Study of size mismatches effect on transport properties in Cu-Sb and Cu-Sn liquid alloys

We report a formalism that connects thermodynamics and transport properties such as viscosity and diffusion coefficient which has been used to calculate the concentration dependence of free energy of mixing, concentration-concentration fluctuations in the long wavelength limit and concentration depe...

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Bibliographic Details
Published inBibechana Vol. 12; pp. 96 - 103
Main Authors Singh, B. P., Singh, B. K., Jha, I. S., Shrestha, G. K., Koirala, I., Adhikari, D.
Format Journal Article
LanguageEnglish
Published Department of Physics, Mahendra Morang Adarsh Multiple Campus, Tribhuvan University 17.12.2014
Subjects
Diffusivity
Hetero-coordinated alloys
Size mismatch
Viscosity
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Summary:We report a formalism that connects thermodynamics and transport properties such as viscosity and diffusion coefficient which has been used to calculate the concentration dependence of free energy of mixing, concentration-concentration fluctuations in the long wavelength limit and concentration dependence of diffusion and viscosity in Cu-Sb and Cu-Sn binary liquid alloys at 1190K and 1400K respectively with aid of size effect and no size effect. Our calculations show that a reasonable degree of chemical order exists in both alloys system. It can be concluded that size mismatch has more effects on the transport properties of Cu-Sb hetero-coordinated system with greater size ratio than Cu-Sn hetero-coordinated system.DOI: http://dx.doi.org/10.3126/bibechana.v12i0.11781BIBECHANA 12 (2015) 96-103
ISSN:2091-0762
2382-5340
DOI:10.3126/bibechana.v12i0.11781