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  4. № 07/08 2011
  5. P. 189

Thermodynamic Properties of Al–Eu Liquid Alloys

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

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, 2011, #07/08
http://www.materials.kiev.ua/article/1446

Abstract

The enthalpies of mixing in liquid Al–Eu alloys are measured by the calorimetric method at 1300 to 1473 K. The thermodynamic properties of Al–Eu melts are calculated in the entire composition range using the ideal associated solution model. The thermodynamic activities of melt components show negative deviations from ideal behavior and the enthalpies of mixing show significant exothermic effects. The minimum enthalpy of mixing in Al–Eu melts is –23.0 ± 2.2 kJ/mole at xEu = 0.39.


ACTIVITY, ALUMINUM, CALORIMETRY, ENTHALPY, EUROPIUM, MELT

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