共同セッション

[J] JIM-ISIJ Joint Session:Titan and Its Alloys

Thu. Sep 22, 2022 1:00 PM - 5:40 PM ISIJ Rm.No.11 (A21,2rd Flr.,Build.No.A)

座長:御手洗容子(東京大学)、松本洋明(香川大学)、松永哲也(宇宙航空研究開発機構)

※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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1:00 PM - 1:20 PM

[J1] Atomic Displacements around a Vacancy and Self-Diffusion in Transition Metals

*Masahiko MORINAGA¹, Hiroshi YUKAWA², Masahito YOSHINO² (1. Nagoya Industrial Science Research Institute, 2. Nagoya University)

1:20 PM - 1:40 PM

[J2] Study of lattice-variations due to aging using HREM-methods

*Eiichi SUKEDAI¹, Elisabeth GAUTIER², Moukarne DELMAS³, Eishi TANABE⁴ (1. Okayama Univ. of Sci., 2. Univ. de Lorraine, France, 3. Univ. de Toulouse, France, 4. Hiroshima Pref. Tech. Res. Insti.)

1:40 PM - 2:00 PM

[J3] Effect of alloy composition on isothermal ω phase stability of Ti–Mo–Al shape memory alloys with the same A_s temperature

*Naoki NOHIRA¹, Yoshiaki OSHITA^1,2, Wan-Ting CHIU¹, Akira UMISE¹, Masaki TAHARA¹, Hideki HOSODA¹ (1. 東工大研究院、2. 東工大（院生）)

2:00 PM - 2:20 PM

[J4] Mechanical properties of α’ martensite Ti-V-Al alloy having: Effect of alloying composition

*Hiroaki MATSUMOTO¹, Naomasa UTAMI¹ (1. Kagawa Univ.)

break (2:20 PM - 2:40 PM)

2:40 PM - 3:00 PM

[J5] Cold-dwell fatigue property of linear friction welded Ti-6Al-4V alloy

*Yanhua Zhao¹, Hidetoshi Fujii¹, Yasuhiro Aoki¹, Kosaku Ushioda¹, Masaaki Nakai² (1. JWRI,Osaka Univ., 2. Kindai Univ.)

3:00 PM - 3:20 PM

[J6] Evolution of dislocation structure in dwell-fatigue for α-β Ti alloys

*Daiki Miyashita¹, Yusuke Nakao², Osamu Umezawa³ (1. Yokohama National Univ., 2. Yokohama National Univ., 3. Yokohama National Univ.)

3:20 PM - 3:40 PM

[J7] X-ray line profile analysis on annealed microstructure of severely deformed Ti-0.35 %O alloys

*Yusuke Nakao¹, Osamu Umezawa² (1. Yokohama National Univ., 2. Yokohama National Univ.)

3:40 PM - 4:00 PM

[J8] The effect of β/α strength ratio and volume fraction of β for fatigue properties of Ti-alloys

*Yuji Ishida¹, Sae Matsunaga², Tetsuya Matsunaga³, Yoshiaki Toda⁴, Yoko Mitarai⁵ (1. The Univ. of Tokyo, 2. The Univ. of Tokyo, 3. The Univ. of Tokyo/NIMS, 4. NIMS, 5. The Univ. of Tokyo)

break (4:00 PM - 4:20 PM)

4:20 PM - 4:40 PM

[J9] Grain refinement in Ti prevents low temperature oxygen embrittlement

*Yan Chong^1,2,3, Reza Gholizadeh¹, Tomohito Tsuru^2,4, Andrew Minor³, 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、3. Department of Materials Science and Engineering, UC Berkley, CA, USA、4. Nuclear Science and Engineering Center, Japan Atomic Energy Agency, Tokai-mura, Ibaraki, Japan)

4:40 PM - 5:00 PM

[J10] Rotation in crystallographic orientation of Ti-6Al-4V alloy by isothermal forging:
Experiment and crystal plasticity finite element analysis

*Shingo YOSHIDA¹, Ryuichi SASE³, Yukichi HANAYAMA³, Hiroaki MATSUMOTO² (1. Kagawa Univ(M), 2. Kagawa Univ, 3. Olympus)

5:00 PM - 5:20 PM

[J11] Quantification method of flow stress for α+β titanium alloy in hot deformation

*Yuki Shimomura¹, Jun Yanagimoto² (1. The Univ. of Tokyo, 2. The Univ. of Tokyo)

5:20 PM - 5:40 PM

[J12] Effect of Crystal Orientation on Hot Deformation in Commercially Pure Titanium

*Tomonori Kunieda¹, Kazuhiro Takahashi², Genki Tsukamoto³ (1. Nippon Steel, 2. Nippon Steel, 3. Nippon Steel)

Session information