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Preparation of ceramic matrix composites by infiltration of fibrous preforms with fluids or slurries and subsequent pyrolysis
Preparation of ceramic matrix composites by infiltration of fibrous preforms with fluids or slurries and subsequent pyrolysis
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机译:通过使液体或浆液渗透纤维预成型件并随后进行热解来制备陶瓷基复合材料
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摘要
This invention is a fiber-reinforced ceramic matrix composite and a method for their fabrication. The precursors of the ceramic matrix phase are impregnated into the fibrous preform or-applied to the surface of the fiber as fluids. The preform or fibers are then thermally processed to convert the precursor compounds to the desired refractory materials, e.g., carbides, borides, or nitrides. The density and other properties of the composites may be enhanced further by using a hybrid process that combines fluid infiltration and thermal treatment with chemical vapor infiltration.
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