Microstructure and properties of 3D needle-punched carbon/silicon carbide brake materials

Shangwu Fan, Litong Zhang, Yongdong Xu, Laifei Cheng, Jianjun Lou, Junzhan Zhang, Lin Yu

科研成果: 期刊稿件文章同行评审

155 引用 (Scopus)

摘要

The carbon/silicon carbide brake materials were prepared by chemical vapor infiltration (CVI) combined with liquid melt infiltration (LMI). The carbon fiber preform was fabricated with the three dimension needling method. The microstructure, mechanical, thermophysical, and frictional properties of C/SiC composites were investigated. The results indicated that the composites were composed of 65 wt%C, 27 wt%SiC, and 8 wt%Si. The density and porosity were 2.1 g cm-3 and 4.4%, respectively. The C/SiC brake materials exhibited excellent toughness. The average dynamic friction coefficient and static friction coefficient of the materials were about 0.34 and 0.41, respectively. The friction coefficient was stable. The fade ratio of the friction coefficient under moist conditions was about 2.9%. The linear wear rate was less than 1.9 μm side-1 cycle-1. These results show that C/SiC composites have excellent properties for use as brake materials for aircraft.

源语言英语
页(从-至)2390-2398
页数9
期刊Composites Science and Technology
67
11-12
DOI
出版状态已出版 - 9月 2007

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