A phase field approach for multivariant martensitic transformations of stable and metastable phases |
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Authors: | Regina Schmitt Ralf Müller Charlotte Kuhn Herbert M Urbassek |
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Institution: | 1. Institute of Applied Mechanics, University of Kaiserslautern, Gottlieb-Daimler-Stra?e, 67663, Kaiserslautern, Germany 2. Physics Department and Research Center OPTIMAS, University of Kaiserslautern, Erwin-Schr?dinger-Stra?e, 67663, Kaiserslautern, Germany
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Abstract: | A phase field model approach for multivariant martensitic transformations of stable and metastable phases is introduced. The evolution of the microstructure is examined with respect to elastic energy minimization in which one or two martensitic orientation variants are considered. In this context, the martensitic nucleation behavior is simulated for different activation barriers. Furthermore, the influence of time-dependent external loads on the formation of the different phases is studied. The numerical implementation is performed with finite elements and an implicit time integration scheme. |
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