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Micro-Tribological Behavior of Boron Carbide Self-Mated Pairs

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Abstract:

Tribological behavior of B4C-SiC self-mated pairs was studied, and pre-oxidation treatment was adopted to improve the tribological properties of B4C-SiC. At the same SiC content, self-friction coefficient of B4C-SiC decreases with the increase of sliding distance, normal load, and sliding velocity; while the increasing of SiC content leads to increase of both self-friction coefficient and ware rate, which was determined to be within the range of 0.8×10-6~5.8×10-6 mm3·N-1·m-1. Pre-oxidation treatment of the B4C-SiC resulted in the formation of B2O3/H3BO3 lubricant layers, which effectively reduced the self-friction coefficient.

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Periodical:

Key Engineering Materials (Volumes 336-338)

Pages:

1740-1742

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.336-338.1740

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Online since:

April 2007

Authors:

Fang Wu, Sheng Ming Xu, Song Zhe Chen, Lin Yan Li, Gang Xu, Ling Sen Wang

Keywords:

Boron Carbide, Silicon Carbide (SiC), Tribology

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

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