1. School of Materials Engineering, Universiti Malaysia Perlis (UniMAP), Kompleks Pengajian Jejawi, Jejawi; 02600 Arau Perlis Malaysia
2. School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia; 14300 Seberang Perai Selatan Penang Malaysia
3. Department of Mechanical Engineering; Universiti Malaya; 50603 Kuala Lumpur Malaysia