1. Institute for Nanoengineering Research, Department of Chemical, Metallurgical & Materials Engineering, Tshwane University of Technology, Pretoria, South Africa
2. Department of Mining and Metallurgical Engineering, University of Namibia, Ongwediva Campus, Namibia
3. Department of Mechanical Engineering Science, University of Johannesburg, Johannesburg, South Africa
4. Department of Materials and Metallurgical Engineering, University of Ilorin, Ilorin, Nigeria
5. Department of Mechanical Engineering, Butterworth Campus, Walter Sisulu University, South Africa
6. Materials Innovation Centre, School of Engineering, University of Leicester, UK
7. Engineering Department, University of Leicester, UK
8. Directorate, Pan Africa University for Life and Earth Sciences Institute, Ibadan, Nigeria