ASSESSMENT OF SOME MECHANICAL PROPERTIES AND MICROSTRUCTURE OF PARTICULATE PERIWINKLE SHELL-ALUMINIUM 6063 METAL MATRIX COMPOSITE (PPS-ALMMC) PRODUCED BY TWO-STEP CASTING. NIJOTECH [Internet]. 2017 Mar. 31 [cited 2026 Jun. 3];36(2):421-7. Available from: https://mail.nijotech.com/index.php/nijotech/article/view/1290