excess gibbs energies
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2020 ◽  
Vol 8 (2) ◽  
pp. 73-82
Author(s):  
Natalia Kotova ◽  
Natalia Golovata ◽  
Natalia Usenko

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.





2018 ◽  
Vol 63 (5) ◽  
pp. 1568-1577 ◽  
Author(s):  
Fouzia Amireche ◽  
Farid Brahim Belaribi ◽  
Ilham Mokbel ◽  
Jacques Jose


2015 ◽  
Vol 3 (2) ◽  
pp. 40-43
Author(s):  
Natalia Kotova ◽  
Natalia Golovata ◽  
Natalia Usenko

This paper presents the results of estimation of thermodynamic properties of binary Fe–Ln systems which characterized by small or moderate energy of component interaction in liquid state. The good agreement between enthalpies of mixing calculated in “surrounded atom” approximation and experimentally obtained enthalpies of mixing is observed for all investigated systems including Fe–Pr one, in which sign variable values of heat effects were determined. The method of estimation of excess Gibbs energies of liquid Fe–Ln alloys is proposed and the results of such estimation are given for a number of systems including those experimentally unexplored yet.



2015 ◽  
Vol 386 ◽  
pp. 1-6 ◽  
Author(s):  
Aouicha Belabbaci ◽  
Chahrazed Ghezouali ◽  
Rosa M. Villamañán ◽  
Jose J. Segovia ◽  
Miguel A. Villamañán ◽  
...  


2013 ◽  
Vol 356 ◽  
pp. 157-167 ◽  
Author(s):  
P. Gianni ◽  
L. Lepori ◽  
E. Matteoli ◽  
M.C. Righetti


2012 ◽  
Vol 57 (5) ◽  
pp. 1412-1416 ◽  
Author(s):  
K. Rayapa Reddy ◽  
D. Bala Karuna Kumar ◽  
G. Srinivasa Rao ◽  
P. V. S. Sairam ◽  
P. Anila ◽  
...  


2011 ◽  
Vol 56 (12) ◽  
pp. 4577-4586 ◽  
Author(s):  
Antonio Doménech ◽  
Igor O. Koshevoy ◽  
Noemí Montoya ◽  
Antti J. Karttunen ◽  
Tapani A. Pakkanen


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