Session information

共同セッション

[J] JIM-ISIJ Joint Session:Titanium and Its alloys

Thu. Mar 17, 2022 9:00 AM - 12:10 PM Rm. F

座長:御手洗容子(東京大学)、松本洋明(香川大学)

※表示の講演時間には質疑応答時間も含みます。
（質疑応答時間5分、基調講演と招待講演は5～10分）

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9:00 AM - 9:20 AM

[J1] Effect of light reduction cold rolling on surface characteristics of electrodeposited titanium foils
(Manufacturing of high quality titanium thin foil by electrodeposition route －5)

*Takumi Kaneko¹, Yuta Nakajo², Daisuke Suzuki³, Matsuhide Horikawa⁴, Hideki Fujii⁵ (1. TOHO TITANIUM, 2. TOHO TITANIUM, 3. TOHO TITANIUM, 4. TOHO TITANIUM, 5. TOHO TITANIUM)

9:20 AM - 9:40 AM

[J2] Thermal oxidation and nitridation of Ti-5Al-2Sn-2Zr-4Mo-4Cr (Ti-17) alloys with added Si in atmospheric treatment

*Takayuki Narushima¹, Kyosuke Ueda², Satoshi Suzuki³, Ryoji Sahara⁴, Bhattacharya Somesh⁵ (1. Tohoku Univ., 2. Tohoku Univ., 3. Tohoku Univ., 4. NIMS, 5. NIMS)

9:40 AM - 10:00 AM

[J3] Anomalous grain size effect on mechanical properties in gum metal Ti-36Nb-2Ta-3Zr-0.4O

*Tatsuro HASHINO¹, Syuhei Yoshida^1,2, Bai Yu^2,3, Nobuhiro Tsuji^1,2 (1. Kyoto University, 2. ESISM, 3. Dalian University of Technology)

10:00 AM - 10:20 AM

[J4] Achieving ultrahigh yield strength and large uniform elongation
in ultrafine-grained titanium containing nitrogen

*Yan Chong^1,2, Nobuhiro Tsuji^1,2 (1. Department of Materials Science & Engineering, Kyoto University, Kyoto, Japan、2. Elements Strategy Initiative for Structural Materials (ESISM), Kyoto University, Kyoto, Japan)

10:20 AM - 10:40 AM

[J5] Dynamic globularization behavior under hot forging of Ti-6Al-4V alloy:Effect of initial lamellae-width (Experimental analysis and Machine learning)

*Hiroaki MATSUMOTO¹, Shingo YOSHIDA² (1. Faculty of engineering and design, Kagawa university, 2. Faculty of engineering, Kagawa university)

break (10:40 AM - 10:50 AM)

10:50 AM - 11:10 AM

[J6] Influence of distribution and amount ratio of β phase on the local strain accumulation and crack formation in dwell fatigue for α-β Ti alloys

*Daiki Miyashita¹, Osamu Umezawa² (1. Yokohama National Univ., 2. Yokohama National Univ.)

11:10 AM - 11:30 AM

[J7] Fatigue behavior of Ti alloys with different β/α strength ratio

*Yuji Ishida¹, Yoko Mitarai², Tetsuya Matsunaga³ (1. The Univ. of Tokyo, 2. The Univ. of Tokyo, 3. NIMS/The Univ. of Tokyo)

11:30 AM - 11:50 AM

[J8] The effect of micro texture regions on the dwell fatigue properties of Ti-6Al-4V alloy

*Shotaro Hashimoto¹, Kenichi Mori² (1. Nippon Steel, 2. Nippon Steel)

11:50 AM - 12:10 PM

[J9] Effect of Si addition on twinning and slip deformations in Titanium

*Yoshiki Koike¹, Genki Tsukamoto², Tomonori Kunieda³ (1. Nippon Steel, 2. Nippon Steel, 3. Nippon Steel)

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