Effect of pyrolytic carbon content on microstructure and tribological properties of C/C-SiC brake composites fabricated by isothermal chemical vapor infiltration

被引：26
作者：
Shi, Qilong [1 ]
Xiao, Peng [1 ]
机构：
[1] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Peoples R China
来源：
SOLID STATE SCIENCES | 2012年 / 14卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Ceramic-matrix composites; Friction/wear; Isothermal chemical vapor infiltration (ICVI); CARBIDE COMPOSITES; BEHAVIOR; MATRIX;
D O I：
10.1016/j.solidstatesciences.2011.10.010
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four types of C/C-SiC composites were prepared by isothermal chemical vapor infiltration (ICVI) of SiC on C/C preforms of different densities. Tribological properties of the composites were evaluated by using MM-1000 testing machine. The results indicated that the friction behaviors of the composites are a strong function of the content of pyrolytic carbon (in matrix). Moreover, friction film was formed on the surface and increased with pyrolytic carbon content. Debris originated of particulate and film-type have been observed after friction testing with ratio and size determined by the content of pyrolytic carbon. (C) 2011 Elsevier Masson SAS. All rights reserved.
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页码：26 / 34
页数：9
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