碳陶刹车材料的研究进展

Research Progress of Carbon/Silicon Carbide Brake Materials

碳陶(C/SiC)刹车材料是近年来发展的一种新型刹车材料,具有密度低、耐高温、摩擦性能高且稳定等优点,在高速列车、飞机等高能刹车领域具有广泛的应用前景。刹车材料是结构/功能一体化材料,纤维预制体结构对材料的热物理性能、摩擦磨损性能和力学性能有很大影响。针对不同预制体类型,对C/SiC刹车材料的制备、微结构和摩擦磨损性能进行了系统介绍。同时,介绍了C/SiC刹车材料的改性方法。

Carbon/silicon carbide （C/SiC） composites are new type of brake materials developed recently. C/SiC composites possess excellent properties, such as low density. good resistance to high temperature and high and stable frictional properties. C/SiC composites are promising brake materials in the field of high energy such as high speed trains and aircraft. Brake materials are structural-functional integration materials. The structure of fiber preform has a great influence on the thermo-physical properties, friction and wear properties and mechanical properties of materials. Preparation, microstructure and tribological properties of C/SiC with different performs are systematically introduced. Also, the modified methods of C/SiC brake materials are described.