Interfacial conditions for thermomechanical equilibrium in two-phase crystals
- 15 April 1986
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 59 (8), 2735-2746
- https://doi.org/10.1063/1.336982
Abstract
A virtual variational approach is used to deduce the interfacial conditions for thermomechanical equilibrium in two-phase crystals separated by a curved interface. The interface is modeled as a Gibbsian dividing surface and the excess quantities which include the deformation gradients, entropy, and number density of components are accounted for explicitly. Conditions necessary for equilibrium are obtained for both a coherent and incoherent interface that incorporate the effects of surface stress. An example illustrating the use of these new interfacial conditions in establishing boundary conditions is given.Keywords
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