1. Institute of Applied Mechanics; University of Kaiserslautern, Gottlieb-Daimler-Strasse; Postfach 3049; 67653; Kaiserslautern; Germany
2. Chair of Applied Mechanics; University of Erlangen-Nuremberg; Egerlandstrasse; 5, 91058; Erlangen; Germany
3. Institute of Materials Science and Engineering; University of Kaiserslautern, Gottlieb-Daimler-Strasse; Postfach; 3049, 67653; Kaiserslautern; Germany