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    • 6. 发明授权
    • Fiber-reinforced structural component
    • 纤维增强结构件
    • US06818085B2
    • 2004-11-16
    • US10148448
    • 2002-05-30
    • Thomas BehrManfred KurbjuhnRobert MichalMichael NiesteggeKarl-Ludwig Weisskopf
    • Thomas BehrManfred KurbjuhnRobert MichalMichael NiesteggeKarl-Ludwig Weisskopf
    • C04B35573
    • C04B35/636C04B35/573C04B35/62873C04B35/806C04B35/83C04B2235/425C04B2235/5248C04B2235/616C04B2235/75F16D69/02F16D69/023
    • A process for producing a fiber-reinforced, ceramic structural component comprising high-temperature resistant fibers which are reaction-bonded to a matrix of silicon carbide comprises the steps of coating bundles of fibers with pyrolysable binder and solidifying the binder, producing mixtures of fiber bundles, fillers and binders, pressing the mixtures to produce a pressed body, pyrolysing the pressed body under the exclusion of oxygen to form a porous, carbon-containing preform, infiltrating the preform with a silicon melt to form the silicon carbide matrix, in which various pressing compounds are produced, which contain fibers of different quality and in different proportions and different coatings. These pressing compounds are arranged at different levels and in different spatial directions in the press mould during the filling of the press mould. After the pressing, the regions produced in this way are retained in the press mould. After the infiltration of the preform with silicon, the structural component is distinguished by different materials properties, in particular ductility and resistance to wear.
    • 制造纤维增强陶瓷结构部件的方法包括与碳化硅基体反应结合的耐高温纤维的步骤包括用热解粘合剂涂覆纤维束并固化粘合剂的步骤,产生纤维束的混合物 填充剂和粘合剂,压制混合物以产生压制体,在排除氧气的状态下热解压制体以形成多孔的含碳预制品,用硅熔体渗透预成型体以形成碳化硅基体,其中各种 生产的压制化合物含有不同质量,不同比例和不同涂层的纤维。 这些按压化合物在挤压模具的填充期间在压模中以不同的水平和不同的空间方向布置。 在压制之后,以这种方式制造的区域保留在压模中。 在用硅浸入预制件之后,结构部件的特征在于不同的材料性能,特别是延展性和耐磨性。