Tribological Behaviors and Anti-wear Mechanisms of Carbon/Carbon-silicon Carbide Composites

doi:10.3724/SP.J.1077.2013.12745

Journal of Inorganic Materials ›› 2013, Vol. 28 ›› Issue (10): 1057-1061.DOI: 10.3724/SP.J.1077.2013.12745

• Research Paper • Previous Articles Next Articles

Tribological Behaviors and Anti-wear Mechanisms of Carbon/Carbon-silicon Carbide Composites

ZHOU Hai-Jun^1,2, DONG Shao-Ming^1,2, HE Ping^1,2,3, HU Jian-Bao^1,2, WU Bin^1,3

(1. Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics Chinese Academy of Sciences, Shanghai 200050, China; 2. State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences, Shanghai 200050, China; 3. University of Chinese Academy of Sciences, Beijing 100049, China)

Received:2012-12-10 Revised:2013-01-04 Published:2013-10-20 Online:2013-09-18
Supported by:
Scientific Research Project of Shancheng District of Foshan City

Abstract

Abstract: C/C-SiC composites were prepared by liquid silicon infiltration (LSI) process. The tribological properties were investigated using MMW-1A and MM-1000 test machine, respectively. Under experimental conditions, the rotation speed had limited impact on the tribological properties of C/C-SiC composites when the pressure was 0.48 MPa. The pressure had approximately the same effect on the wear rate when the rotation speed was 0.3 m/s. The wear mechanism was mainly abrasive grain wear. While under real brake conditions, the coefficient of friction (COF) of C/C-SiC composites reached 0.50 and the wear rate was up to 5.95 mg/times. The COF curves showed the typical saddle shapes brake curves. Abrasive grain wear mechanism and adhere wear mechanism appeared in the early and last stages in real brake conditions.

Key words: C/C-SiC composites, liquid silicon infiltration process, friction and wear properties

CLC Number:

TB332

ZHOU Hai-Jun, DONG Shao-Ming, HE Ping, HU Jian-Bao, WU Bin. Tribological Behaviors and Anti-wear Mechanisms of Carbon/Carbon-silicon Carbide Composites[J]. Journal of Inorganic Materials, 2013, 28(10): 1057-1061.

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Tribological Behaviors and Anti-wear Mechanisms of Carbon/Carbon-silicon Carbide Composites

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