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Experimental Justification of the Plasmatron Arc Heat Flow Impact on the Thermal Cycle of a Wear-Resistant Coating

  • EXPERIMENTAL MECHANICS, DIAGNOSTICS, AND TESTING
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Abstract

The results of experimental studies concerning the plasma fusing of wear-resistant coatings on the worn surfaces of hollow parts serving as bodies of revolution. The influence of the plasmatron arc heat flux on the thermal cycle of the deposited wear-resistant coating is substantiated experimentally. For the coating deposition, we took a mixture of compressed air and hot hydrocarbons as the plasma-forming gas. We show experimentally that, in order to select the optimal thermal cycle of plasma fusing and to obtain the desired mechanical properties of the applied wear-resistant coating, we should change the parameters of the plasma fusing mode. Here, the plasmatron oscillation amplitude influences the recovered part of the temperature. The optimal thermal cycle constantly keeps the surface of the part heated and thus creates conditions for obtaining less stressed structures of the recovered part.

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Authors and Affiliations

  1. Blagonravov Institute of Mechanical Engineering, Russian Academy of Sciences, 101000, Moscow, Russia

    S. V. Kartsev

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  1. S. V. Kartsev
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Correspondence to S. V. Kartsev.

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Translated by I. Dikhter

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Kartsev, S.V. Experimental Justification of the Plasmatron Arc Heat Flow Impact on the Thermal Cycle of a Wear-Resistant Coating. J. Mach. Manuf. Reliab. 51 (Suppl 1), S120–S125 (2022). https://doi.org/10.3103/S1052618822090084

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  • DOI: https://doi.org/10.3103/S1052618822090084

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