Research
  Research

Research directions


The research in this initiative shall contribute to improved polycrystal modeling on various scales ranging from plasticity of a single crystallite over mesoscopic grain aggregates up to the scale of whole components. The following lists give a brief overview of the main activities.


Metal physics of crystal plasticity

mechanical twinning in face-centered cubic and hexagonal close-packed lattices
displacive phase transformations, especially martensite formation from meta-stable austenite
deformation-induced nucleation of damage at grain boundaries

Polycrystal homogenization at continuum mechanical material points

self-consistent inclusion
grain cluster
multi-phase materials

Forming simulations

statistical crystal plasticity FEM with material point homogenization
representation of texture on a component FE mesh
improved analytical yield loci

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Last update: 15.12.2008