Tool of surface-coated cubic boron nitride sintered compact

Tool of surface-coated cubic boron nitride sintered compact

  • CN 1,950,165 B
  • Filed: 02/28/2005
  • Issued: 11/16/2011
  • Est. Priority Date: 04/30/2004
  • Status: Active Grant
First Claim
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1. tool of surface-coated cubic boron nitride sintered compact comprises:

  • Base material with cubic boron nitride sintered compact formation;

    WithThe surface-coated film of described substrate surface is covered;

    WhereinForm anti-land and have the side of described surface-coated film, in described anti-land whole, expose described cubic boron nitride sintered compact andCubic boron nitride particle in the described cubic boron nitride sintered compact that exposes is containing at least a in Ti, Cr, Zr, V and Ar at least 0.05 μ

    m sentences total content for unavoidable impurities amount at the most from the degree of depth of described cubic boron nitride particle surface.

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