Mohamed Ibrahim Abd El AAL. He received his M.S. and Ph.D. degrees in mechanical engineering (mechanical design and production engineering) from Zagazig University, Egypt, in 2005 and 2010, respectively. He joined the Mechanical Design and Production Engineering Department at Faculty of Engineering at Zagazig University in 2000. His current position is full professor. His research areas cover the manufacturing, characteristics and tribology of SPD processed material, nano metal matrix composites, recycling of metals chips, and traditional and nontraditional machining of materials.