Prof Patricia Popoola is a Full Professor at the Department of Chemical, Metallurgical and Materials Engineering, at the Tshwane University of Technology, Pretoria, South Africa. She is an NRF rated researcher (C3-category) with research focus in Advanced Engineering Materials. She is an author/co-author of more than 400 Journal articles (in high-impact Journals and Conference Proceedings) and more than 30 book chapters. Currently, she has produced thirty Masters' and fifteen Doctoral degree graduates. Prof Popoola and her students are recipients of numerous academic excellence awardsDr. SA Raji is presently a Post-Doctoral Research Fellow in the Department of Chemical, Metallurgical and Materials Engineering, at Tshwane University of Technology, Pretoria, South Africa. Dr. SA Raji obtained BEng (2010) and MEng (2015) in the Department of Metallurgical and Materials Engineering at the Federal University of Technology, Akure, Ondo State, Nigeria. He also studied at the Tshwane University of Technology, Pretoria, South Africa, where he obtained DEng (2022) in the Department of Chemical, Metallurgical and Materials Engineering. He joined the Department of Metallurgical Engineering, Yaba College of Technology, Yaba, Lagos State, Nigeria as a lecturer from 2014 till date. He is a certified member of the Council for the Regulation of Engineering in Nigeria (COREN) as a Registered Engineer and a Corporate Member of the Nigerian Society of Engineers (MNSE). His research interest includes powder metallurgy, corrosion prevention and protection, surface engineering, nanotechnology, materials testing and characterization, sustainable and renewable energy, physical metallurgy, hydrogen energy storage, modeling and simulation, advanced material development and laser material processing including other additive manufacturing techniques. Dr. SA Raji has co-authored several peer-review research articles, review articles, modelling and simulation articles. He has also attended and presented his research findings in both local and international conferences. He is a reviewer for different journals.