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Modification of the Bearing Interfaces of a TKR7С-6 Turbocharger

  • EXPERIMENTAL MECHANICS, DIAGNOSTICS, AND TESTING
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Abstract

This article explores the possibility of enhancing the functionality of TKR7С-6 turbochargers by creating new friction pairs in bearing interfaces using ultrasolid ceramic coatings. According to the tests, the most efficient combination of materials for slider bearings is the friction pair including the ultrasolid B4C-BN coating and BrAZH9-4 bronze. Used in the TKR7С-6 turbocharger, this pair allows reducing the friction coefficient in bearing interfaces, which decreases the wear intensity as compared with the standard bearing assemblies in the turbocharger. A low friction coefficient positively affects the spinning dynamics of the turbo shaft and the ICE crankshaft. The test results can be used in engine building and maintenance production.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 19-79-20012.

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Authors and Affiliations

  1. Izhevsk State Agricultural Academy, 426069, Izhevsk, Udmurtia, Russia

    A. G. Ipatov & A. G. Ivanov

  2. Udmurt State University, 426034, Izhevsk, Udmurtia, Russia

    E. V. Kharanzhevskii

Authors
  1. A. G. Ipatov
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  2. E. V. Kharanzhevskii
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  3. A. G. Ivanov
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Correspondence to A. G. Ipatov.

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The authors declare that they have no conflict of interest.

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Translated by S. Kuznetsov

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Ipatov, A.G., Kharanzhevskii, E.V. & Ivanov, A.G. Modification of the Bearing Interfaces of a TKR7С-6 Turbocharger. J. Mach. Manuf. Reliab. 49, 545–549 (2020). https://doi.org/10.3103/S1052618820060047

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  • DOI: https://doi.org/10.3103/S1052618820060047

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