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Metals 2018, 8(8), 629; https://doi.org/10.3390/met8080629

Thermodynamic Reassessment of the Na-Cu and Na-K Binary Systems

1
Department of Materials Science and Physical Chemistry of Materials, South Ural State University, Lenin prospect 76, Chelyabinsk 454080, Russia
2
Research & Innovation Services, South Ural State University, Lenin prospect 76, Chelyabinsk 454080, Russia
3
Department of Industrial and Civil Engineering, South Ural State University, Zlatoust Branch, Turgenev str. 16, Zlatoust 456209, Russia
4
ICD-LASMIS, Université de Technologie de Troyes, 12 rue Marie Curie, CS 42060, 10004 Troyes CEDEX, France
*
Author to whom correspondence should be addressed.
Received: 5 July 2018 / Revised: 30 July 2018 / Accepted: 1 August 2018 / Published: 10 August 2018
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Abstract

The Na-Cu and Na-K systems are of significant interest due to the use of liquid sodium and melt of sodium and potassium in the nuclear industry as a cooling agent in nuclear reactors. In the present work, thermodynamic modeling of phase equilibria in the Na-Cu and Na-K systems is carried out, based on the available published experimental data. This modeling was done using the “FactSage” software package (version 7.0). The set of Redlich-Kister equation parameters was obtained, which allows one to describe the dependence of Gibbs energy from composition and temperature for solutions that can be formed in the studied systems. Phase diagrams (T-x diagrams) of the investigated systems were calculated. View Full-Text
Keywords: the Na-Cu system; the Na-K system; thermodynamic modeling; phase diagrams the Na-Cu system; the Na-K system; thermodynamic modeling; phase diagrams
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Trofimov, E.; Samoilova, O.; Zaitseva, O.; Vakhitova, E. Thermodynamic Reassessment of the Na-Cu and Na-K Binary Systems. Metals 2018, 8, 629.

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