1. Department of Metal Forming, Welding and Metrology , Wroclaw University of Science and Technology , Wybrzeże Wyspiańskiego 27 , Wroclaw , Poland
2. Faculty of Mechanical Engineering , Wroclaw University of Science and Technology , Wybrzeże Wyspiańskiego 27 , Wroclaw , Poland
3. Łukasiewicz Research Network – Institute for Ferrous Metallurgy , K. Miarki 12-14 , Gliwice , Poland