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Wear of Quenched and Aged Cu–Be Alloy at Current Transfer

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Abstract

Sliding friction tests were carried out on quenched and aged unlubricated samples of C17200 beryllium bronze with and without the current flow through frictional contact. It is shown that the quenched samples are exposed to corrosion-mechanical wear by the oxidation of the friction surface, followed by the separation of wear particles as ultradispersed oxides. The wear of the aged sample is attended by the separation of big wear particles as a result of adhesive interaction. The application of electric current in sliding allows reducing the wear resistance of quenched bronze to 109.3 h/g as compared to the 143.9 h/g of the sample tested without current. The application of electricity results only in a negligible reduction in the wear resistance of the aged bronze samples from 86.6 to 77.8 h/g.

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ACKNOWLEDGMENTS

We thank V. V. Fadin for assistance in conducting the experiment. The test results by scanning electron microscopy were obtained in the Nanotech Shared Use Center at the Institute of Strength Physics and Materials Sciences (SB RAS) and in the Academic Center “Physics and Chemistry of High Energy Systems” at the Tomsk State University.

Funding

This work was written as part of the state task for the ISPMS SB RAS, project no. III.23.2.4.

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Authors and Affiliations

  1. Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia

    A. V. Kolubaev, O. V. Sizova, N. V. Teryukalova & Yu. A. Denisova

  2. Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia

    Yu. A. Denisova

Authors
  1. A. V. Kolubaev
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  2. O. V. Sizova
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  3. N. V. Teryukalova
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  4. Yu. A. Denisova
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Correspondence to A. V. Kolubaev.

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Translated by S. Kuznetsov

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Kolubaev, A.V., Sizova, O.V., Teryukalova, N.V. et al. Wear of Quenched and Aged Cu–Be Alloy at Current Transfer. J. Frict. Wear 41, 559–564 (2020). https://doi.org/10.3103/S1068366620060112

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  • DOI: https://doi.org/10.3103/S1068366620060112

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