1. Laboratory of Metal Forming, Department of Mechanical Engineering, K. N. Toosi University, Pardis Street, Mollasadra Avenue, Vanak Square, Tehran 1999143344, Iran e-mail:
2. Laboratory of Metal Forming, Department of Mechanical Engineering, K. N. Toosi University, Pardis Street, Mollasadra Avenue, Vanak Square, Tehran 1999143344, Iran
3. Department of Mechanical Engineering, Amir Kabir University (Polytechnic of Tehran), 424 Hafez Avenue, Tehran 71436-84548, Iran