Journal
TRIBOLOGY INTERNATIONAL
Volume 77, Issue -, Pages 7-14Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2014.04.008
Keywords
Tribological behavior; Brake pair; Carbon/carbon composites; Carbon/silicon carbide composites
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Funding
- State Key Laboratory of Solidification Processing (NWPU), China [46-QP-2009]
- NPU Foundation for Fundamental Research [NPU-FFR-JC20110243]
- 111 project [B08040]
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Tribological properties of C/SiC-C/C pair have been systematically investigated in dry, fresh water, sea water and static conditions. The static coefficient of friction (COF) has a great increase compared with C/C-C/C. Also, C/SiC-C/C is less susceptible to fresh water and sea water. The friction mechanism is a synergism of plough effect and surface molecular interactions. Plough effect ensures better friction properties than C/C-C/C. For C/SiC-C/C, C/SiC disk is almost not worn, allowing C/SiC disk for brake assembly to be thinner. With same size and amount of disks, brake assembly using C/SiC-C/C pair can be much lighter than that using C/SiC-C/SiC pair. In conclusion, C/SiC-C/C pair can well meet the requirements of high performance and light weight of aircraft brake applications. (C) 2014 Elsevier Ltd. All rights reserved.
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