The invention relates to a carbon fiber toughened silicon carbide composite material plate and a preparation method and an application thereof, wherein the carbon fiber toughened silicon carbide composite material plate is prepared by the steps of activated carbon fiber surface degumming and activating, 3D fiber weaving, surface pyrolysis and carbon deposition, dipping colloid preparation, dipping and cracking, reaction sintering and the like. Compared with the prior art, long carbon fibers are subjected to 3D weaving, Z-direction fibers are introduced to overcome the disadvantage of low interlayer performance of a 2D composite material, and the mechanical properties in the thickness direction are increased; pyrolytic carbon formed on the carbon fiber surface by vapor deposition is used as a composite material interface, the pyrolytic carbon interface layer is used for transferring the stress of the whole material and other information and plays roles of 'bridge' and 'linkage'; short carbon fibers are added in a dipping colloid solution, so that the binding force of the composite material interface is increased, and the strength of the composite material is higher.


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    Title :

    Carbon fiber toughened silicon carbide composite material plate and preparation method and application thereof


    Contributors:
    HE GUOQIU (author) / LIU XIAOSHAN (author) / SHE MENG (author) / FAN KANGLE (author) / SHEN YUE (author) / TIAN DANDAN (author) / LYU SHIQUAN (author) / LIN GUOBIN (author) / REN JINGDONG (author) / GAO DINGGANG (author)

    Publication date :

    2016-01-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C04B Kalk , LIME / B61H Bremsen oder andere Verzögerungseinrichtungen ausgebildet für Schienenfahrzeuge , BRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES



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