日本金属学会2020年秋期(第167回)講演大会
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Session Details

共同セッション

[J]Titan and Its Alloys

Thu. Sep 17, 2020 1:00 PM - 5:00 PM JST
Thu. Sep 17, 2020 4:00 AM - 8:00 AM UTC
ISIJ Rm. No.10 ISIJ Rm.
Chair: Sub Chairman (assistant):
※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、基調講演と村上記念賞受賞講演は5～10分）
1:00 PM - 1:20 PM JST(4:00 AM - 4:20 AM UTC)

[J1]Production of Ti Powder from TiC by Sulfidation and Reduction in Molten Salt

*Eltefat Ahmadi1,2, Ryosuke　O. Suzuki1, Tatsuya Kikuchi1 (1. Hokkaido Univ., 2. JSPS postdoc)
1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[J2]Effect of Plasma-arc Melting Condition on Deoxidation of Titanium Melt

*Raiki ABE1, Kyosuke UEDA2, Daisuke MATSUWAKA3, Takayuki NARUSHIMA2 (1. Graduate School of Engineering, Tohoku Univ. (M2), 2. Graduate School of Engineering, Tohoku Univ., 3. Kobe Steel, Ltd.)
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[J3]Measurement of accurate true stress - true strain curves up to large strain at high temperature in Ti-17 alloy using the image analysis tensile test method

*Masanori Taga1, Shiro Torizuka1, Atsushi Ito1 (1. Univ. of Hyogo)
2:00 PM - 2:20 PM JST(5:00 AM - 5:20 AM UTC)

break

2:20 PM - 2:40 PM JST(5:20 AM - 5:40 AM UTC)

[J4]Strength-ductility balance of the Ti-17 alloy with various microstructures and estimation of dominating factor assisted by machine learning

*Hiroaki MATSUMOTO1, Daiki TADOKORO2 (1. Kagwa Univ., 2. Kagawa Univ.(Present: Hitachi Metals Co.))
2:40 PM - 3:00 PM JST(5:40 AM - 6:00 AM UTC)

[J5]Analysis of solid-solution strengthening using δ parameters in heat-resistant near-α Ti alloys

*Haruki MASUYAMA1,2, Yoshiaki Toda2, tetsuya Matsunaga2,3, Tsutomu Ito4, Masayuki Shimojo5, Yoko Mitarai2,3 (1. Shibaura Inst. of Tech. (Graduate student), 2. NIMS, 3. The Univ. of Tokyo, 4. Toyama Pref. Univ., 5. Shibaura Inst. of Tech.)
3:00 PM - 3:20 PM JST(6:00 AM - 6:20 AM UTC)

[J6]Dependency of Slip System Activity on Strain Rate in Polycrystalline α-Ti

*Yoshiki KAWANO1, Taiki Okamoto2, Tsuyoshi Mayama3, Masatoshi Mitsuhara4, Shigeto Yamasaki4 (1. Kitami Inst. of Tech., 2. Kitami Inst. of Tech., 3. Kumamoto Univ., 4. Kyushu Univ.)
3:20 PM - 3:40 PM JST(6:20 AM - 6:40 AM UTC)

break

3:40 PM - 4:00 PM JST(6:40 AM - 7:00 AM UTC)

[J7]Microstructural evolution of Ti-6Al-4V alloy produced by forging process combined with torsional motion

*Hatsumi ONISHI1, Hiroaki Matsumoto2, Kazuki Takamoto3, Ryo Matsumoto3 (1. Kagawa Univ, 2. Kagawa University, 3. Osaka Univ)
4:00 PM - 4:20 PM JST(7:00 AM - 7:20 AM UTC)

[J8]Heat treatment behavior of Ti-V-Mn-Fe-Al system alloys

*Masahiko IKEDA1, Masato UEDA1, Yuki NAKAMURA2 (1. Faculty of Chemistry, Materials and Bioengineering, Kansai University, 2. Research & Development Center, Daido Steel Co., Ltd.)
4:20 PM - 4:40 PM JST(7:20 AM - 7:40 AM UTC)

[J9]Effect of heat treatment and testing temperature on deformation behavior of Ti-Mo-Al shape memory alloy

*Naoki NOHIRA1, Kenta HAYASHI1,2, Masaki TAHARA3, Hideki HOSODA3 (1. 東工大 (院生)、2. 現: 大同特殊鋼、3. 東工大 研究院)
4:40 PM - 5:00 PM JST(7:40 AM - 8:00 AM UTC)

[J10]Reverse Transformation of Beta Phase and Microstructure Evolution in Thermomechanically Processed Fe-including Titanium

*Tatsuro HASHINO1, Yu BAI2,3, Akinobu SHIBATA4, Nobuhiro TSUJI2,3 (1. Student, Kyoto Univ., 2. Kyoto Univ., 3. ESISM,Kyoto Univ., 4. NIMS)
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