On the impact of local rotation on the evolution of an anisotropic plastic yield condition

摘要

Isotropic and kinematic hardening is combined with the local, average lattice rotaion in order to describe the hardening behaviour of a polycrystallien metal in terms of continuum mechan- ics. This approach is adapted by means of parameter identification to experiemtnal results by Boehler and Koss (In: Bruller O., Mannl V., Najar J. (Eds.), Advances in Continuum mechanics. Springer, Berlin, (1991) pp. 143) Koss (Ecrouissage isotrope et anisotrope des aciers laminees Soumis a de grandes deformations.