Coated cutting insert
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United States of America Patent
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Jul 10, 2012
Grant Date -
Dec 8, 2011
app pub date -
Aug 15, 2011
filing date -
Dec 14, 2007
priority date (Note) -
Expired
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Abstract
Coated cemented carbide inserts (cutting tools), particularly useful for wet or dry machining of steels and stainless steels, are disclosed. The cutting tool insert is characterized by a cemented carbide substrate and a coating formed from an about 0.5 to 5 μm thick innermost layer of (Ti,Al)N and an about 1 to 5 μm thick layer of (Al,Cr)2O3.
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