Sliding of spherical ball on solid lubricating coating combined with wear process

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Marcin Białas
Jan Maciejewski
Stanisław Kucharski


In present paper we show results of ball-on-disk wear experiment of MoS2 film deposited on Ti6Al4V substrate. The ball materials is aluminum oxide. The tests are performed for different surrounding temperature conditions: 20 oC, 200 oC and 350 oC. It is shown that depth of the wear groove increases with increasing surrounding temperature. A finite element modeling approach is next developed to mimic the experimental observations of ball-on-disk wear process. It is based on the assumption of steady state condition developed during short time scale at contact region. The steady state results can next be applied to long time scale in which wear process is numerically simulated. Model results are compared with experimentally obtained wear groove and show satisfactory agreement.


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M. Białas, J. Maciejewski, and S. Kucharski, “Sliding of spherical ball on solid lubricating coating combined with wear process”, Weld. Tech. Rev., vol. 93, no. 1, pp. 39-50, Feb. 2021.
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