C/C-SiC陶瓷制动材料的研究现状与应用

通过分析合成材料、粉末冶金材料、C/C和C/C-SiC复合材料等摩擦材料的特点及其性能,指出C/C-SiC复合材料是一种能满足高速高能载制动的高性能陶瓷制动材料.综述了先驱体转化法、化学气相浸渗法和反应熔体浸渗法制备C/C-SiC复合材料的优点及其不足,指明了反应熔体浸渗工艺是一种具有市场竞争力的工业化生产技术.介绍了我国研制的C/C-SiC陶瓷制动材料的组织结构、力学性能、摩擦磨损性能及其应用,并对C/C-SiC陶瓷制动材料的性能特点进行了评述.

Progress and application of C/C-SiC ceramic braking materials

By comparing and analyzing the characteristics and friction properties of the compounds materials, the powder metallurgy materials, carbon/carbon and C/C-SiC composites, it is concluded that C/C-SiC composites is a high property ceramic friction materials which can meet the requirement of high speed and high energy braking. The main advantages and shortage of liquid polymer infiltration method, chemical vapor infiltration method, and reactive melt infiltration method for fabricating C/C-SiC braking materials are summarized, and reactive melt infiltration method is a promising industrialization technology. The microstructure, mechanical properties, friction and wear properties, and application of C/C-SiC composites made in China are introduced. The property characteristic of C/C-SiC ceramic braking materials are reviewed.