Experimental Investigation of Hardness and Surface Roughness in the Friction Stir Welding of the 6061-T6 Aluminum Alloy. Hungarian Journal of Industry and Chemistry, [S. l.], v. 52, n. 1, p. 37–43, 2024. DOI: 10.33927/hjic-2024-06. Disponível em: https://hjic.mk.uni-pannon.hu/index.php/hjic/article/view/1222. Acesso em: 16 oct. 2024.