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Teplofizika vysokikh temperatur, 2022, Volume 60, Issue 1, Pages 19–22
DOI: https://doi.org/10.31857/S0040364422010161 (Mi tvt11563) 		 
Thermophysical Properties of Materials

Thermophysical properties of thermally expanded graphite

S. N. Kallaeva, A. G. Bakmaeva, A. A. Babaeva, A. R. Bilalova, Z. M. Omarova, E. I. Terukovb

a Institute of Physics, Daghestan Scientific Centre, Russian Academy of Sciences
b Ioffe Institute, St. Petersburg
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DOI: https://doi.org/10.31857/S0040364422010161
Abstract: We studied the thermophysical and electrical properties of thermally expanded graphite in the temperature range of $300$ to $800$ K and found that the phonon contribution to heat transfer processes is dominant in this material. The temperature dependence of the mean free path of phonons is determined. The temperature dependences of the specific heat $C_p$, thermal conductivity, and electrical conductivity revealed weak anomalies in the temperature range of $550$ to $600$ K. The thermal conductivity in thermally expanded graphite is two orders of magnitude lower than in ordinary graphite and three orders of magnitude lower than in graphene and carbon nanotubes.
Received: 14.04.2021
Revised: 19.05.2021
Accepted: 19.05.2021
English version:
High Temperature, 2022, Volume 60, Issue 1, Pages 15–18
DOI: https://doi.org/10.1134/S0018151X22010102
Bibliographic databases:
Document Type: Article
UDC: 536.21
Language: Russian
Citation: S. N. Kallaev, A. G. Bakmaev, A. A. Babaev, A. R. Bilalov, Z. M. Omarov, E. I. Terukov, “Thermophysical properties of thermally expanded graphite”, TVT, 60:1 (2022), 19–22; High Temperature, 60:1 (2022), 15–18
Citation in format AMSBIB
\Bibitem{KalBakBab22}
\by S.~N.~Kallaev, A.~G.~Bakmaev, A.~A.~Babaev, A.~R.~Bilalov, Z.~M.~Omarov, E.~I.~Terukov
\paper Thermophysical properties of thermally expanded graphite
\jour TVT
\yr 2022
\vol 60
\issue 1
\pages 19--22
\mathnet{http://mi.mathnet.ru/tvt11563}
\crossref{https://doi.org/10.31857/S0040364422010161}
\elib{https://elibrary.ru/item.asp?id=48506023}
\transl
\jour High Temperature
\yr 2022
\vol 60
\issue 1
\pages 15--18
\crossref{https://doi.org/10.1134/S0018151X22010102}
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