1. Department of Mechanical Engineering and Aeronautics, University of Patras, GR 26500, Patras, Greece
2. Department of Mechanical Engineering, KU Leuven, Celestijnenlaan 300C—PB 2419, B-3001, Leuven, Belgium
3. Department of Materials Science and Engineering, University of Ioannina, GR 45110, Ioannina, Greece