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Tribological properties of commercially pure copper with different microstructures, in contact with a graphitic material

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Abstract

In the present work, we report the results of tribological studies on commercially pure copper (Cu 99.9%) in contact a with graphitic material. The samples under study were made with two types of micro-structures, i.e., a coarse-grained (CG) microstructure with an average grain size of 20–60 μm after annealing and a submicrocrystalline (SMC) microstructure with an average grain size of 0.22 μm after severe plastic deformation (SPD) processing through equal-channel angular pressing (ECAP) via the Conform scheme. It has been shown that the SMC samples after ECAP-Conform processing reveal friction coefficients 12–20% lower than in the case of the annealed coarse-grained (CG) sample.

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Correspondence to V. I. Semenov.

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Original Russian Text © V.I. Semenov, S.-J. Huang, V.G. Shibakov, L.Sh. Shuster, S.N. Faizova, P.-Ch. Lin, 2015, published in Trenie i Iznos, 2015, Vol. 36, No. 2, pp. 154–160.

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Semenov, V.I., Huang, S.J., Shibakov, V.G. et al. Tribological properties of commercially pure copper with different microstructures, in contact with a graphitic material. J. Frict. Wear 36, 118–122 (2015). https://doi.org/10.3103/S1068366615020154

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  • DOI: https://doi.org/10.3103/S1068366615020154

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