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Wear and Coefficient of Friction of a Supermodified Hypereutectic Aluminum–Silicon Alloy

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Abstract

The friction coefficient and the wear of a hypereutectic aluminum alloy with 15 wt % silicon and a supermodified eutectic structure without primary silicon crystals, obtained by directional crystallization at a solidification rate of 1 mm/s, are studied. It is shown that this alloy, which has high strength and ductility, has a lower friction coefficient and a higher wear resistance than the alloy with 20 wt % silicon. After modification with strontium, its tribological properties are superior to those of the hypereutectic commercial alloy.

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Authors and Affiliations

  1. Ioffe Institute, 194021, St. Petersburg, Russia

    V. N. Osipov & S. P. Nikanorov

  2. Institute for Problems in Mechanical Engineering, Russian Academy of Sciences, 199178, St. Petersburg, Russia

    Yu. A. Fadin

Authors
  1. V. N. Osipov
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  2. Yu. A. Fadin
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  3. S. P. Nikanorov
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Correspondence to S. P. Nikanorov.

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Translated by E. Chernokozhin

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Osipov, V.N., Fadin, Y.A. & Nikanorov, S.P. Wear and Coefficient of Friction of a Supermodified Hypereutectic Aluminum–Silicon Alloy. Tech. Phys. 65, 1981–1986 (2020). https://doi.org/10.1134/S1063784220120191

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  • DOI: https://doi.org/10.1134/S1063784220120191

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