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Plasma-sprayed amorphous–crystalline coatings based on TiO2, SiO2, Al2O3, and ZrO2 oxides

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Abstract

The results of studies of composites based on TiO2, SiO2, Al2O3, and ZrO2 oxides used as conglomerated powders (microcomposites) and plasma-sprayed coatings made therefrom have been summarized. It has been shown that, for the first time in the practice of thermal spraying, high-density gradientamorphous–crystalline ceramic coatings reinforced with ultradispersed stishovite phases were obtained. Inclusions with amorphous shells were detected. The effect of the particle size and composition of the initial microcomposites on the phase composition of the sprayed layers was investigated.

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Authors and Affiliations

  1. Institute of Solid-State Chemistry, Ural Branch, Russian Academy of Sciences, ul. Pervomaiskaya 91, Yekaterinburg, 620990, Russia

    G. P. Shveikin

  2. Institute of Training and Retraining of Personnel in New Areas of Development of Technics, Technology, and Economics, Belarussian National Technological University, Partizanskii pr. 77, k. 10, Minsk, 220107, Belarus

    N. A. Rudenskaya & M. V. Rudenskaya

Authors
  1. G. P. Shveikin
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  2. N. A. Rudenskaya
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  3. M. V. Rudenskaya
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Correspondence to G. P. Shveikin.

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Original Russian Text © G.P. Shveikin, N.A. Rudenskaya, M.V. Rudenskaya, 2015, published in Doklady Akademii Nauk, 2015, Vol. 464, No. 5, pp. 578–583.

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Shveikin, G.P., Rudenskaya, N.A. & Rudenskaya, M.V. Plasma-sprayed amorphous–crystalline coatings based on TiO2, SiO2, Al2O3, and ZrO2 oxides. Dokl Chem 464, 246–251 (2015). https://doi.org/10.1134/S0012500815100031

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  • DOI: https://doi.org/10.1134/S0012500815100031

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