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Application of Onsager's Reciprocity Relations to Alloy Solidification

Published online by Cambridge University Press:  26 February 2011

Theodore Kaplan ,
M. J. Aziz  and
L. J. Gray
Theodore Kaplan
Affiliation:
Solid State Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6032
M. J. Aziz
Affiliation:
Division of Applied Sciences, Harvard University, Cambridge, MA 02138
L. J. Gray
Affiliation:
Engineering Physics and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831
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Abstract

A requirement of any theory for the kinetics of interface motion during a phase transformation is that the force law which relates fluxes to thermodynamic forces satisfies Onsager's reciprocity relations. In this paper we show how to apply Onsager's relations to a phase transformation mediated by a moving interface in a two-component system. We use the result to evaluate two proposed models for interface motion during alloy solidification.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 100: Symposium – A Fundamentals of Beam-Solid Interactions and Transient Thermal Processing , 1988 , 603
Copyright
Copyright © Materials Research Society 1988

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References

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