1. Department of Materials Engineering, College of Engineering, Kwame Nkrumah University of Science and Technology, PMB University Post Office, KNUST-Kumasi, Ghana
2. Department of Applied Science, University of Québec at Chicoutimi, Aluminum Research Center – REGAL, Chicoutimi, QC, G7H 2B1, Canada
3. Department of Materials Science and Engineering, University of Ghana, P.O. Box LG 77, Legon-Accra, Ghana