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Concentration effect of antifrictional additives on local elastic characteristics of randomly reinforced polymer composites

  • Realibility, Strength, and Wear Resistance of Machines and Structures
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Abstract

The problem of numerical simulation is solved for operators (tensors) of the stress and strain concentrations, which are related material-average stresses and strains with their local values in epoxyphenolic composites reinforced randomly by short polyimide fibers with antifrictional dispersed additives of polytetrafluoroethylene. Simulation is based on the generalized singular approximation of random field theory. The dependences of mentioned operators on the percentage of isotropic components are investigated. It is shown that an increase in the antifrictional additive concentration with a fixed fiber concentration does not result in a substantial decrease in the local elastic characteristics of the composite.

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Authors and Affiliations

  1. Rostov State University of Communication Lines, pl. Rostovskogo Strelkovogo Polka Narodnogo Opolcheniya 2, Rostov-on-Don, Rostov oblast, 344038, Russia

    V. I. Kolesnikov & I. V. Kolesnikov

  2. National Research University of Electronic Technology (MIET), pl. Shokina 1, Zelenogradskii okrug, Moscow, 124498, Russia

    V. V. Bardushkin & V. B. Yakovlev

  3. Southern Scientific Center, Russian Academy of Sciences, pr. Chekhova 41, Rostov-on-Don, Rostov oblast, 344006, Russia

    A. P. Sychev

Authors
  1. V. I. Kolesnikov
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  2. V. V. Bardushkin
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  3. I. V. Kolesnikov
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  4. A. P. Sychev
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  5. V. B. Yakovlev
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Corresponding author

Correspondence to V. I. Kolesnikov.

Additional information

Original Russian Text © V.I. Kolesnikov, V.V. Bardushkin, I.V. Kolesnikov, A.P. Sychev, V.B. Yakovlev, 2016, published in Problemy Mashinostroeniya i Nadezhnosti Mashin, 2016, No. 4, pp. 67–74.

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Kolesnikov, V.I., Bardushkin, V.V., Kolesnikov, I.V. et al. Concentration effect of antifrictional additives on local elastic characteristics of randomly reinforced polymer composites. J. Mach. Manuf. Reliab. 45, 348–353 (2016). https://doi.org/10.3103/S1052618816040075

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  • DOI: https://doi.org/10.3103/S1052618816040075

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