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Elastic Dipoles in Crystal and Glassy Aluminum and High-Entropy Fe20Ni20Cr20Co20Cu20 Alloy

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Molecular dynamics simulation has shown that anisotropic local atomic configurations, which are in essence elastic dipoles, exist in noncrystalline structures of Al and FeNiCrCoCu. It has been argued that these elastic dipoles similar in their vibrational characteristics to interstitial dumbbells in the corresponding crystals form a defect subsystem of the glassy state. A new approach to the solution of the problem of identification of defects in model noncrystalline structures has been proposed on this foundation.

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Funding

This work was supported by the Russian Science Foundation (project no. 20-62-46003).

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Authors and Affiliations

  1. Voronezh State Pedagogical University, 394043, Voronezh, Russia

    R. A. Konchakov, A. S. Makarov, A. S. Aronin & V. A. Khonik

  2. Institute of Solid State Physics, Russian Academy of Sciences, 142432, Chernogolovka, Moscow region, Russia

    A. S. Aronin & N. P. Kobelev

Authors
  1. R. A. Konchakov
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  2. A. S. Makarov
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  3. A. S. Aronin
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  4. N. P. Kobelev
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  5. V. A. Khonik
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Corresponding author

Correspondence to R. A. Konchakov.

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Translated by R. Tyapaev

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Konchakov, R.A., Makarov, A.S., Aronin, A.S. et al. Elastic Dipoles in Crystal and Glassy Aluminum and High-Entropy Fe20Ni20Cr20Co20Cu20 Alloy. Jetp Lett. 115, 280–285 (2022). https://doi.org/10.1134/S0021364022100095

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  • DOI: https://doi.org/10.1134/S0021364022100095

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