日本金属学会2022年秋期(第171回)講演大会
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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 JST
Thu. Sep 22, 2022 4:00 AM - 8:40 AM UTC
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）
1:00 PM - 1:20 PM JST(4:00 AM - 4:20 AM UTC)

[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 JST(4:20 AM - 4:40 AM UTC)

[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 JST(4:40 AM - 5:00 AM UTC)

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

*Naoki NOHIRA1, Yoshiaki OSHITA1,2, 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 JST(5:00 AM - 5:20 AM UTC)

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

*Hiroaki MATSUMOTO1, Naomasa UTAMI1 (1. Kagawa Univ.)
2:20 PM - 2:40 PM JST(5:20 AM - 5:40 AM UTC)

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2:40 PM - 3:00 PM JST(5:40 AM - 6:00 AM UTC)

[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 JST(6:00 AM - 6:20 AM UTC)

[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 JST(6:20 AM - 6:40 AM UTC)

[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 JST(6:40 AM - 7:00 AM UTC)

[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)
4:00 PM - 4:20 PM JST(7:00 AM - 7:20 AM UTC)

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4:20 PM - 4:40 PM JST(7:20 AM - 7:40 AM UTC)

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

*Yan Chong1,2,3, Reza Gholizadeh1, Tomohito Tsuru2,4, Andrew Minor3, 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、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 JST(7:40 AM - 8:00 AM UTC)

[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 JST(8:00 AM - 8:20 AM UTC)

[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 JST(8:20 AM - 8:40 AM UTC)

[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)
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