Friction and wear behaviors of SiCNF modified carbon/carbon sealing materials | Zendy

Jie Chen | Zendy; Rutie Liu | Zendy; Xiang Xiong | Zendy

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Friction and wear behaviors of SiCNF modified carbon/carbon sealing materials

Author(s) -

Jie Chen,

Rutie Liu,

Xiang Xiong

Publication year - 2019

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.832

H-Index - 44

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2019.08.036

Subject(s) - materials science , composite material , chemical vapor infiltration , microstructure , silicon carbide , friction coefficient , carbide , carbon fibers , carbon nanofiber , composite number , carbon nanotube

Silicon carbide nanofibers grew on the surface of carbon fibers of a unidirectional carbon preform by CCVD and then chemical vapor infiltration was used to densify the preform to obtain SiCNF-C/C composites. The effects of Silicon carbide nanofibers on friction and wear properties of SiCNF-C/C composites were deeply analyzed. Results show that the friction and wear properties of SiCNF-C/C composites are well improved due to the melioration of microstructure after modified by SiCNFs. The friction coefficient of SiCNF-C/C composites is more stable along with friction speed than that of C/C composites, it maintains high even at high friction speed. The wear of SiCNF-C/C composites is much lower and more stable than that of C/C composites with the increase of friction speed, especially in the vertical direction.

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