Home News Short News IHK awards Max Planck instructors with the Golden Badge of Honour Publications of Stephan Heppner All genres Journal Article (1) Journal Article (1) 1. Journal Article Bambach, M.; Heppner, S.; Steinmetz, D.; Roters, F.: Assessing and ensuring parameter identifiability for a physically-based strain hardening model for twinning-induced plasticity. Mechanics of Materials 84, pp. 127 - 139 (2015) MPG.PuRe DOI