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Influence Of Femtosecond-Laser-Induced Periodic Surface Structures On The Tribological Performance Of Cvd Nano-Crystalline Diamond Films

Author

Listed:
  • YUXIAO CUI

    (School of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin 300222, P. R. China‡Tianjin High-end Intelligent Machine Tool Engineering Research Center, Tianjin University of Technology and Education, Tianjin 300222, P. R. China)

  • PING GUO

    (School of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin 300222, P. R. China)

  • YANLING TIAN

    (��School of Mechanical Engineering, Tianjin University, Tianjin 300072, P. R. China)

  • DAWEI ZHANG

    (��School of Mechanical Engineering, Tianjin University, Tianjin 300072, P. R. China)

  • HOUJUN QI

    (School of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin 300222, P. R. China)

  • YUJUN CAI

    (School of Mechanical Engineering, Tianjin University of Technology and Education, Tianjin 300222, P. R. China)

Abstract

Laser-induced periodic surface structures (LIPSS, ripples) are generated on CVD nano-crystalline diamond (NCD) films by femtosecond laser irradiation in air (pulse duration 200 fs and central wavelength 1040 nm). The experimental conditions (laser fluence and spatial spot overlap) are optimized to obtain a 3 × 3 mm2 area covered with homogenous LIPSS. Then, the influence of LIPSS on the frictional performance of NCD films is investigated by dry reciprocating ball-on-disc tests, where ZrO2 ceramic balls are used as counterparts. The results show that the friction behavior is very sensitive to the orientation of nano-structured ripples in LIPSS. The frictional coefficient can be greatly reduced when the sliding direction is parallel to the orientation of the nano-structured ripples, indicating potential benefit of LIPSS on NCD films for frictional applications.

Suggested Citation

  • Yuxiao Cui & Ping Guo & Yanling Tian & Dawei Zhang & Houjun Qi & Yujun Cai, 2022. "Influence Of Femtosecond-Laser-Induced Periodic Surface Structures On The Tribological Performance Of Cvd Nano-Crystalline Diamond Films," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 29(05), pages 1-8, May.
    • Handle: RePEc:wsi:srlxxx:v:29:y:2022:i:05:n:s0218625x22500688
    DOI: 10.1142/S0218625X22500688
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