1. Materials Engineering and Manufacturing , Politehnica University of Timisoara , B-dul Mihai Viteazu Nr. 1 , Timisoara , Timis , 300222 , Romania
2. Mechanical Machines, Equipment and Transportation , Politehnica University of Timisoara , Piata Victoriei, No. 2 , Timisoara , Romania , 300006 , Romania
3. Materials Engineering , Politehnica University of Timisoara , Victoriei Square, Nr. 2 , Timisoara , Timis , 300006 , Romania
4. Politehnica University of Timisoara , Timisoara , 300006 , Romania