Abstract
The enthalpies of mixing of liquid binary Fe-Ge (1765±5 K) and Fe-Si (1750±5 K) alloys were determined using a high-temperature isoperibolic calorimeter. The thermodynamic properties of Fe-Ge melts were also studied by electromotive force method in the temperature range of 1250-1580 K. The comparison of our measurement results with literature data has been performed. The extreme negative values of integral enthalpy of mixing and alternating-sign deviations from Raoult's low for germanium can be explained by the influence of binary clusters formation.
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Kanibolotsky, D.S., Bieloborodova, O.A., Kotova, N.V. et al. Thermodynamics of liquid Fe-Si and Fe-Ge alloys. Journal of Thermal Analysis and Calorimetry 71, 583–591 (2003). https://doi.org/10.1023/A:1022816229045
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DOI: https://doi.org/10.1023/A:1022816229045