1. Division of Materials Mechanics, Institute of Materials Research, Helmholtz-Zentrum Hereon, 21502 Geesthacht, Germany
2. Department of Particles and Process Engineering, University of Bremen, Badgasteiner Str. 1, 28359 Bremen, Germany
3. Leibniz Institute for Materials Engineering—IWT, Badgasteiner Str. 3, 28359 Bremen, Germany