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Tribological properties of MoS2 and carbon fiber reinforced polyimide composites

Journal of Materials Science volume 43, pages 4567–4572 (2008)Cite this article

Abstract

The tribological properties of carbon fiber reinforced polyimide (PI) composites with different MoS2 containing sliding against GCr15 steel were comparatively evaluated on an M-2000 model ring-on-block test rig. The wear mechanisms were also comparatively discussed, based on scanning electron microscopic examination of the worn surface of the PI composites and the transfer film formed on the counterpart. It was found that small incorporation of MoS2 was harmful to the improvement of friction and wear behaviors of carbon fiber reinforced PI composites. However, it was found that the increasing filler of MoS2 significantly improved the wear resistance and decreased the friction coefficient of carbon fiber reinforced PI composites. It was also found that the tribological properties of MoS2 and short carbon fiber reinforced PI composites were closely related with the sliding condition such as sliding rate and applied load.

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Acknowledgements

The authors would like to acknowledge the financial support of the Innovative Group Foundation from NSFC (Grant No. 50421502) and the National Natural Science Foundation of China (Grant No. 50475128) and the important direction project for the knowledge innovative engineering of Chinese Academy of Sciences (Grant No. KGCX3-SYW-205).

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Authors and Affiliations

  1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China

    X. R. Zhang, X. Q. Pei & Q. H. Wang

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  1. X. R. Zhang
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  2. X. Q. Pei
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  3. Q. H. Wang
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Correspondence to Q. H. Wang.

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Zhang, X.R., Pei, X.Q. & Wang, Q.H. Tribological properties of MoS2 and carbon fiber reinforced polyimide composites. J Mater Sci 43, 4567–4572 (2008). https://doi.org/10.1007/s10853-008-2699-6

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  • DOI: https://doi.org/10.1007/s10853-008-2699-6

Keywords

  • Friction Coefficient
  • Carbon Fiber
  • Wear Rate
  • MoS2
  • Wear Surface