, Volume 41, Issue 3-4, pp 173-176

The Enthalpies of DySi2 and HoSi1.67 at 298.15-2007 K. Phase Transformation Enthalpies

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Abstract

Mixing calorimetry method has been used over the range 298.15-2007 K to measure the enthalpies of dysprosium and holmium disilicides. Measurements have been made on the temperatures, enthalpies, and entropies of the phase transformation and melting of the disilicides. Temperature-dependence curves have been drawn up for the main thermodynamic functions of these compounds over a wide temperature range.