EFFECTS OF SULPHUR ADDITION ON MICROSTRUCTURAL MODIFICATION AND MECHANICAL PROPERTIES OF SAND CAST Al-12wt% Si ALLOY. Nigerian Journal of Technology, [S. l.], v. 33, n. 1, p. 43–48, 2014. DOI: 10.4314/njt.331.747. Disponível em: https://nijotech.com/index.php/nijotech/article/view/747. Acesso em: 16 apr. 2026.