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The Characteristic Cooling Rate and Vitrification of Liquids

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Abstract

This work is devoted to analysis and generalization of the kinetic criteria of vitrification using the model of delocalized atoms. The generalized criterion of a liquid–glass transition is proposed. Liquid transfers to the frozen vitreous state when its cooling rate q = dT/dt reaches a certain part of Cg of the characteristic cooling rate qg = Tg/τg closely connected with the relaxation time of the structure τg at the glass transition temperature Tg.

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ACKNOWLEDGMENTS

The authors are grateful to M.V. Darmaev and V.V. Mantatov for their participation in the discussion and formalization of this work.

Funding

This work was supported by the Ministry of Science and Higher Education of Russia, project no. 3.5406.2017/B4.

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Authors and Affiliations

  1. Banzarov Buryat State University, Ulan-Ude, Russia

    D. S. Sanditov & S. Sh. Sangadiev

  2. Institute of Physical Materials Sciences, Siberian Branch, Russian Academy of Sciences, Ulan-Ude, Russia

    D. S. Sanditov & S. Sh. Sangadiev

Authors
  1. D. S. Sanditov
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  2. S. Sh. Sangadiev
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Corresponding author

Correspondence to S. Sh. Sangadiev.

Additional information

Translated by N. Saetova

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Sanditov, D.S., Sangadiev, S.S. The Characteristic Cooling Rate and Vitrification of Liquids. Dokl. Phys. 66, 97–100 (2021). https://doi.org/10.1134/S1028335821040030

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  • DOI: https://doi.org/10.1134/S1028335821040030

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