制动用C/C-SiC复合材料摩擦学性能研究现状

C/C-SiC复合材料是高速制动材料的优良候选材料。摩擦磨损性能是衡量制动材料的主要性能指标,也是制约材料进一步应用的主要因素。主要从材料微观结构和成分以及工况条件对C/C-SiC复合材料的摩擦磨损性能的影响两方面阐述了C/C-SiC复合材料摩擦磨损性能的研究现状;分析了影响C/C-SiC复合材料摩擦磨损性能的主要材料因素和工况条件;讨论了各自影响机制;并提出了进一步提高C/C-SiC复合材料摩擦磨损性能和使役安全所需解决的问题。

Recent Researches on Tribological Properties of C/C-SiC Composite for Brake

C/C-SiC composite has been demonstrated to be the top choice as the advanced brake system. Friction and wear properties are the most important properties of brake materials, and the key barrier to widespread tribological application of C/C-SiC ceramic matrix composite. The main results and conclusions concerning the effects of microstructure, composition and service conditions on the tribological properties of C/C-SiC composite are summarized and analyzed. The friction and wear mechanisms of C/C-SiC composite under different conditions are discussed. The problems that need to be studied to further improve the tribological performance and security of C/C-SiC composite are indicated.