“Influence of Plastic Deformation in 6061 -T6 Aluminium Alloy Welded Specimens on the Hardness Characteristics”. Revista Científica Ingeniería y Desarrollo. 24, no. 24 (June 30, 2011). Accessed October 23, 2026. https://rcientificas.uninorte.edu.co/ingenieria/article/view/1676.