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Improvement of Tribotechnical Parameters of Bronze Parts by Applying a Molybdenum Coating

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Abstract—

The results of experimental determination of the wear intensity coefficient and the friction coefficient in the steel-bronze BrNBT and steel–molybdenum coating contact are shown. To determine the tribotechnical parameters of the coating, experiments were carried out on a Tribometer TRB automated friction machine of the Swiss company ANTON PAAR according to the ball–disk scheme. It is shown that the average coefficient of friction for a sample with a molybdenum coating is almost two times lower than for a sample without a coating. With the help of the SURTRONIC 25 profile meter, a profilogram was obtained to determine the coefficient of wear intensity. At a run of 50,000 m, the coefficient of wear intensity for a sample made of BrNBT material without coating at a maximum contact voltage of 507 MPa is 2.48 × 10–4 mm3/m, and for a sample with a molybdenum coating was 1.98 × 10–5 mm3/m, which is 12.5 times less. Recommendations for the use of a molybdenum antifriction coating are given.

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Authors and Affiliations

  1. Samara National Research University, 443086, Samara, Russia

    V. B. Balyakin, S. V. Falaleev, D. E. Dolgih & A. A. Yurtaev

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  1. V. B. Balyakin
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  2. S. V. Falaleev
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  3. D. E. Dolgih
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  4. A. A. Yurtaev
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Correspondence to V. B. Balyakin.

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Balyakin, V.B., Falaleev, S.V., Dolgih, D.E. et al. Improvement of Tribotechnical Parameters of Bronze Parts by Applying a Molybdenum Coating. J. Frict. Wear 44, 150–155 (2023). https://doi.org/10.3103/S1068366623030030

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  • DOI: https://doi.org/10.3103/S1068366623030030

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