1. Associate Professor, Department of Mechanical Engineering, M. Kumarasamy College of Engineering (Autonomous), Thalavapalayam, Karur, 639 113, Tamil Nadu, IN, e-mail: balki2009@yahoo.com
2. Professor, Center for Materials Joining and Research (CEMAJOR), Department of Manufacturing Engineering, Annamalai University, Annamalainagar, 608 002, Tamil Nadu, IN (Corresponding author), e-mail: balasubramanian.v.2784@annamalaiuniversity.ac.in
3. Scientist G, Group Head, Solidification Technology Division, Metal Joining Group, Defence Metallurgical Research Laboratory (DMRL), Kanchanbaugh, Hyderabad, 500058, IN, e-mail: gmreddy_dmrl@yahoo.co.in