1. Faculty of Technology, Cooperative State University Heidenheim, Marienstraße 20, 89518 Heidenheim an der Brenz, Germany
2. Institute for Materials and Material Technologies (IWWT), Pforzheim University, Tiefenbronner Straße 65, 75175 Pforzheim, Germany
3. Faculty of Technology, Cooperative State University Stuttgart, Lerchenstraße 1, 70194 Stuttgart, Germany
4. Institute of Metal Forming, Technische Universität Bergakademie Freiberg, Bernhard-von-Cotta Straße 4, 09599 Freiberg, Germany