILM
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United States of America Patent
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Issued Date -
Mar 12, 2015
app pub date -
Apr 2, 2012
filing date -
Apr 2, 2012
priority date (Note) -
Abandoned
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Abstract
A cutting tool hard film disposed as coating on a surface of a cutting tool, includes: a hard phase that is a nitride phase, an oxide phase, a carbide phase, a carbonitride phase, or a boride phase containing at least one element out of group IVa elements, group Va elements, group VIa elements, Al, and Si; and a binding phase that is a phase containing at least one element out of Au, Ag, and Cu, the cutting tool hard film having composite structure with the hard phase and the binding phase three-dimensionally arranged.
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