TiCN-based cermet
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United States of America Patent
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May 14, 2002
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N/A
app pub date -
Sep 21, 2000
filing date -
Sep 21, 1999
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Expired
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Abstract
A TiCN-based cermet comprises 5-25 weight % of a binder phase mainly composed of Co and/or Ni, the balance being substantially a hard phase and inevitable impurities, the hard phase being mainly composed of carbide, nitride and/or carbonitride and containing at least Ti and W, the cermet having a cross-section microstructure in which the number of Ti-rich particles having an area of 0.02 .mu.m.sup.2 or more is 1000 or less per a unit area of 1000 .mu.m.sup.2.
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