Phase-Field Model of Stressed Incoherent Solid-Solid Interfaces

Details Phase-Field Model of Stressed Incoherent Solid-Solid Interfaces Phase-Field Model of Stressed Incoherent Solid-Solid Interfaces

2001-10-18

arxiv.org/abs/cond-mat/0110378v1

Physics

Condensed Matter

Materials Science

RevTeX4 source file, 1 eps figure

Scientific paper

We introduce a new phase-field model which allows for simulation of incoherent solid/solid transformations. Contrary to previous models which impose coherency at the interface, the zero shear-stress condition characteristic of incoherent solids is recovered in the limit of small interface thickness. For the sake of clarity, we limit ourselves to the case of stress-driven phase transitions between two elastic solids. However, since we use a variational formulation which has a clear thermodynamic interpretation, the extension of the model to the cases of chemical and/or thermal diffusion is straightforward.

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