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Thermodynamic and structural behavior of Tl-Pb liquid alloy
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Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Thermodynamic and structural behavior of Tl-Pb liquid alloy


International Conference and Exhibition on Mesoscopic & Condensed Matter Physics

June 22-24, 2015 Boston, USA

Devendra Adhikari

Tribhuvan University, Nepal

Posters-Accepted Abstracts: J Material Sci Eng

Abstract :

Thermodynamic properties such as free energy of mixing, heat of mixing, entropy of mixing, activities and the microscopic structural properties, such as concentration fluctuation in long-wavelength limit, chemical short-range parameter and ratio of mutual and intrinsic coefficients of Tl-Pb liquid alloy at 773 K have been studied on the basis of regular associated solution model. We have estimated the mole fractions of the complex and the unassociated atoms assuming the existence of complex as energetically favoured in the liquid state. The compositional contributions of the heat of mixing of the species Tl and Pb and the heat of formation of the compound to the net enthalpy change have also been studied. Both the theoretical and the experimental values of the concentration fluctuation in long-wavelength limit are found to less than the ideal value revealing that the concerned system is hetero-coordinating in nature. The interaction energies are found to be temperature dependent and Tl-Pb liquid alloy at 773 K is found to be weakly interacting system.

Biography :

Devendra Adhikari is a Professor of Physics in Tribhuvan University, Nepal. He completed his PhD from T.M. Bhagalpur University, India. He has published more than five dozens of researcher articles in the journal of international repute. He is chief editor of a peer review journal and serving as a member of editorial board of different international journals. He has visited different universities and institutes as a guest scientist.

Email: devendra.physics@yahoo.com

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