Thermodynamic And Structural Behaviour Of liquid Al-Ga Alloys

R.P. Koirala1,2, B.P. Singh1, I.S. Jha2, D. Adhikari2*

1University Department of Physics, T.M. Bhagalpur University, Bhagalpur, India

2Department of Physics, M.M.A.M. Campus (Tribhuvan University), Biratnagar, Nepal

Adv. Mater. Lett., 2013, Current Issue, 4 (4), pp 283-287

DOI: 10.5185/amlett.2012.8412

Publication Date (Web): Feb 17, 2013



Quasi-chemical approximation has been used to study the mixing behaviour of liquid aluminium-gallium binary alloys by computing thermodynamic functions, such as free energy of mixing, heat of mixing, entropy of mixing, activity and microscopic functions, such as concentration fluctuation in long wavelength limit (Scc(0)), Warren-Cowley short range order parameter ( ) and ratio of diffusion coefficients of the alloys at 1023 K. The theoretical analysis reveals that the ordering energy is found to be temperature dependent and Al-Ga alloy in molten state is slightly segregating.


Binary alloy, quasi-chemical approximation, structural properties, segregating system.

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