Theory of thermal expansivity and bulk modulus for MgO and other minerals at high temperatures
J Shanker, SS Kushwah, P Kumar - Physica B: Condensed Matter, 1997 - Elsevier
The Grüneisen theory of thermal expansion as formulated by Born and Huang has been
modified by including higher-order terms for the change in volume in the expansion of
potential energy. New expressions are obtained for the thermal expansivity and bulk
modulus, and used to estimate these quantities for MgO and other minerals in the
temperature range 300–1800 K. The results are found to present close agreement with the
experimental data.
modified by including higher-order terms for the change in volume in the expansion of
potential energy. New expressions are obtained for the thermal expansivity and bulk
modulus, and used to estimate these quantities for MgO and other minerals in the
temperature range 300–1800 K. The results are found to present close agreement with the
experimental data.
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