Interfacial stress, interfacial energy, and phase equilibria in binary alloys

William C. Johnson; P. W. Voorhees

doi:10.1023/a:1004527106351

Interfacial stress, interfacial energy, and phase equilibria in binary alloys

William C. Johnson^*, P. W. Voorhees

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article

10 Scopus citations

Abstract

A simple model is presented in order to explore the influence of interfacial stress, interfacial energy, and surface stress on the characteristics of phase equilibria in stressed, two-phase binary alloys. Two different system geometries are employed: concentric spheres and thin plates. The conditions for thermodynamic equilibrium are solved and equations of state for each geometry are obtained in terms of the phase fraction, alloy composition, system dimension, and several dimensionless materials parameters. Elastic stress introduces new equilibrium states that are further modified by the interfacial quantities. Those conditions for which interfacial quantities can induce significant changes in the equilibrium phase fraction and phase compositions are identified.

Original language	English (US)
Pages (from-to)	1281-1309
Number of pages	29
Journal	Journal of Statistical Physics
Volume	95
Issue number	5-6
DOIs	https://doi.org/10.1023/a:1004527106351
State	Published - Jun 1999

Keywords

Elastic stress
Interfacial stress
Phase equilibrium
Surface stress

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Mathematical Physics

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10.1023/a:1004527106351

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Johnson, W. C., & Voorhees, P. W. (1999). Interfacial stress, interfacial energy, and phase equilibria in binary alloys. Journal of Statistical Physics, 95(5-6), 1281-1309. https://doi.org/10.1023/a:1004527106351

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KW - Surface stress

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