[S6] S6 Nuclear energy materials -Common challenges for sustainable development in nuclear materials community-(2) | Year 2025 Autumn Annual Meeting of JIMM

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Session Details

公募シンポジウム講演

[S6]S6 Nuclear energy materials -Common challenges for sustainable development in nuclear materials community-(2)

Thu. Sep 18, 2025 1:25 PM - 5:30 PM JST
Thu. Sep 18, 2025 4:25 AM - 8:30 AM UTC

Room C(B12 1st floor Building B)

Chair:Makoto Fukuda, Naoko Ono, Takahiro Ishizaki, Yoosung HA

※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）

1:25 PM - 1:40 PM JST(4:25 AM - 4:40 AM UTC)

[S6.16]Technical study on the feasibility of TEM/STEM imaging of inhomogeneous microstructure development due to irradiation (2nd report)

*KANO Sho¹, Ando Masami¹, Hamaguchi Dai¹, Watanabe Yoshiyuki¹, Shibayama Tamaki², Nozawa Takashi¹ (1. QST, 2. Hokkaido Univ.)

Comment()

1:40 PM - 1:55 PM JST(4:40 AM - 4:55 AM UTC)

[S6.17]Evaluation of carbide distribution in RPV steel using low-voltage SEM/EDS and machine learning

*MAEDA Yuuki^1,2, Fujii Katsuhiko¹, Kasada Ryuta³, Fukuya Koji¹ (1. Institute of Nuclear Safety System, 2. Tohoku Univ. Graduate School of Eng., 3. IMR: Tohoku Univ.)

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1:55 PM - 2:10 PM JST(4:55 AM - 5:10 AM UTC)

[S6.18]Dislocation loop in HAZ of RPV steel studied by TEM

*SHIMODAIRA Masaki¹, Ha Yoosung¹, Toyama Takeshi¹ (1. JAEA)

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2:10 PM - 2:25 PM JST(5:10 AM - 5:25 AM UTC)

[S6.19]Study on 1D motion of interstitial-type clusters in the reduced activation ferritic/martensitic steel F82H

Hashimoto Naoyuki², Oka Hiroshi², Isobe Shigehito², *Yokoyama Taichi¹ (1. Graduate School of Engineering, Hokkaido Univ., 2. Faculty of Engineering, Hokkaido Univ.)

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2:25 PM - 2:40 PM JST(5:25 AM - 5:40 AM UTC)

[S6.20]Effect of grain boundary character on microstructural change in electron-irradiated ferritic/martensitic steel

*Taoka Yukito¹, Hashimoto Naoyuki², Oka Hiroshi², Isobe Shigehito² (1. Graduate School of Engineering, Hokkaido Univ., 2. Faculty of Engineering, Hokkaido Univ.)

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

[S6.21]Recovery of low temperature hardening and role of subnano-cluster in neutron-irradiated ODS steels

*OHNUKI Somei¹, Q Zhan¹, W Han¹, X Yi¹, F Wan¹, Naoko Oono², Kenta Yoshida³, Koji Inoue³, Takeshi Toyama³, Yasuyoshi Nagai⁴, Shigeharu Ukai⁵ (1. U Sci Tech Beijing, 2. Eng.Tohoku U, 3. IMR, Tohoku U, 4. CRIEPI, 5. Eng. Hokkaido U)

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3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[S6.22]Evaluation of obstacle strength of dislocation loop-Cu cluster complex through atomistic simulations

*SHIOTANI Kohei¹, Shimodaira Masaki¹, Toyama Takeshi¹ (1. Japan Atomic Energy Agency)

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3:15 PM - 3:35 PM JST(6:15 AM - 6:35 AM UTC)

[S6.23]The Effect of Dose Rate to Solute Atom Cluster formation in low-Cu Content Low Alloy Steel

*SETO Hitoshi¹, Kitsunai Yuji², Okido Shinobu³, Morishima Yasuo⁴, Oka Hiroshi⁵, Hashimoto Naoyuki⁵ (1. NFD (Now Hitachi GE Vernova), 2. NFD, 3. Hitachi GE Vernova, 4. Toshiba ESS, 5. Hokkaido University)

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3:35 PM - 3:45 PM JST(6:35 AM - 6:45 AM UTC)

break

3:45 PM - 4:10 PM JST(6:45 AM - 7:10 AM UTC)

[S6.24]Effects of Al addition and vacancies on the formation of Cr-rich precipitates in Fe–Cr–Al alloys

*ABE Yosuke¹, TSURU Tomohito¹, KUBO Atsushi¹, UKAI Shigeharu^1,2 (1. JAEA, 2. Hokkaido Univ.)

Comment()

4:10 PM - 4:25 PM JST(7:10 AM - 7:25 AM UTC)

[S6.25]Irradiation effect on hardness and microstructural evolution in Fe-Cr binary alloys

*KAMIYAMA Kaito^1,2, TOYAMA Takeshi³, INOUE Koji², SATO Koichi⁴, GENG Diancheng², Park Minha², Ogino Yasuyuki², YU Hao², YABUUCHI Kiyohiro², KONDO Sosuke², KASADA Ryuta² (1. 東北大工（院生）、2. 東北大金研、3. 東北大金研（現：JAEA）、4. 鹿児島大工)

Comment()

4:25 PM - 4:50 PM JST(7:25 AM - 7:50 AM UTC)

[S6.26]Anomalous Point Defect Recombination in β-Titanium Alloys and Its Implication for Radiation Tolerance in Nuclear and Fusion Structural Materials

*ISHIDA Taku¹, WAKAI Eiichi¹, HASEGAWA Akira¹, EMURA Satoshi², TSUCHIYA Koichi², FURUYA Kazuyuki³, KANO Sho⁴, ABE Hiroaki⁵, SHIBAYAMA Tamaki⁶ (1. J-PARC Center, 2. NIMS RCSM, 3. NIT Hachinohe College, 4. U.Tokyo (Present:QST), 5. Univ. Tokyo, 6. Hokkaido U.)

Comment()

4:50 PM - 5:10 PM JST(7:50 AM - 8:10 AM UTC)

[S6.27]High-Throughput Nanoindentation Mapping of α’ Precipitates in Ion-Irradiated Combinatorial FeCrAl Alloys

*UKAI Shigeharu^1,2, ABE Yosuke¹, GENG Diancheng³, KUBO Atsushi¹, SASAKI Taisuke⁴, MOHAMAD Afiqa¹, FUJITA Yohei^1,5, OKUBO Nariaki¹, YAMASHITA Shinichiro¹, YU Hao³, KASADA Ryuta³ (1. JAEA, 2. Hokkaido Univ., 3. Tohoku Univ.-IMR, 4. NIMS, 5. Japan Axis Co, Ltd)

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5:10 PM - 5:30 PM JST(8:10 AM - 8:30 AM UTC)

[S6.28]Irradiation-induced local deformation behavior in reduced-activation ferritic-martensitic steels

*LEE Sumin^1,2, Geng Diancheng¹, Furukawa Yuma², Noh Sanghoon³, Ogino Yasuyuki¹, Konde Sosuke¹, Park Minha¹, Yu Hao¹, Kasada Ryuta¹ (1. Institute for Materials Research, 2. School of Engineering, Tohoku University, 3. Pukyong National University)

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