M Manjaiah is an Assistant Professor at the Dept of Mechanical Engineering of NIT Warangal, India. His research interests include additive manufacturing, surface engineering, welding, and advanced machining. He also lectures students in a wide range of engineering subjects, and has extensive industrial expertise working with partners including Naval Group, Stelia, and Renault. K Raghavendra is an Associate Professor at the Centre for Incubation, Innovation, Research, and Consultancy of Jyothy Institute of Technology, Bengaluru, India. His research focus is on non-conventional machining. N Balashanmugam is Joint Director of the Central Manufacturing Technology Institute (CMTI), Bengaluru, India. His work focuses on ways of helping heavy industry to adapt to the challenges and opportunities presented by digital transformation, with particular emphasis on manufacturing. J. Paulo Davim is a full professor at the University of Aveiro, Portugal. He is also distinguished as an honorary professor in several universities and colleges in China, India, and Spain. He is the series editor of Elsevier’s Woodhead Publishing Reviews: Mechanical Engineering Series.