GUERRA-ÁLVAREZ, J.; POZO-MOREJÓN, J. A.; CRUZ-CRESPO, A.; MIGUEL-ORIA, J. V. STUDY OF THE HARDNESS IN THE HEAT AFFECTED ZONE IN WELDING OF A 4130 AISI STEEL HARDENED BY HEAT TREATMENT. Centro Azúcar Journal, [S. l.], v. 46, n. 1, p. 8, 2019. Disponível em: http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/40. Acesso em: 6 jun. 2025.