Abstract
The author assumes that the melting of the crystals is connected with the passage of ions into interstitial positions. He introduces the assumption about the dependence of the energy of the crystal on the degree of order and from the above by the method of statistical thermodynamics he calculates the free energy of the crystal as a function of the temperature and a parameter characterizing the degree of order. By a discussion of the isotherms of the free energy he then obtains the melting temperature at which the degree of order changes suddenly. From this discontinuity the latent heat and the entropy can be determined. The calculated values are in good agreement with experiment.
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