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TVT, 2018, Volume 56, Issue 2, Pages 185–192 (Mi tvt10771)  

Thermophysical Properties of Materials

Joint study of temperature dependences of thermal expansion and heat capacity of solid beryllium

V. Yu. Bodryakov

Urals State Pedagogical University, Ekaterinburg

Abstract: This work presents the detailed joint study of temperature dependences of thermal expansion and heat capacity of solid beryllium. It is shown that, as for the earlier studied solid bodies, within the limits of experimental and statistical errors, the heat capacity $C(T)$ and the temperature coefficient of volume expansion $\beta(T)$ in the entire range of the HCP-phase of metal are in a pronounced correlation $\beta(C)$ that has a typical (as earlier) “bilinear” form consisting of two smoothly conjugate linear sections with the up-fracture hitting the classical Dulong and Petit heat capacity limit $3R$. The consistent values of the heat capacity obtained and the thermal expansion are tabulated and an estimate of the temperature dependence of the Grüneisen differential parameter $\gamma' \sim (\partial\beta/\partial C)$ is given.

DOI: https://doi.org/10.7868/S0040364418020047

Full text: PDF file (269 kB)
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English version:
High Temperature, 2018, 56:2, 177–183

Bibliographic databases:

UDC: 536.416;536.631;536.713
Received: 01.11.2016
Accepted:22.09.2017

Citation: V. Yu. Bodryakov, “Joint study of temperature dependences of thermal expansion and heat capacity of solid beryllium”, TVT, 56:2 (2018), 185–192; High Temperature, 56:2 (2018), 177–183

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