1. Institute of Physical Metallurgy and Materials Physics (IMM), RWTH Aachen University, 52074 Aachen, Germany
2. Institute of Metal Forming (IMF), TU Bergakademie Freiberg, 09596 Freiberg, Germany
3. Institute of Electrical Machines (IEM), RWTH Aachen University, 52052 Aachen, Germany
4. Institute of Metal Forming (IBF), RWTH Aachen University, 52056 Aachen, Germany
5. Chair of Metal Forming and Casting (utg), TU München, 85748 Garching, Germany