中文

Journal of Shanghai University >

2018 , Vol. 24 >Issue 6: 947 - 954

DOI: https://doi.org/10.12066/j.issn.1007-2861.1881

Research Paper

Tribology properties of C/C composites under different conditions

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  • 1. Research Center of Composite Materials, Shanghai University, Shanghai 200072, China
    2. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China

Received date: 2017-01-11

  Online published: 2018-12-26

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Abstract

Tribology properties of C/C composites under different load and condition were tested by MM-W1 vertical universal friction and wear tester. The surface microstructure after tests were observed with scanning electron microscopy (SEM). The results show that all friction coefficients under dry, water and oil conditions gradually increased with time, and then remains stable. The friction coefficient decreases with the increasing load under a dry condition. The friction coefficient reaches maximum and the mass lose reaches minimum under a dry condition with the same load. A complete and smooth wear debris film is formed under a dry condition, effectively reducing contact between the C/C composites and friction parts, leading to a decreased wear rate. The lubricating film in the water and oil situation reduces the friction coefficient, but hinders the formation of wear debris film, resulting in an increased wear rate.

Key words： C/C composites; tribology property; wear debris film; lubricate; wear rate

Cite this article

FU Hongshan, YANG Min, REN Musu, LI Hong, ZHANG Jiabao, WEI Xicheng, SUN Jinliang . Tribology properties of C/C composites under different conditions[J]. Journal of Shanghai University, 2018 , 24(6) : 947 -954 . DOI: 10.12066/j.issn.1007-2861.1881

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