Advancements in Friction Stir Welding: A Comprehensive Review of Process Variables and Emerging DevelopmentsZaid Alsalami, P. Thiruramanathan, S. Krishnakumar, Kala Priyadarshini G and Vinod BalmikiE3S Web Conf., 491 (2024) 02026DOI: https://doi.org/10.1051/e3sconf/202449102026