ASSESSMENT OF SOME MECHANICAL PROPERTIES AND MICROSTRUCTURE OF PARTICULATE PERIWINKLE SHELL-ALUMINIUM 6063 METAL MATRIX COMPOSITE (PPS-ALMMC) PRODUCED BY TWO-STEP CASTING. Nigerian Journal of Technology, [S. l.], v. 36, n. 2, p. 421–427, 2017. DOI: 10.4314/njt.362.1290. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/1290. Acesso em: 23 apr. 2026.