发明名称 |
Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process |
摘要 |
The present invention provides a nearly fully dense, microcrystalline, composite ceramic abrasive particle comprising grains of alumina, gamma-aluminum oxynitride and, optionally, a Periodic Group IVB metal nitride in the system Al2O3/ALON/Group IVB metal nitride. In another aspect, two different processes for making an abrasive particle such as an abrasive grit, comprising a multiphase mixture of microcrystalline components in this system using sol gel techniques and pressureless reaction-sintering, are disclosed.
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申请公布号 |
US4957886(A) |
申请公布日期 |
1990.09.18 |
申请号 |
US19890341802 |
申请日期 |
1989.04.21 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
MATHERS, JAMES P.;WOOD, WILLIAM P.;FORESTER, THOMAS E. |
分类号 |
C04B35/111;C04B35/581;C09K3/14 |
主分类号 |
C04B35/111 |
代理机构 |
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地址 |
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