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Teplofizika vysokikh temperatur, 2022, Volume 60, Issue 5, Pages 676–681
DOI: https://doi.org/10.31857/S0040364422020156 (Mi tvt11680) 		 
Thermophysical Properties of Materials

Thermophysical properties of fine-grain MPG-$7$ graphite with chemical and structural heterogeneity

A. V. Vershinina, V. I. Gorbatovbc, À. À. Kurichenkoc, S. A. Koytova

a NPO Novator
b Institute of Thermal Physics, Ural Branch, Russian Academy of Sciences, Ekaterinburg
c Ural State Mining University
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DOI: https://doi.org/10.31857/S0040364422020156
Abstract: The thermal diffusivity of MPG-$7$ grade graphite samples with a density of $1802$ to $1869$ kg/m$^3$ was measured using the temperature wave method with chemical and structural heterogeneity in the temperature range from $600$ to $1700$ K. Based on the obtained results, the temperature dependences of the thermal conductivity are calculated, which allow to estimate the thermal conductivity of MPG-$7$ graphite depending on the type of its defectiveness (chemical and structural heterogeneities). It is shown that the observed differences in the values of the thermal conductivity of MPG-$7$ graphite, depending on the type of its defectiveness, can be associated with the electron contribution to the overall process of energy transfer.
Received: 21.10.2021
Revised: 11.01.2022
Accepted: 15.02.2022
English version:
High Temperature, 2022, Volume 60, Issue 5, Pages 616–620
DOI: https://doi.org/10.1134/S0018151X22020158
Bibliographic databases:
Document Type: Article
UDC: 621.785.377
Language: Russian
Citation: A. V. Vershinin, V. I. Gorbatov, À. À. Kurichenko, S. A. Koytov, “Thermophysical properties of fine-grain MPG-$7$ graphite with chemical and structural heterogeneity”, TVT, 60:5 (2022), 676–681; High Temperature, 60:5 (2022), 616–620
Citation in format AMSBIB
\Bibitem{GorKur22}
\by A. V. Vershinin, V.~I.~Gorbatov, À.~À.~Kurichenko, S. A. Koytov
\paper Thermophysical properties of fine-grain MPG-$7$ graphite with chemical and structural heterogeneity
\jour TVT
\yr 2022
\vol 60
\issue 5
\pages 676--681
\mathnet{http://mi.mathnet.ru/tvt11680}
\crossref{https://doi.org/10.31857/S0040364422020156}
\elib{https://elibrary.ru/item.asp?id=49991217}
\transl
\jour High Temperature
\yr 2022
\vol 60
\issue 5
\pages 616--620
\crossref{https://doi.org/10.1134/S0018151X22020158}
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