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Structure and tribological behavior of nanocomposite C-Ti-WSe x coatings

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Abstract

Nanocomposite thin C-Ti-WSe x coatings, which contain antifriction (WSe x and amorphous carbon a-C) and hard (β-WC and TiC) components, are produced by pulsed laser deposition. In order to improve the tribological characteristics of the WSe x phase and to transform the structural state of the a-C matrix, alloying with titanium is used. The characteristics of the coatings are determined using the sliding of a steel ball at an increased humidity. A comparison of the characteristics of a composite C-Ti-WSe x coating and a carbon coating alloyed with titanium (a-C(Ti)) shows that the modification of the a-C matrix by introducing the WSe x phase leads to an increase in the coefficient of friction from 0.05 to 0.2; the wear of the composite coating is approximately six times higher than that of the a-C(Ti) coating. Possible solutions for improving the tribological characteristics of the composite C-Ti-WSe x coating in humid air are considered.

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Authors and Affiliations

  1. Moscow State University of Technology STANKIN, Vadkovskii per. 1, Moscow, 127994, Russia

    S. N. Grigoriev & M. A. Volosova

  2. National Research Nuclear University MEPhI, Kashirskoe sh. 31, Moscow, 115409, Russia

    R. I. Romanov & V. Yu. Fominski

  3. Training and Technical Center for Nanotechnologies, Nano- and Microsystem Engineering, Bauman Moscow State Technical University, Vtoraya Baumanskaya ul. 5, Moscow, 105005, Russia

    E. A. Zhukova

Authors
  1. S. N. Grigoriev
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  2. R. I. Romanov
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  3. V. Yu. Fominski
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  4. M. A. Volosova
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  5. E. A. Zhukova
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Corresponding author

Correspondence to V. Yu. Fominski.

Additional information

Original Russian Text © S.N. Grigoriev, R.I. Romanov, V.Yu. Fominski, M.A. Volosova, E.A. Zhukova, 2014, published in Trenie i Iznos, 2014, Vol. 35, No. 4, pp. 412–420.

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Grigoriev, S.N., Romanov, R.I., Fominski, V.Y. et al. Structure and tribological behavior of nanocomposite C-Ti-WSe x coatings. J. Frict. Wear 35, 263–269 (2014). https://doi.org/10.3103/S1068366614040047

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  • DOI: https://doi.org/10.3103/S1068366614040047

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