发明名称 |
Production of SiC from rice hulls and silica |
摘要 |
SiC whiskers are made by separating a quantity of rice hulls into two portions, carbonizing one portion in a non-oxidizing atmosphere, ashing the other portion in air, combining the carbonized residue and amorphous SiO2 obtained, and heating in a noble gas atmosphere.
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申请公布号 |
US4248844(A) |
申请公布日期 |
1981.02.03 |
申请号 |
US19800115690 |
申请日期 |
1980.01.28 |
申请人 |
GREAT LAKES CARBON CORPORATION |
发明人 |
RAMSEY, JR., DAVID E.;GRINDSTAFF, LLOYD I. |
分类号 |
C30B29/62;C01B31/36;C30B25/00;(IPC1-7):C01B31/36 |
主分类号 |
C30B29/62 |
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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