%0 journal article %@ 1438-1656 %A Brocks, W. %D 2009 %J Advanced Engineering Materials %N 3 %P 137-142 %R doi:10.1002/adem.200800307 %T Cracks and Plasticity %U https://doi.org/10.1002/adem.200800307 3 %X nucleation and growth, porosity based constitutive equations, the cohesive zone model and the macroscopic fracture-mechanics approach. The potential of a hierarchical modeling approach from the micro- to the macroscale is emphasized.