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Applicability of a multiparameter formalism in interpreting the thermodynamic behaviour of ternary systems

Acharya, S and Hajra, JP (2004) Applicability of a multiparameter formalism in interpreting the thermodynamic behaviour of ternary systems. In: Transactions of the Indian Institute of Metals, 57 (2). pp. 95-102.

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Official URL: http://espace.library.uq.edu.au/view/UQ:201824

Abstract

An analytical expression of the excess free energy function for the concentrated ternary solution is described by incorporating the higher order ternary parameters.The appropriate functional form associated with these parameters is derived based on the concept of the interaction parameter formalism.The present equations are capable of interpreting the experimental activities in the Ag-Au-Cu and Fe-Cr-Ni systems at 1350 K and 1873 K respectively. Using the second order parameters, it has been shown that there exists a decreasing trend in the standard deviations in terms of the experimental excess properties of the systems relative to those of the conventional function involving first order parameters.The derived values of various constants are susceptible to Physico-Chemical interpretation based on the central atoms model.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian Institute of Metals.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 04 Dec 2008 07:44
Last Modified: 24 Feb 2012 06:24
URI: http://eprints.iisc.ernet.in/id/eprint/16562

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