发明名称 |
Process for preparing self-supporting bodies and products made thereby |
摘要 |
Self-supporting bodies are produced by reactive infiltration of a parent metal into boron carbide typically resulting in a composite comprising a boron-containing compound and metal. The mass to be infiltrated may contain one or more inert fillers admixed with the boron carbide, or at least one carbon donor material, to produce a composite by reactive infiltration, which composite comprises a matrix of metal and boron-containing compound embedding the filler. In one embodiment of the invention, a parent metal is reactively infiltrated into a mass comprising a boron carbide material mixed with a carbon-containing compound. In this embodiment, a self-supporting composite is formed typically comprising a boron-containing compound, a carbon-containing compound, and metal. The relative amounts of reactants and process conditions may be altered or controlled to yield a body containing varying volume percents of ceramic, metal and/or porosity. The mass to be infiltrated can be contained within a refractory vessel having a venting means included therein.
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申请公布号 |
US4940679(A) |
申请公布日期 |
1990.07.10 |
申请号 |
US19870137044 |
申请日期 |
1987.12.23 |
申请人 |
LANXIDE TECHNOLOGY COMPANY, LP |
发明人 |
CLAAR, TERRY D.;MASON, STEVEN M.;POCHOPIEN, KEVIN P.;WHITE, DANNY R. |
分类号 |
C04B35/58;C04B35/56;C04B35/563;C04B35/622;C04B35/65;C04B41/50;C04B41/87;C22C29/00;C22C29/14 |
主分类号 |
C04B35/58 |
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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