日本金属学会2022年春期(第170回)講演大会
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Session Details

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 JST
Thu. Mar 17, 2022 12:00 AM - 3:10 AM UTC
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）
9:00 AM - 9:20 AM JST(12:00 AM - 12:20 AM UTC)

[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 JST(12:20 AM - 12:40 AM UTC)

[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 JST(12:40 AM - 1:00 AM UTC)

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

*Tatsuro HASHINO1, Syuhei Yoshida1,2, Bai Yu2,3, Nobuhiro Tsuji1,2 (1. Kyoto University, 2. ESISM, 3. Dalian University of Technology)
10:00 AM - 10:20 AM JST(1:00 AM - 1:20 AM UTC)

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

*Yan Chong1,2, Nobuhiro Tsuji1,2 (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 JST(1:20 AM - 1:40 AM UTC)

[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)
10:40 AM - 10:50 AM JST(1:40 AM - 1:50 AM UTC)

break

10:50 AM - 11:10 AM JST(1:50 AM - 2:10 AM UTC)

[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 JST(2:10 AM - 2:30 AM UTC)

[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 JST(2:30 AM - 2:50 AM UTC)

[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 JST(2:50 AM - 3:10 AM UTC)

[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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