1. Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech Republic
2. Department of Materials Technology and Production Systems, Faculty of Mechanical Engineering, Lodz University of Technology, 90-001 Lodz, Poland
3. Department of Pure and Applied Science, University of Urbino, 61029 Urbino, Italy
4. Faculty of Material Engineering and Physics, Cracow University of Technology, 31-864 Cracow, Poland
5. Department of Chemistry, University of Pavia, 27100 Pavia, Italy