1. Department of Mechanical Engineering Changwon National University 20, Changwondaehak‐ro, Uichang‐gu Changwon‐si Gyeongsangnam‐do 51140 Republic of Korea
2. Department of Joining Technology Materials Testing & Reliability Division Korea Institute of Materials Science 797, Changwon‐daero, Seongsan‐gu Changwon‐si Gyeongsangnam‐do 51508 Republic of Korea
3. Busan Machinery Research Center Korea Institute of Machinery and Materials 48, Mieumsandan 5–40, 41beon‐gil, Gangseo‐gu Busan 46744 Republic of Korea