Multiscale & Multiphysics Mechanics
Volume 1, Number 2, 2016, pages 171-188
DOI: 10.12989/mmm.2016.1.2.171
A framework for geometrically non-linear gradient extended crystal plasticity coupled to heat conduction and damage (cover page picture paper)
Magnus Ekh and Swantje Bargmann
Abstract
Gradient enhanced theories of crystal plasticity enjoy great research interest. The focus of this work is on thermodynamically consistent modeling of grain size dependent hardening effects. In this contribution, we develop a model framework for damage coupled to gradient enhanced crystal thermoplasticity. The damage initiation is directly linked to the accumulated plastic slip. The theoretical setting is that of finite strains. Numerical results on single-crystalline metal showing the development of damage conclude the paper.
Key Words
crystal plasticity; heat conduction; damage; gradient extension; dislocations
Address
Magnus Ekh: Division of Material and Computational Mechanics, Department of Applied Mechanics, Chalmers University of Technology, Gothenburg, Sweden
Swantje Bargmann: Institute of Continuum Mechanics and Material Mechanics, Hamburg University of Technology, Germany
Swantje Bargmann: Institute of Materials Research, Helmholtz-Zentrum Geesthacht, Germany