Comparative Study of Hardfacing of AISI 1020 Steel by Three Different Welding Processes. Global Journals of Research in Engineering, [S. l.], v. 13, n. A4, p. 11–16, 2013. Disponível em: https://testing.engineeringresearch.org/index.php/GJRE/article/view/760. Acesso em: 6 jun. 2026.