A Review on Tool Pin Geometry of Friction Stir Welding. Al-Khwarizmi Engineering Journal, [S. l.], v. 20, n. 2, p. 39–55, 2024. DOI: 10.22153/kej.2024.02.001. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/902.. Acesso em: 19 dec. 2024.