About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Microstructure-Sensitive Modeling Across Length Scales: An MPMD/SMD Symposium in Honor of David L. McDowell
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| Presentation Title |
Thermodynamics of Temperature-Strain Domain Phase Equilibria and Diagrams |
| Author(s) |
Long-Qing Chen, Bo Wang |
| On-Site Speaker (Planned) |
Long-Qing Chen |
| Abstract Scope |
It has been well established that strains or stresses can have profound effects on the thermodynamic stability of phase and domain microstructures of solids, and they can be judiciously utilized to tune solid state phase and domain microstructures and thus physical properties. This presentation will report a general theoretical framework for strained solids based on classical thermodynamics. The concepts of common-tangent construction for incoherent temperature-strain domain phase diagrams, strain spinodal and phase separation or strain decomposition, parallel-tangent construction for coherent strain phase diagrams, as well as coherency strain energy of an inhomogeneous microstructure will be discussed, in analogies to the better-known temperature-composition incoherent and coherent phase equilibria. The thermodynamic theory of strain solids offers a theoretical tool for constructing multidomain and multiphase diagrams of arbitrarily strained or stressed solids to guide the strain engineering of their properties. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Phase Transformations, Thin Films and Interfaces, Modeling and Simulation |