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Computational thermodynamics in electric current metallurgy

Qin, R. S. and Bhowmik, A. (2015). Computational thermodynamics in electric current metallurgy. Materials Science and Technology, 31(13a) pp. 1560–1563.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1179/1743284714Y.0000000746
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Abstract

A priori derivation for the extra free energy caused by the passing electric current in metal is presented. The analytical expression and its discrete format in support of the numerical calculation of thermodynamics in electric current metallurgy have been developed. This enables the calculation of electric current distribution, current induced temperature distribution and free energy sequence of various phase transitions in multiphase materials. The work is particularly suitable for the study of magnetic materials that contain various magnetic phases. The latter has not been considered in literature. The method has been validated against the analytical solution of current distribution and experimental observation of microstructure evolution. It provides a basis for the design, prediction and implementation of the electric current metallurgy. The applicability of the theory is discussed in the derivations.

Item Type: Journal Item
ISSN: 1743-2847
Keywords: electric current metallurgy; magnetic materials; thermodynamics
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 41769
Depositing User: Rongshan Qin
Date Deposited: 20 Jan 2015 15:12
Last Modified: 29 Nov 2016 10:40
URI: http://oro.open.ac.uk/id/eprint/41769
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