Experimental investigation to limit the effecting of friction stir welding factors on the strength of AA6061-T651. Periodicals of Engineering and Natural Sciences, [S. l.], v. 7, n. 3, 2019. DOI: 10.21533/pen.v7.i3.1630. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/1630. Acesso em: 13 may. 2026.