短炭纤维增强C/C-SiC制动材料的摩擦磨损性能

来源期刊:中国有色金属学报2007年第8期

论文作者:肖鹏 杨阳 熊翔 旷文敏 姜四洲

文章页码:6 - 6

关键词:短炭纤维;C/C-SiC复合材料;摩擦磨损

Key words:short carbon fiber; C/C-SiC composite; friction and wear

摘    要:采用温压-原位反应法制备C/C-SiC复合材料,利用QDM150型摩擦试验机研究短炭纤维(SCF)长度和纤维体积分数对C/C-SiC制动材料摩擦磨损性能的影响。结果表明:C/C-SiC制动材料能够保持较高且稳定的摩擦因数;SCF的体积分数将影响C/C-SiC制动材料的摩擦磨损性能,纤维体积分数为10%时,材料具有适中的摩擦因数和较低的磨损率;SCF长度对C/C-SiC制动材料的摩擦磨损性能有显著影响,炭纤维长度为12 mm时,材料具有最佳的摩擦磨损性能。

Abstract:

C/C-SiC composites were manufactured by warm compacted-in suit reacted process. The influence of short carbon fiber length and content on the friction and wear behaviors of C/C-SiC composites was investigated using QDM-150 wear tester. The results show that C/C-SiC composites can keep high and stable friction coefficient. The friction and wear behaviors of C/C-SiC composites are affected by carbon fiber content. When the volume fraction of fiber is 10%, the material has moderate friction coefficient and lower wear rate. The length of carbon fibers significantly influences the friction and wear behaviors of C/C-SiC composites. When the length of carbon fiber is 12 mm, the material has the best friction and wear properties.

基金信息:湖南省杰出青年科学基金资助项目
国家高技术研究发展计划资助项目

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