Thermodynamic modeling of the AgNO3–CsNO3–NaNO3 ternary system

By means of an optimization procedure, the AgNO3–CsNO3–NaNO3 ternary system has been assessed. The mixing enthalpies in the ternary system and the results derived from thermodynamic descriptions for the three limiting binary systems are used. For the AgNO3–NaNO3 and CsNO3–NaNO3 systems, optimized Gi...

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Bibliographic Details
Published in:Calphad 2015-06, Vol.49, p.127-132
Main Authors: Manouan, M.W., Boa, D., Hellali, D., Zamali, H., Rogez, J.
Format: Article
Language:English
Subjects:
AgNO3–CsNO3–NaNO3 ternary system
Chemical Sciences
Engineering Sciences
Material chemistry
Materials
Optimization
Phase diagram
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Summary:By means of an optimization procedure, the AgNO3–CsNO3–NaNO3 ternary system has been assessed. The mixing enthalpies in the ternary system and the results derived from thermodynamic descriptions for the three limiting binary systems are used. For the AgNO3–NaNO3 and CsNO3–NaNO3 systems, optimized Gibbs energy expressions were taken from the literature. An assessment of the binary AgNO3–CsNO3 system based on the available experimental data is presented in this paper; the calculated phase diagram and thermodynamic functions agree well with experimental data. The parameters describing the Gibbs energies of all binary phases and the ternary liquid are used to predict the phase diagram of the AgNO3–CsNO3–NaNO3 system. •For the first time the AgNO3–CsNO3–NaNO3 ternary system has been assesed.•Two binary (Ag–Cs)NO3 compounds and no ternary compounds are mentioned.•Only three large binary (Ag–Na)NO3 solid solutions have been observed and modelized•The ternary eutectic is at 404.8K and xCsNO3=0.305 and xNaNO3=0.151.
ISSN:0364-5916
DOI:10.1016/j.calphad.2015.03.003