INFLUENCE OF THE MECHANICAL PROPERTIES ON THE WEAR BEHAVIOR OF a-C FILMS: AN ENERGY DESCRIPTION

Li Guo (), Mingjiong Zhang, Jianqiang Hu, Zhibin Lu, Guangan Zhang and Xin Xu
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Li Guo: Department of Aviation Oil and Material, Air Force Logistic College, Xuzhou 221000, P. R. China
Mingjiong Zhang: #x2020;State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China‡University of Chinese Academy of Sciences, Beijing 100039, P. R. China
Jianqiang Hu: Department of Aviation Oil and Material, Air Force Logistic College, Xuzhou 221000, P. R. China
Zhibin Lu: #x2020;State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
Guangan Zhang: #x2020;State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
Xin Xu: Department of Aviation Oil and Material, Air Force Logistic College, Xuzhou 221000, P. R. China

Surface Review and Letters (SRL), 2020, vol. 27, issue 03, 1-8

Abstract: An energy dissipation model was raised, including the influence of film properties, counterpart, contact stress and adhesion strength between film and substrate. A new plastic deformation-tendency index was introduced. The new index was more appropriate in predicting the wear behavior of a-C films than hardness and H/E. Particularly, the critical value of the new index existed for film failure in the friction test. Realizing the limitation of the model, some improvement directions of the model were also discussed in this study.

Keywords: DLC; plastic index; hardness; H/E; energy model; wear (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1142/S0218625X19501178

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