Study of the effect of the combination of protective gases on the structure of the weld bead for the GMAW process using pulsed arc and short circuit. Innovation & Development in Engineering and Applied Science, [S. l.], v. 5, n. 2, p. 22, 2023. DOI: 10.53358/ideas.v5i2.892. Disponível em: https://revistasojs.utn.edu.ec/index.php/ideas/article/view/892. Acesso em: 26 jul. 2026.