1. Department of Materials Engineering, Pusan National University, Changjeon-Dong, Pusan 46241, South Korea
2. Production Support Team, DNV Korea, U-dong Pusan 48120, South Korea
3. Welding and Joining Research Group, Korea Institute of Industrial Technology, 7-47, Songdodong, Yeonsugu, Incheon 21999, South Korea
4. Department of Mechanical and Materials Engineering, Portland State University, Portland, OR 97201, USA