2020
DOI: 10.4149/km_2019_1_55
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Application of the molecular interaction volume model to the assessment of thermodynamic properties of liquid Zn-Bi alloys

Abstract: This paper is an attempt to extract useful thermodynamic information from the experimental activity of zinc in Zn-Bi binary liquid alloy at different temperatures. The molecular interaction volume model (MIVM) was adopted to calculate a number of temperature dependent thermodynamic functions, including activity, free energy of mixing, concentration fluctuations in the long-wavelength limits, and diffusion. The reasonable agreement of the modeled thermodynamic parameters with the existing experimental data veri… Show more

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Cited by 3 publications
(3 citation statements)
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“…However, we know that the diffusion coefficient is inversely related to the shear viscosity. So, the η vs x profile if evaluated will be obviously a convex function according to the results of Ding et al [61]. But the experimental data above the critical temperature (T = 873 K) do not show any such feature for Zn x Bi 1−x monotectic alloys.…”
Section: Temperature Dependence Of Viscositymentioning
confidence: 91%
See 1 more Smart Citation
“…However, we know that the diffusion coefficient is inversely related to the shear viscosity. So, the η vs x profile if evaluated will be obviously a convex function according to the results of Ding et al [61]. But the experimental data above the critical temperature (T = 873 K) do not show any such feature for Zn x Bi 1−x monotectic alloys.…”
Section: Temperature Dependence Of Viscositymentioning
confidence: 91%
“…From figure 4 it is clearly noticed that the bending of the η vs x commences at T = 823 K. These results strongly suggest that the η vs x profile bear a signature of occurrence of liquid-liquid phase separation, at least, in the case of x Bi 1−x liquid monotectic alloys. We note here that, in [61] the diffusion coefficients (D/D id ) are calculated for Zn x Bi 1−x liquid monotectic alloys at temperature above the critical temperature i.e. in the miscible states.…”
Section: Temperature Dependence Of Viscositymentioning
confidence: 97%
“…The most challenging and fascinating area of condensed matter, metallurgy, and materials science is understanding microscopic phase separation or immiscibility of molten binary alloys. Many researchers, motivated by Stroud [12,13] and Tamaki [14], use empirical or semi-empirical models [1,[15][16][17][18][19][20] and the electrical theory of metal [21][22][23][24] to unravel the microscopic theoretical secret of segregation. The self-association model (SAM), which requires just two fitting parameters, is an attractive theoretical method for estimating the thermodynamic characteristics of immiscible molten binary alloys [1].…”
Section: Introductionmentioning
confidence: 99%