Shear and Hardness Properties Study of AA-6061 Aluminium Alloy Lap-Joints Produced by Friction Stir Spot Welding Process Using H13 Tool Steel. International Journal of Engineering Materials and Manufacture, [S. l.], v. 6, n. 3, p. 187–194, 2021. DOI: 10.26776/ijemm.06.03.2021.10. Disponível em: https://www.deerhillpublishing.com/index.php/ijemm/article/view/191. Acesso em: 22 jun. 2025.