Some Observations on Microstructural changes in Aluminium based alloys 7075 to 7075 subjected to Friction Stir Welding. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 4, n. 10, p. 288–291, 2017. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/5043. Acesso em: 10 sep. 2025.