EFFECT OF PREHEATING ON THE HARDNESS of Al25Mg2Si-2Cu-4Mn ALLOY. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135), [S. l.], v. 2, n. 6, p. 44–48, 2016. Disponível em: https://ijerat.com/index.php/ijerat/article/view/164. Acesso em: 14 nov. 2026.