Modelling thermodynamic properties of binary Cu–Eu and ternary Al–Cu–Eu melts
Тип публікації :
Стаття
Дата випуску :
2020
Автор(и) :
Kotova, Natalia Vladimirovna
Golovata, Natalia Valerievna
Usenko, Natalia Igorevna
Мова основного тексту :
Англійська
eKNUTSHIR URL :
Том :
8
Випуск :
2
ISSN :
2312-3222
Початкова сторінка :
73
Кінцева сторінка :
82
Цитування :
[APA 7] Kotova, N. V., Golovata, N. V., & Usenko, N. I. (2020). Modelling thermodynamic properties of binary Cu–Eu and ternary Al–Cu–Eu melts. French-Ukrainian Journal of Chemistry, 8(2), 73–82. https://doi.org/10.17721/fujcV8I2P73-82
[ДСТУ] Kotova N. V., Golovata N. V., Usenko N. I. Modelling thermodynamic properties of binary Cu–Eu and ternary Al–Cu–Eu melts. French-Ukrainian Journal of Chemistry. 2020. Vol. 8, no. 2. P. 73—82. DOI: 10.17721/fujcV8I2P73-82 (date of access: 25.07.2026).
Model calculations of the whole set of thermodynamic properties of liquid alloys for the binary Cu–Eu and ternary Al–Cu–Eu systems have been performed. Authors used the ideal associated solution model (IAS model) for calculation of the entropies and excess Gibbs energies of mixing for these systems. The binaries were given as the Redlich-Kister polynomials. The thermodynamic properties for the ternary system are described using the Redlich-Kister-Muggianu formalism. A comparison of the surfaces of excess Gibbs energy and entropy of mixing for liquid Al–Cu–Eu alloys at 1350 K demonstrates that the ordering related to the formation of rather strong associates in the Al–Eu system significantly affects the concentration dependence of the excess Gibbs energy of mixing in the liquid phase at this temperature.
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