1. Department of Aeronautical Engineering, Nehru Institute of Engineering and Technology, Coimbatore, India
2. Department of Mechanical Engineering, Sri Ramakrishna Engineering College, Coimbatore, India
3. School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, Johannesburg, South Africa
4. Department of Chemical, Materials and Metallurgical Engineering, Botswana International University of Science and Technology, Palapye, Botswana
5. Centre for Nano Engineering and Tribo Corrosion, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, Johannesburg, South Africa