Zhuan Li, Peng Xiao,  and Xiang Xiong, Preparation and properties of C/C-SiC brake composites fabricated by warm compacted-in situ reaction, Int. J. Miner. Metall. Mater., 17(2010), No. 4, pp. 500-505. https://doi.org/10.1007/s12613-010-0348-y
Cite this article as:
Zhuan Li, Peng Xiao,  and Xiang Xiong, Preparation and properties of C/C-SiC brake composites fabricated by warm compacted-in situ reaction, Int. J. Miner. Metall. Mater., 17(2010), No. 4, pp. 500-505. https://doi.org/10.1007/s12613-010-0348-y

Preparation and properties of C/C-SiC brake composites fabricated by warm compacted-in situ reaction

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  • Corresponding author:

    Zhuan Li    E-mail: li_zhuan@yahoo.com.cn

  • Received: 12 August 2009Revised: 28 August 2009Accepted: 2 September 2009
  • Carbon fibre reinforced carbon and silicon carbide dual matrix composites (C/C-SiC) were fabricated by the warm compacted-in situ reaction. The microstructure, mechanical properties, tribological properties, and wear mechanism of C/C-SiC composites at different brake speeds were investigated. The results indicate that the composites are composed of 58wt% C, 37wt% SiC, and 5wt% Si. The density and open porosity are 2.0 g·cm-3 and 10%, respectively. The C/C-SiC brake composites exhibit good mechanical properties. The flexural strength can reach up to 160 MPa, and the impact strength can reach 2.5 kJ·m-2. The C/C-SiC brake composites show excellent tribological performances. The friction coefficient is between 0.57 and 0.67 at the brake speeds from 8 to 24 m·s-1. The brake is stable, and the wear rate is less than 2.02×10-6 cm3·J-1. These results show that the C/C-SiC brake composites are the promising candidates for advanced brake and clutch systems.
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