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Structure and Efficiency of Gas-Dynamic Deposition of Hybrid Coatings Based on a Nanocrystalline Aluminum Matrix

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Metallurgist Aims and scope

Gas-dynamic deposition of mechanically synthesized hybrid powders based on a nanocrystalline matrix AMg2 strengthened by nanocrystalline graphite and micro-sized Al2O3 particles is performed. The effect of Al2O3 content in a charge, varied in the range of 10–90 wt.%, on the grain size composition of the synthesized hybrid powder is studied. The structure-phase composition of synthesized hybrid powders and formed coatings was studied by X-ray diffraction analysis. Quantitative estimates are obtained of the Al2O3 content in the hybrid coatings formed. The influence of Al2O3 content in the powder on the efficiency of the gas-dynamic spraying of a hybrid coating is determined. The rational content of Al2O3 in powder is determined ensuring efficient hybrid coating deposition.

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Research was conducted with RFFI financial support within the scope of scientific project 16–48-330156 p_a.

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Authors and Affiliations

  1. FGBOU VO A. G. Stoletov and N. G. Stoletov Vladimir State University, Vladimir, Russia

    A. V. Aborkin, A. V. Kireev & A. V. Sobol’kov

  2. FGBU of Science A. G. Merzhanov Institute of Macrokinetics and Materials Science, Chernogolovka, Moscow Region, Russia

    M. I. Alymov

  3. FGBU A. A. Blagonravov Engineering Institute, Moscow, Russia

    V. E. Arkhipov

Authors
  1. A. V. Aborkin
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  2. M. I. Alymov
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  3. A. V. Kireev
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  4. A. V. Sobol’kov
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  5. V. E. Arkhipov
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Correspondence to A. V. Aborkin.

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Translated from Metallurg, Vol. 62, No. 8, pp. 73–77, November 2018.

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Aborkin, A.V., Alymov, M.I., Kireev, A.V. et al. Structure and Efficiency of Gas-Dynamic Deposition of Hybrid Coatings Based on a Nanocrystalline Aluminum Matrix. Metallurgist 62, 809–814 (2018). https://doi.org/10.1007/s11015-018-0723-x

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  • DOI: https://doi.org/10.1007/s11015-018-0723-x

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