[G3-O401] Oral 401

2023年12月14日(木) 09:00 〜 12:00 Session 17 (Room 509)

Chair: Ninshu Ma (JWRI, Osaka University), Hajime Yamamoto (Osaka Univ.), Yoshiki Mikami (JWRI, Osaka University), Takayuki Yamashita (JWRI, Osaka University)

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09:00 〜 09:25

[G3-O401-01] Exploring Fluid Dynamics and Humping Formation Mechanisms in High–Speed Laser Welding

*Zen-Hao Lai¹, Wei-Chen Lin¹, Siguang Xu², Jingjing Li¹ (1. Pennsylvania State University (United States of America), 2. General Motors LLC (United States of America))

09:25 〜 09:45

[G3-O401-02] Experimental Measurement of Heat Amount of Tungsten Electrode in GTA welding

*Yuki Asai¹, Hisaya Komen¹, Manabu Tanaka¹, Masashi Nomoto², Kotaro Watanabe², Takahiro Kamo² (1. Joining and Welding Research Inst., Osaka Univ. (Japan), 2. Nippon Steel Corp. (Japan))

09:45 〜 10:05

[G3-O401-03] On the potential of a hemispherical tool in friction stir welding: application to 6061-T6 butt and dissimilar Fe-Al lap welding

*Danilo Ambrosio¹, Abhishek Sharma¹, Muneaki Mukuda¹, Yoshiaki Morisada¹, Hidetoshi Fujii¹ (1. Joining and Welding Res. Inst., Osaka Univ. (Japan))

10:05 〜 10:25

[G3-O401-04] Microstructural evolution and mechanical properties of the FSPed Al/GNP nanocomposite fabricated via spark plasma sintering

*Abhishek Sharma¹, Yoshiaki Morisada¹, Hidetoshi Fujii¹ (1. JWRI, Osaka University (Japan))

Break (10:25 〜 10:35)

10:35 〜 11:00

[G3-O401-05 (Symposium Invited)] Detailed Evaluation of In-situ Observations of Weld Solidification Behavior by Synchrotron Radiation X-rays Utilizing Data Science

*Houichi Kitano¹, Tomoya Nagira¹ (1. National Institute for Materials Science (Japan))

11:00 〜 11:20

[G3-O401-06] Alloying of Low-Carbon Steel Surface Due to Friction Stir Processing with WC Tool Wear

*Hajime Yamamoto¹, Yuji Yamamoto¹, Yudai Imagawa¹, Kazuhiro Ito¹, Yoshiki Mikami¹ (1. Osaka Univ. (Japan))

11:20 〜 11:40

[G3-O401-07] Phase Transformation on the Heat Affected Zone in Aluminum/High Strength Steel Lap Joints using Resistance Element Welding for Lightweight Vehicles

*Seungyeop Baek^1,2, Ninshu Ma², Jongho Song¹, Seung-Joon Lee³, Min-Su Kim⁴, Dongjin Kim⁴ (1. Korea Automotive Technology Inst. (Korea), 2. Joining and Welding Research Inst. (Japan), 3. Tech Univ Korea (Korea), 4. Korea Institute of Industrial Tech. (Korea))

11:40 〜 12:00

[G3-O401-08] Alternative Tempering Method for Post Weld Heat Treatment Using Wire Arc Additive Manufacturing in Preemptive Weld Overlay Process of Nuclear Power Plant Preventive Maintenance

*Junyeong Kim¹, Ninshu Ma², Jungsoo Park¹, Seung-Joon Lee³, Seungyeop Baek⁴, Dongjin Kim⁵ (1. Chosun Univ. (Korea), 2. Osaka Univ. (Japan), 3. Tech Univ. of Korea (Korea), 4. Korea Automotive Tech. Inst. (KATECH) (Korea), 5. Korea Inst. of Indus. Tech. (KITECH) (Korea))

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