发明名称 |
SINTERED DIAMOND TOOL AND METHOD FOR MANUFACTURING THE SAME |
摘要 |
<p>A diamond sintered body tool having superior adhesion resistance and chipping resistance and high strength is provided. A diamond sintered body tool 20 includes a tool base material 22 including a diamond sintered body, and a surface layer 21 formed on a surface of the tool base material 22. The surface layer 21 includes at least one selected from the group of silicon, a silicon oxide, a silicon carbide, a silicon nitride and a solid solution thereof. The tool base material 22 has an inner portion 22b including a first content of an iron group metal, and a surface portion 22a surrounding the inner portion 22b and including a second content of the iron group metal, the second content being lower than the first content. <IMAGE></p> |
申请公布号 |
EP1070562(A1) |
申请公布日期 |
2001.01.24 |
申请号 |
EP19990906536 |
申请日期 |
1999.02.26 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
KANADA, YASUYUKI;KURODA, YOSHIHIRO;YAMAZAKI, NOBORU;OGATA, YASUNOBU;TOMITA, KUNIHIRO;NAKAI, TETSUO;ABE, MAKOTO |
分类号 |
C04B41/49;C04B41/50;C04B41/52;C04B41/53;C04B41/84;C04B41/85;C04B41/87;C04B41/89;C04B41/91;C22C26/00;C23C30/00;(IPC1-7):B23B27/20;B23B27/18;B22F3/24 |
主分类号 |
C04B41/49 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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