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Friction of ultrathin Si, F-containing coatings

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Abstract

The friction of an ultrathin coating (~5 nm) formed as a result of the modifier segregation towards the surface of modified epoxy polymer in the form of multiple short chains of Si, F modifier has been investigated in a range of loads from 0.1000 to 0.0005 N. During the investigation of the reverse friction of ceramic (Al2O3) ball on the coating, the sharp decrease in coefficient of friction at a load of less than 0.002 N has been shown, which is probably caused by the change in the mechanism of friction during the transition of friction to the zone of a self-lubricating coating. Under these conditions, the difference between the static coefficient of friction (stop effect) and dynamic coefficient of friction increases.

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Authors and Affiliations

  1. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, 119991, Russia

    A. P. Krasnov, A. V. Naumkin & M. O. Panova

  2. Dukhov All-Russian Scientific Research Institute of Automatics, Moscow, 119017, Russia

    A. Yu. Pereyaslavtsev

  3. Priorov Central Scientific Research Institute of Traumatology and Orthopedics, Ministry of Health of the Russian Federation, Moscow, 127299, Russia

    N. S. Gavryushenko & V. G. Bulgakov

  4. Moscow Technological University (MIREA), Moscow, 107076, Russia

    G. A. Yudin & T. A. Kovaleva

Authors
  1. A. P. Krasnov
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  2. A. V. Naumkin
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  3. M. O. Panova
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  4. A. Yu. Pereyaslavtsev
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  5. N. S. Gavryushenko
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  6. V. G. Bulgakov
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  7. G. A. Yudin
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  8. T. A. Kovaleva
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Corresponding author

Correspondence to A. P. Krasnov.

Additional information

Original Russian Text © A.P. Krasnov, A.V. Naumkin, M.O. Panova, A.Yu. Pereyaslavtsev, N.S. Gavryushenko, V.G. Bulgakov, G.A. Yudin, T.A. Kovaleva, 2017, published in Trenie i Iznos, 2017, Vol. 38, No. 4, pp. 295–301.

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Krasnov, A.P., Naumkin, A.V., Panova, M.O. et al. Friction of ultrathin Si, F-containing coatings. J. Frict. Wear 38, 259–264 (2017). https://doi.org/10.3103/S1068366617040079

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  • DOI: https://doi.org/10.3103/S1068366617040079

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