Abstract

A significant result of the analysis of the correlation dependence of the coefficient of volumetric thermal expansion β on the isobaric heat capacity CP of a substance undergoing a phase transformation can be the thermodynamically correct isolation of an additional contribution to one of these two quantities if the other has been studied sufficiently fully. The magnetic contribution to the expansion coefficient of nickel undergoing ferromagnetic ordering at the Curie point TC = 631 K serves as an illustration of the model approach.

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