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Formation of a microcomposite structure in the surface layer of yttrium-doped titanium

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Abstract

Surface layers containing oxides and carbides of titanium and yttrium are prepared by the electroexplosive doping of titanium with yttrium. The subsequent electron-beam irradiation leads to dispersion of the structure to a nano- and submicron state. The formation of two types of eutectics is revealed using scanning electron microscopy. The eutectics enriched in titanium and yttrium have a globular and plate-like shape, respectively. The formation of a modified surface layer (enriched in yttrium, carbides and oxides of titanium and yttrium) leads to a threefold increase in the microhardness of the titanium, a more than twofold decrease in the friction coefficient of the doped layer, and a more than 2.8-fold decrease in the wear rate.

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Authors and Affiliations

  1. Siberian State Industrial University, Novokuznetsk, 654007, Russia

    K. V. Sosnin, S. V. Raikov, V. E. Gromov, E. A. Budovskikh & E. S. Vashchuk

  2. Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia

    Yu. F. Ivanov

  3. National Research Tomsk State University, Tomsk, 634034, Russia

    Yu. F. Ivanov

Authors
  1. K. V. Sosnin
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  2. S. V. Raikov
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  3. V. E. Gromov
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  4. Yu. F. Ivanov
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  5. E. A. Budovskikh
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  6. E. S. Vashchuk
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Corresponding author

Correspondence to V. E. Gromov.

Additional information

Original Russian Text © K.V. Sosnin, S.V. Raikov, V.E. Gromov, Yu.F. Ivanov, E.A. Budovskikh, E.S. Vashchuk, 2015, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2015, No. 4, pp. 66–71.

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Sosnin, K.V., Raikov, S.V., Gromov, V.E. et al. Formation of a microcomposite structure in the surface layer of yttrium-doped titanium. J. Surf. Investig. 9, 377–382 (2015). https://doi.org/10.1134/S1027451015020391

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  • DOI: https://doi.org/10.1134/S1027451015020391

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