| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cutting tool having excellent oxidation resistance at high temperature, and high fracture resistance and wear resistance as well. <P>SOLUTION: The cutting tool comprises a substrate coated with a coating layer on a surface, the coating layer being composed of Ti<SB>1-a-b-c-d</SB>Al<SB>a</SB>W<SB>b</SB>Si<SB>c</SB>M<SB>d</SB>(C<SB>x</SB>N<SB>1-x</SB>) (where M is at least one selected from Nb, Mo, Ta, Hf and Y, 0.45≤a≤0.55, 0.01≤b≤0.1, 0.01≤c≤0.05, 0.01≤d≤0.1, and 0≤x≤1), and has excellent wear resistance and fracture resistance. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
