日本金属学会2023年春期(第172回)講演大会
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Session Details

共同セッション

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

Thu. Mar 9, 2023 1:00 PM - 4:40 PM JST
Thu. Mar 9, 2023 4:00 AM - 7:40 AM UTC
ISIJ'ｓ room no.7 Rm.159, 2nd Flr., Build.No1
座長:塚本 元気(日本製鉄)、白石 貴久(熊本大学)、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）
1:00 PM - 1:20 PM JST(4:00 AM - 4:20 AM UTC)

[J7]TEM analysis of age hardening in a Ti-6Al-4V alloy with (α+α') duplex microstructure

*Hiroaki MATSUMOTO1, Ryota YOSHIOKA2, Takanori KIGUCHI3 (1. Kagawa Univ., 2. Kagawa Univ., 3. Kumamoto Univ. MRC)
1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[J8]Effect of cooling rate and impurity elements on microstructure formation of Ti-Al-V alloys

*Takanori KIGUCHI1, Takato TSUNODA2, Takahisa SHIRAISHI1 (1. Kumamoto Univ. MRC, 2. Kumamoto Univ.)
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[J9]Effect of cooling rate and Cu addition on the microstructure of Ti-Fe-Cu-Al alloys

*Takahisa SHIRAISHI1, Takanori KIGUCHI1 (1. Kumamoto Univ. MRC)
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)

[J10]Evaluation of effect of alloying elements on the oxidation in Ti surfaces
by computational materials science

*Ryoji SAHARA1, Kanika Kohli2, Kr.　Somesh Bhattacharya1, Prasenjit Ghosh2, Kyosuke Ueda3, Takayuki Narushima3 (1. NIMS, 2. IISER, 3. Graduate School of Eng. Tohoku Univ.)
2:40 PM - 3:00 PM JST(5:40 AM - 6:00 AM UTC)

[J11]Systematic study and machine learning approaches to assess the tensile properties of a Ti-6Al-2Sn-4Zr-2Mo-Si having α+α’ microstructures

*Irvin Sechepee1, Hiroaki Matsumoto2, Vincent Velay3 (1. Kagawa Univ., 2. Kagawa Univ., 3. IMT Albi)
3:00 PM - 3:20 PM JST(6:00 AM - 6:20 AM UTC)

[J12]Estimation of single-crystalline Young’s moduli of multicomponent β-type titanium alloys based on micromechanics

*Yuya Ishiguro1, Genki Tsukamoto2, Shinya Nishiyama3, Tomonori Kunieda4 (1. Nippon Steel, 2. Nippon Steel, 3. Nippon Steel, 4. Nippon Steel)
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)

[J13]Effects of temperature and grain size on active twinning systems in commercially pure titanium

*Genki Tsukamoto1, Tomonori Kunieda2, Shigeto Yamasaki3, Masatoshi Mitsuhara4, Hideharu nakashima5 (1. Nippon Steel, 2. Nippon Steel, 3. Kyushu Univ., 4. Kyushu Univ., 5. Kyushu Univ.)
4:00 PM - 4:20 PM JST(7:00 AM - 7:20 AM UTC)

[J14]Mechanical characterisation of additively manufactured Ti-6Al-4V with basketweave microstructure using micro-tensile testing

*Kwangsik Kwak1, Haruki Oka2, Tsuyoshi Mayama3, Yoji Mine4 (1. Kumamoto Univ., 2. Kumamoto Univ., 3. Kumamoto Univ., 4. Kumamoto Univ.)
4:20 PM - 4:40 PM JST(7:20 AM - 7:40 AM UTC)

[J15]Damage accumulation and local strain concentration during cold-dwell fatigue for Ti-Al-Fe alloys

*Yusuke Akagawa1, Osamu Umezawa2 (1. Yokohama National University（graduate student）, 2. Yokohama National University)
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