Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity

It is shown that all heat effects taking place upon annealing of a metallic glass within the glassy and supercooled liquid states, i.e. heat release below the glass transition temperature and heat absorption above it, as well as crystallization-induced heat release, are related to the macroscopic sh...

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Autores principales: Mitrofanov, Y. P., Wang, D. P., Makarov, A. S., Wang, W. H., Khonik, V. A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4792145/
https://www.ncbi.nlm.nih.gov/pubmed/26975587
http://dx.doi.org/10.1038/srep23026
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author Mitrofanov, Y. P.
Wang, D. P.
Makarov, A. S.
Wang, W. H.
Khonik, V. A.
author_facet Mitrofanov, Y. P.
Wang, D. P.
Makarov, A. S.
Wang, W. H.
Khonik, V. A.
author_sort Mitrofanov, Y. P.
collection PubMed
description It is shown that all heat effects taking place upon annealing of a metallic glass within the glassy and supercooled liquid states, i.e. heat release below the glass transition temperature and heat absorption above it, as well as crystallization-induced heat release, are related to the macroscopic shear elasticity. The underlying physical reason can be understood as relaxation in the system of interstitialcy-type ”defects” (elastic dipoles) frozen-in from the melt upon glass production.
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spelling pubmed-47921452016-03-16 Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity Mitrofanov, Y. P. Wang, D. P. Makarov, A. S. Wang, W. H. Khonik, V. A. Sci Rep Article It is shown that all heat effects taking place upon annealing of a metallic glass within the glassy and supercooled liquid states, i.e. heat release below the glass transition temperature and heat absorption above it, as well as crystallization-induced heat release, are related to the macroscopic shear elasticity. The underlying physical reason can be understood as relaxation in the system of interstitialcy-type ”defects” (elastic dipoles) frozen-in from the melt upon glass production. Nature Publishing Group 2016-03-15 /pmc/articles/PMC4792145/ /pubmed/26975587 http://dx.doi.org/10.1038/srep23026 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Mitrofanov, Y. P.
Wang, D. P.
Makarov, A. S.
Wang, W. H.
Khonik, V. A.
Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity
title Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity
title_full Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity
title_fullStr Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity
title_full_unstemmed Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity
title_short Towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity
title_sort towards understanding of heat effects in metallic glasses on the basis of macroscopic shear elasticity
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4792145/
https://www.ncbi.nlm.nih.gov/pubmed/26975587
http://dx.doi.org/10.1038/srep23026
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