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  4. № 07/08 2013
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Thermodynamic Properties of Fe-Sc Liquid Alloys

V.Sudavtsova,
 
M.O.Shevchenko,
 
† V.Berezuckiy,
 
M.Ivanov
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2013, #07/08
http://www.materials.kiev.ua/article/871

Abstract

The partial and integral mixing enthalpies of Fe-Sc melts are determined by calorime-tryat 1873 К over the entire composition range. It is established that the minimum enthalpy of mixing is -12.4 ±0.6 at хSс = 0.46 and the first partial enthalpies of mixing are


3.8 (kJ/mole). Thermodynamic properties of the Fe-Sc melts are calculated by the model of ideal associated solutions. It is found that the activities of components have negative deviations from parameters of ideal solutions.


CALORIMETRY, FE-SC, THERMODYNAMIC PROPERTIES

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