1. Materials Engineering and Welding Department; Transilvania University of Brasov, Eroilor 29 Str; Brasov 500036 Romania
2. Wood Processing and Design of Wooden Products Department; Transilvania University of Brasov, Eroilor 29 Str; Brasov 500036 Romania
3. Materials Science Department; Transilvania University of Brasov, Eroilor 29 Str; Brasov 500036 Romania