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Thermodynamics and phase equilibria in the Al–Bi–Sb system

Acharya, S and Hajra, JP (2004) Thermodynamics and phase equilibria in the Al–Bi–Sb system. In: The Journal of Chemical Thermodynamics, 36 (7). pp. 583-591.

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Official URL: http://dx.doi.org/10.1016/j.jct.2004.03.012

Abstract

Activities of aluminium in aluminium–bismuth–antimony alloys have been determined over the temperature range (1173 to 1323) K by a concentration cell technique involving the chloride electrolytes. The measured activities in the system exhibit positive deviation from ideal behaviour over the entire range of composition studied. The deviation increases progressively with the Bi content of the alloys for a constant compositional path of Sb. However, the deviation decreases substantially with the increase of Sb content in the system. The proposed equation is capable of interpreting the experimental data pertaining to the liquid–liquid immiscibility in the system. The ternary interaction parameters involved in the equation are susceptible to the physico-chemical interpretation based on the central atoms model.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: e.m.f. technique;Liquid–liquid immiscibility;Central atoms model
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 03 May 2006
Last Modified: 24 Feb 2012 06:22
URI: http://eprints.iisc.ernet.in/id/eprint/6541

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