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Tribology Letters

, Volume 56, Issue 2, pp 231–237 | Cite as

Tribological Behaviors of Self-lubricating Coating Prepared by Electrospark Deposition

  • Tongkun CaoEmail author
  • Zhijian Xiao
Original Paper

Abstract

Cu/h-BN self-lubricating coating was prepared on AISI1045 steel by electrospark deposition. The friction coefficient and wear rates were measured using the ball-on-disk method, and the tribological behaviors were discussed. Results showed that the friction coefficient decreased with an increase in sliding speed and load. The wear rate decreased with an increase in sliding speed and increased with an increase in load. The self-lubricating coating exhibited much lower friction coefficient and wear rate than the uncoated mild steel under the test condition. SEM micrographs show that the main wear mechanisms of the self-lubricating coating are abrasive wear and fatigue wear.

Keywords

Self-lubricating coating Friction and wear Electrospark deposition Cu/h-BN 

Notes

Acknowledgments

This work is supported by “A Project of Shandong Province Higher Educational Science and Technology Program (J12LB11)” and “the Basic Research Program of Qingdao Science and Technology Project (11-2-4-3-(14)-jch).”

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.College of Electromechanical EngineeringQingdao University of Science and TechnologyQingdaoChina

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