Name H. Rastegari Affliation دانشگاه صنعتی بیرجند Degree — Academic Rank - WebSite — Email — Article Presentation Project Book Thesis Speech Innovation TitleJournal 1 Parametric Study of Reinforcement of Keyhole-less Friction Stir Spot Welding Using Al2O3 and TiO2 Nanopowders Iranian Journal of Materials Forming 10 (2023) 55-67