Effect of graphitization on microstructure and tribological properties of C/SiC composites prepared by reactive melt infiltration

被引：61

作者：

Jiang, Guangpeng ^{[1
,2
]}

Yang, Jianfeng ^{[2
]}

Xu, Yongdong ^{[1
]}

Gao, Jiqiang ^{[2
]}

Zhang, Junzhan ^{[1
]}

Zhang, Litong ^{[1
]}

Cheng, Laifei ^{[1
]}

Lou, Jianjun ^{[1
]}

机构：

[1] NW Polytech Univ, Natl Key Lab Thermostruct Composite Mat, Xian 710072, Peoples R China

[2] Xian Jiaotong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2008年 / 68卷 / 12期

关键词：

Ceramic-matrix composites; Friction/wear; Graphitization; Liquid metal infiltration;

D O I：

10.1016/j.compscitech.2008.04.025

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Carbon fiber reinforced SiC matrix (C/SiC) composites for use in future advanced braking systems were prepared by reactive melt infiltration with and without graphitization before siliconizing. The effect of graphitization on tribological properties of C/SiC composites was studied by simulating the normal landing of aircraft. The results showed that a dense microstructure and high thermal diffusivity were obtained by the graphitization. After braking tests, high and stable coefficient of friction could be obtained, due to the formation of uniform and continuous debris film on the rubbing surface of the graphitized samples. Simultaneously, the wear rate was slightly higher because of the high coefficient of friction, but still lower than the results in other researches. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：2468 / 2473

页数：6

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