*Sunghun Lee¹, Yong-jin Kang ¹, Han-sol Kwon¹, Young-jin Park¹, Yeon-woo Yoo¹ (1. Korea Inst. of Materials Sci. (Korea))

*Du-Cheng Tsai¹, Yen-Lin Huang², Yun-Chen Jiang², Fuh-Sheng Shieu¹ (1. National Chung Hsing University (Taiwan), 2. Metal Industries Research and Development Centre (Taiwan))

*Kosuke Takenaka¹, Rikuro Machida¹, Tetsuya Bono¹, Akiya Jinda¹, Soutaro Nakamoto¹, Ryosuke Koyari¹, Susumu Toko¹, Giichiro Uchida², Yuichi Setsuhara¹ (1. Osaka Univ. (Japan), 2. Meijo Univ. (Japan))

*Akira Masago¹, Yosuke Kawahito¹ (1. JAMSTEC (Japan))

*Makoto Takahashi¹ (1. Joining and Welding Research Inst., Osaka Univ. (Japan))

*SeungBeom Shin¹ (1. Sungkyunkwan University (Korea))

*Ryoga Ueda¹, Koki Maeda¹, Yuta Mizuguchi³, Keisuke Takenaka², Norio Yoshida², Yuji Sato², Minoru Yoshida¹, Masahiro Tsukamoto² (1. Kindai Univ. (Japan), 2. Joining and Welding Research Institute, Osaka Univ. (Japan), 3. Osaka Univ. (Japan))

*Kosei Yamamoto¹, Ryuhei Matsuda², Keisuke Takenaka³, Yuji Sato³, Yorihiro Yamashita⁴, Ayahito Saikai⁵, Taisei Yachi⁵, Mitsuhiro Kusaba², Masahiro Tsukamoto³ (1. Graduate School of Engineering, Osaka Univ. (Japan), 2. Graduate School of Engineering, Osaka Sangyo Univ. (Japan), 3. Joining and Welding Research Inst., Osaka Univ. (Japan), 4. National Inst. of Technology, Ishikawa College (Japan), 5. Industrial Research Inst. of Ishikawa Machinery & Material Division (Japan))

*Yoshiaki Kurita¹, Masashi Nakatani², Masami Mizutani³, Keisuke Takenaka³, Yuji Sato³, Masahiro Tsukamoto³ (1. Grad. Sch. of Eng., Osaka Univ. (Japan), 2. Sch. of Eng., Osaka Univ. (Japan), 3. JWRI, Osaka Univ. (Japan))