Home News Press Releases Max Planck materials scientist wins Starting Grant of European Research Council 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