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DETONATION SPRAYING OF COPPER PRETREATED WITH HIGH-ENERGY IMPACTS

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

Copper powder spraying is under study: the PMS-1 feedstock copper, the copper that is mechanically milled in a high-energy planetary mill, and the copper that is also spheroidized in a plasma jet. High-density copper coatings are obtained using a CCDS2000 detonation facility. The Vickers microhardness of coatings \(H_{{\mathrm V}_{0.1}}\), obtained from feedstock and mechanically milled copper powders, increases from 110 to 160 and from 150 to 185, respectively, and the microhardness of coatings from the spheroidized powder is \(H_{{\mathrm V}_{0.1}}=165\). An X-ray phase analysis is carried out, and the resulting data indicate that, during the spraying, the copper oxide is partially reduced.

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Authors and Affiliations

  1. Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences (ITAM SB RAS), 630090, Novosibirsk, Russia

    A. E. Chesnokov, A. V. Smirnov & T. M. Vidyuk

  2. Lavrentyev Institute of Hydrodynamics, 630090, Novosibirsk, Russia

    I. S. Batraev

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  1. A. E. Chesnokov
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  2. A. V. Smirnov
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  3. I. S. Batraev
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  4. T. M. Vidyuk
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Correspondence to A. E. Chesnokov.

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Chesnokov, A.E., Smirnov, A.V., Batraev, I.S. et al. DETONATION SPRAYING OF COPPER PRETREATED WITH HIGH-ENERGY IMPACTS. J Appl Mech Tech Phy 61, 1042–1047 (2020). https://doi.org/10.1134/S0021894420060188

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  • DOI: https://doi.org/10.1134/S0021894420060188

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