2007•Journal of Applied PhysicsOpen access
The temperature dependence of the isothermal bulk modulus at 1bar pressure
József Garai, Alexandre Laugier
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Abstract
It is well established that the product of the volume coefficient of thermal expansion and the bulk modulus is nearly constant at temperatures higher than the Debye temperature. Using this approximation allows predicting the values of the bulk modulus. The derived analytical solution for the temperature dependence of the isothermal bulk modulus has been applied to ten substances. The good correlations to the experiments indicate that the expression may be useful for substances for which bulk modulus data are lacking.
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