PICCINI, J. M.; SVOBODA, H. G. Effect of tool rotational speed and penetration depth on dissimilar aluminum alloys friction stir spot welds. Revista de Metalurgia, [S. l.], v. 53, n. 1, p. e090, 2017. DOI: 10.3989/revmetalm.090. Disponível em: https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/1398. Acesso em: 1 dec. 2022.