Finite element simulation of dislocation based plasticity and diffusion in multiphase materials at high temperature - Jürgen Albiez Kartoniert (TB)

A single-crystal plasticity model as well as a gradient crystal plasticity model are used to describe the creep behavior of directionally solidified NiAl based eutectic alloys. To consider the transition from theoretical to bulk strength a hardening model was introduced to describe the strength of the reinforcing phases. Moreover to account for microstructural changes due to material ux a coupled diffusional-mechanical simulation model was introduced.