Formation of the microgeometry of the wear surface of electrometallized coatings during sliding friction |
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| Authors: | G. G. Vinokurov O. N. Popov N. F. Struchkov |
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| Affiliation: | (1) State Key Laboratory of Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an, 710049, People’s Republic of China;(2) School of Materials Science and Engineering, Xi’an University of Technology, Xi’an, 710048, People’s Republic of China; |
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| Abstract: | The laws of wear are experimentally studied in the course of the sliding friction of gas-thermal coatings formed by spraying during electric-arc metallization using powdered wires. The microgeometry of the wear surfaces of these coatings is found to correctly reflect the stages of wear. A theoretical probabilistic approach is proposed to describe the microgeometries of the electrometallized coatings and the counterbody material under steady-state wear conditions. According to this approach, the structure of the wear surface is described by the root-mean-square and the arithmetical-mean deviations of the surface profile from a plane determined by the average linear wear. |
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