1. School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Johannesburg, South Africa
2. Department of Metallurgy and Materials Engineering, Karabük University, Karabük, Turkey
3. Manufacturing Cluster, Advanced Materials Engineering, Council for Scientific and Industrial Research, Pretoria, South Africa
4. DST-NRF Centre of Excellence in Strong Materials, University of the Witwatersrand, Johannesburg, South Africa
5. African Academy of Sciences, Nairobi, Kenya