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Representation of Thermodynamic Properties of Dilute Multi-Component Solutions--Options and Constraints

Srikanth, S and Jacob, KT and Abraham, KP (1989) Representation of Thermodynamic Properties of Dilute Multi-Component Solutions--Options and Constraints. In: Steel Research, 60 (1). pp. 6-11.

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The different formalisms for the representation of thermodynamic data on dilute multicomponent solutions are critically reviewed. The thermodynamic consistency of the formalisms are examined and the interrelations between them are highlighted. The options are constraints in the use of the interaction parameter and Darken's quadratic formalisms for multicomponent solutions are discussed in the light of the available experimental data. Truncatred Maclaurin series expansion is thermodynamically inconsistent unless special relations between interaction parameters are invoked. However, the lack of strict mathematical consistency does not affect the practical use of the formalism. Expressions for excess partial properties can be integrated along defined composition paths without significant loss of accuracy. Although thermodynamically consistent, the applicability of Darken's quadratic formalism to strongly interacting systems remains to be established by experiment.

Item Type: Journal Article
Publication: Steel Research
Publisher: Verlag Stahleisen Mbh
Additional Information: Copyright of this article belongs to Verlag Stahleisen Mbh.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 19 Oct 2010 09:33
Last Modified: 18 Feb 2019 09:44
URI: http://eprints.iisc.ac.in/id/eprint/33250

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