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Tribocorrosion Behavior of Ni-based Coating and Carbon-based Film Composite System
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Affiliation:

1.State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals,Lanzhou University of Technology;2.State Key Laboratory of Solid Lubrication,Lanzhou Institute of Chemical Physical,Chinese Academy of Science

Clc Number:

TH117.1

Fund Project:

National Natural Science Foundation of China (51674130); International Science and Technology Cooperation Projects of National Key Research and Development Program (2016YFE0111400); The project was supported by Gansu Special Commissioner Program for International Scientific and Technological Cooperation (17JR7WA017); Key Research and Development Project of Gansu Province (17YF1WA159)

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    Abstract:

    Three kinds of diamond-like carbon-based films of a-C, a-C:H and a-C:Cr were deposited by unbalanced magnetron sputtering technique on 316L steel and Ni60C spray-welding coating, respectively. Tribocorrosion resistance in 5 wt% sulfuric acid solution of two different protective systems were investigated. The result indicate that the carbon-based films deposited on Ni60C spray-welding coating show a significant improved adhesion and wear resistance compared with the one deposited on 316L. The friction coefficient and corrosion wear rate of the DLC films deposited on Ni60C spray-welding coatings were 0.05 ~ 0.14 and 0.66×10-8 ~ 5.7×10-8 mm3/N?m, respectively. The improvement of abrasion resistance of composite system was attributed to the Ni60C spray-welding coating as a hard support layer which can improve the bearing capacity of the DLC films, the graphitization process of DLC films in the process of tribocorrosion test was effectively inhibited.

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[Ren Wei, Li Wensheng, Ma Qin, He Dongqing, Zhang Guanan, Shang Lunlin, Li Xuqiang, Zhai Haimin. Tribocorrosion Behavior of Ni-based Coating and Carbon-based Film Composite System[J]. Rare Metal Materials and Engineering,2020,49(4):1379~1387.]
DOI:10.12442/j. issn.1002-185X.20190008

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History
  • Received:January 03,2019
  • Revised:February 23,2019
  • Adopted:February 26,2019
  • Online: May 07,2020
  • Published: