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Theoretical Treatment of Interaction Parameters in Multicomponent Metallic Solutions

Ueno, S and Waseda, Y and Jacob, KT and Tamaki, S (1988) Theoretical Treatment of Interaction Parameters in Multicomponent Metallic Solutions. In: Steel Research, 59 (11). 474 -483.

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Abstract

A new theoretical equation for interaction parameter in multicomponent metallic solutions is developed using the pseudopotential formalism coupled with the free energy of the hard sphere system. The approximate expression for the pseudopotential term is given in terms of the heat of solution at infinite dilution, to allow easy evaluation of the interaction parameter in various multicomponent systems. This theory has been applied to 23 non-ferrous alloys based on Pb, Sn, Bi and indium. Comparison with the results of previous theoretical calculations using only the hard sphere model suggests that the inclusion of the pseudopotential term yields a quantitatively more correct prediction of interaction parameters in multicomponent metallic solutions. Numerical calculations were also made for 320 Fe-base solutions relevant to steelmaking and the agreement between calculation and experimental data appears reasonable, with 90% reliability in predicting the correct sign.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Verlag Stahleisen Mbh.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 11 Oct 2010 09:22
Last Modified: 11 Oct 2010 09:22
URI: http://eprints.iisc.ernet.in/id/eprint/33033

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