发明名称 |
Silicon nitride/silicon carbide composite powders |
摘要 |
Prepare silicon nitride-silicon carbide composite powders by carbothermal reduction of crystalline silica powder, carbon powder and, optionally, crystalline silicon nitride powder. The crystalline silicon carbide portion of the composite powders has a mean number diameter less than about 700 nanometers and contains nitrogen. The composite powders may be used to prepare sintered ceramic bodies and self-reinforced silicon nitride ceramic bodies.
|
申请公布号 |
US5525556(A) |
申请公布日期 |
1996.06.11 |
申请号 |
US19950484539 |
申请日期 |
1995.06.07 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
DUNMEAD, STEPHEN D.;WEIMER, ALAN W.;CARROLL, DANIEL F.;EISMAN, GLENN A.;COCHRAN, GENE A.;SUSNITZKY, DAVID W.;BEAMAN, DONALD R.;NILSEN, KEVIN J. |
分类号 |
C04B35/565;C01B21/068;C04B35/584;C04B35/593;C04B35/626;(IPC1-7):C04B35/596;C04B35/577 |
主分类号 |
C04B35/565 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|