Elshafey Ahmed Gadallah He received his M.S. and Ph.D. degrees in mechanical technology and education (mechanical production department), from Suez Canal University and Suez University, Suez, Egypt, in 2013 and 2018, respectively. He joined the machining and metal forming department and then the mechanical production department at the Faculty of Technology and Education, Suez University, Suez, Egypt in 2009. His current position is lecturer (Ph.D.). His research areas cover the manufacturing, characteristics of severe plastic deformation (SPD), processed material, and he is interested in friction stir welding (FSW).