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 TVT, 2015, Volume 53, Issue 5, Pages 676–682 (Mi tvt169)

Thermophysical Properties of Materials

Correlation of temperature dependences of thermal expansion and the heat capacity of refractory metal up to the melting point: Tungsten

V. Yu. Bodryakov

Urals State Pedagogical University

Abstract: In continuing the series of publications started by the article about molybdenum, a detailed study of the correlation between the volume thermal expansion coefficient, $o(T)$, and the heat capacity, $C(T)$, of another refractory metal, tungsten, is carried out. It is shown that a distinct correlation of $o(C)$ takes place not only at low temperatures, where it is linear and is known as the Grüneisen law, but also within a much wider temperature region, up to the melting point of the metal. A significant deviation from the low-temperature behavior of the linear dependence of $o(C)$ occurs when the heat capacity reaches its classical Dulong and Petit limit, $3R$. The concept of the temperature dependence of the differential Grüneisen parameter, $\gamma ' \sim (\partialo/\partial C)$ is introduced, and its evaluation is proposed.

DOI: https://doi.org/10.7868/S0040364415040067

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English version:
High Temperature, 2015, 53:5, 643–648

Bibliographic databases:

UDC: 536.416; 536.631; 536.713
Accepted:05.11.2014

Citation: V. Yu. Bodryakov, “Correlation of temperature dependences of thermal expansion and the heat capacity of refractory metal up to the melting point: Tungsten”, TVT, 53:5 (2015), 676–682; High Temperature, 53:5 (2015), 643–648

Citation in format AMSBIB
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\jour High Temperature
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\pages 643--648
\crossref{https://doi.org/10.1134/S0018151X15040069}
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Citing articles on Google Scholar: Russian citations, English citations
Related articles on Google Scholar: Russian articles, English articles

This publication is cited in the following articles:
1. V. Yu. Bodryakov, “Correlation between temperature dependences of thermal expansivity and heat capacity up to the melting point of tantalum”, High Temperature, 54:3 (2016), 316–321
2. V. Yu. Bodryakov, “Joint study of temperature dependences of thermal expansion and heat capacity of solid beryllium”, High Temperature, 56:2 (2018), 177–183
3. J. W. Arblaster, “Thermodynamic properties of tungsten”, J. Phase Equilib. Diffus., 39:6 (2018), 891–907
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