发明名称 |
Sintered diamond tool and method for manufacturing the same |
摘要 |
A diamond sintered body tool (20) having superior adhesion resistance, chipping resistance and high strength 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 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 lower than the first content.
|
申请公布号 |
US6528159(B1) |
申请公布日期 |
2003.03.04 |
申请号 |
US20000623276 |
申请日期 |
2000.09.01 |
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):B32B9/00;B23B27/20;B22F3/24 |
主分类号 |
C04B41/49 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|