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conference

Phase-field model of solid state transformations with large deformation and plastic activity

Oleg Shchyglo, Ruhr-Universität Bochum, Bochum, Germany

Efim Borukhovich, Ruhr-Universität Bochum, Bochum, Germany

Adam Gießmann, Ruhr-Universität Bochum, Bochum, Germany

Philipp Engels, Ruhr-Universität Bochum, Bochum, Germany

Ingo Steinbach, Ruhr-Universität Bochum, Bochum, Germany

Time & Place
  • Date: 23.09.2015
  • Time:
  • Place: Euromat 2015, Warsaw, Poland

Abstract

The phase-field method have emerged as the method of choice for simulation of microstructure evolution and phase-transformations in material science. In solid state almost any phase-transformation involves volumetric or deviatoric distortion as well as strain driven diffusion. For large distortion also plastic activity needs to be considered. In the talk the principles of phase-field modeling in a thermodynamic consistent framework will be reviewed shortly. An Alternating Eulerian-Lagrangian framework coupled to a crystal plasticity model will be outlined to consider large deformation on a fixed numerical grid. Examples will be presented from martensitic transformation, strain affected diffusion in growth of pearlite and swelling of Li-ion battery material during intercalation.

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