Carbide cutting insert
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United States of America Patent
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Jul 9, 2013
Grant Date -
Aug 21, 2008
app pub date -
Feb 19, 2007
filing date -
Feb 19, 2007
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
Cutting tools and cutting inserts having a wear resistant coating on a substrate comprising a metal carbide particle and a binder. For certain applications, a cutting insert having a wear resistant coating comprising hafnium carbon nitride and a binder comprising ruthenium may provide a greater service life. The wear resistant coating comprising hafnium carbon nitride may have a thickness of from 1 to 10 microns. In another embodiment, the cutting tool comprises a cemented carbide substrate with a binder comprising at least one of iron, nickel and cobalt.
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