一般講演

[G] Nuclear Materials

Fri. Sep 17, 2021 9:00 AM - 12:10 PM Rm. F (ZoomRm.F)

座長:松川義孝(熊本大学)、藪内聖皓(京都大学)、安田和弘(九州大学)

※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）

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9:00 AM - 9:15 AM

[123] Effects of Mn Concentration on Hardening and Microstructural Evolution in Fe-Mn Alloys under Ion Irradiation

*Katsuhiko FUJII¹, Kiyohiro YABUUCHI², Koji FUKUYA¹ (1. 原子力安全システム研究所、2. 京大エネ研)

9:15 AM - 9:30 AM

[124] In-situ WB-STEM observation of thermal relaxation process of lattice strain in RPV steels

*Hotaka MIYATA¹, Yufeng DU², Yusuke SHIMADA², Kenta YOSHIDA², Takeshi TOYAMA², Koji INOUE², Yasuyoshi NAGAI² (1. Grad. Sch. Eng., Tohoku Univ, 2. IMR, Tohoku Univ)

9:30 AM - 9:45 AM

[125] Migration energies of point defects in α-iron estimated by in situ observation of interstitial clusters using high-voltage electron microscopy

*Yosuke ABE¹, Yuhki SATOH², Naoyuki HASHIMOTO³ (1. JAEA, 2. Hiroshima Inst. Tech., 3. Hokkaido Univ.)

break （9:45 AM - 10:05 AM）

10:05 AM - 10:20 AM

[126] Bidirectional Kinetic Modelling of Hydrogen Absorption and Desorption in Ti and Zr

Yoshiki Hamamoto¹, Yuta Shimohata¹, Takeru Uchikoshi¹, Kengo Nishi¹, Jun Yamazaki¹, *Katsuaki Tanabe¹ (1. Kyoto Univ.)

10:20 AM - 10:35 AM

[127] Ab initio molecular dynamics study of threshold displacement energy in Zirconium Nitride

Mohammad　Majidur Rahman^1,2, *Tomokazu YAMAMOTO¹, Syo Matsumura¹, Jean　Marc Costantini³, Kazuhiro Yasuda¹ (1. Kyushu University, 2. Jagannath University, 3. Le Centre CEA de Saclay)

10:35 AM - 10:50 AM

[128] Electron energy dependence of irradiation defects in ZrN induced by electron irradiation

*Norihiro SAKAGUCHI¹, M.Rahman Mohammad^1,2, Tomokazu YAMAMOTO¹, Syo MATSUMURA¹, Kazuhiro YASUDA¹, Seiya TAKAGI³, Masahide TAKANO³ (1. 九州大学、2. Jagannath Univ.、3. 原子力機構)

break （10:50 AM - 11:10 AM）

11:10 AM - 11:25 AM

[129] Composition Range of the G-phase and Its Solubility of Fe

*Riku Takao¹, Yoshitaka Matsukawa², Takateru Yamamuro², Sadahiro Tsurekawa², Akira Takeuchi³, Kiyohiro Yabuuchi⁴, Kenta Yoshida⁶, Kunio Yubuta⁵ (1. Kumamoto Univ (master), 2. Kumamoto Univ, 3. Hyogo Univ, 4. Kyoto Univ, 5. Kyusyu Univ, 6. Tohoku Univ)

11:25 AM - 11:40 AM

[130] Atomic Diffusion Upon Dissolution of G-phase into Bcc-Fe

*DAIKI WATANABE¹, Yoshitaka Matsukawa², Takateru Yamamuro², Kiyohiro Yabuuti³, kenta Yoshida⁴, Sadahiro Tsurekawa² (1. Kumamoto Univ. (master), 2. Kumamoto Univ., 3. Kyoto Univ., 4. Tohoku Univ.)

11:40 AM - 11:55 AM

[131] Technical Limitations and Precision of Ab Initio Simulation on the G-phase

*Tsunehiko HAMAZATO¹, Soyo Tsujimura², Chisato Sakaguchi⁴, Sadahiro Tsurekawa³, Yoshiya Homma⁵, Kiyohiro Yabuchi⁶, Yoshitaka Matsukawa³, Masatake Yamaguchi⁷ (1. Kumamoto Univ.(master), 2. Kumamoto Univ., 3. Kumamoto Univ., 4. Kumamoto Univ.（NFD）, 5. Tohoku Univ., 6. Kyoto Univ., 7. JAEA)

11:55 AM - 12:10 PM

[132] Fracture Toughness of the G-phase

*Yuichi Araki¹, Yoshitaka Matsukawa⁵, Daiki Wtanabe¹, Riku Takao¹, Tsunehiko Hmazato¹, Masayuki Tsushida⁵, Takateru Yamamuro⁵, Koichi Harada², Ryuta Kasada², Kiyohiro Yabuuchi³, Fumihiro Nakamori⁴ (1. Kumamoto University, 2. Tohoku University, 3. Kyoto University, 4. Osaka University, 5. Kumamoto University)

一般講演

[G] Nuclear Materials

Fri. Sep 17, 2021 1:00 PM - 4:10 PM Rm. F (ZoomRm.F)

Chair:Naoyuki HASHIMOTO(Hokkaido University)

※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 - 1:15 PM

[133] Characterization of the Microstructure of Neutron-Irradiated 12CrODS Steel by APT and TEM

*Yufeng Du¹, Kenta Yoshida¹, Shimada Yusuke¹, Inoue Koji¹, Ohnuki Somei², Nagai Yosuyoshi¹ (1. IMR Tohoku Univ.、2. USTB)

1:15 PM - 1:30 PM

[134] Evaluation of SPC-Uniaxial Creep Test Compatibility of FeCrAl-ODS Ferrite Alloys

*Naoko OONO¹, Jiarui LIU², Toko TOKUNAGA³, Ryuta KASADA², Haoran WAN², Hao YU² (1. Hokkaido Univ. (Current: Yokohama National Univ.), 2. IMR, Tohoku Univ., 3. QSC (Current: Nagoya Inst. Tech.))

1:30 PM - 1:45 PM

[135] Irradiation effect on the alumina scales formed on the FeCrAl ODS ferritic alloys

*Hao Yu¹, Sosuke Kondo¹, Yasuki Okuno¹, Naoko Oono-Hori², Ryuta Kasada¹, Shigeharu Ukai³ (1. Tohoku Uni., 2. Hokkaido Univ. (Present: Yokohama National Univ.), 3. Hokkaido Uni.)

break （1:45 PM - 2:05 PM）

2:05 PM - 2:20 PM

[136] Effects of Zirconium Addition on the Materials Properties and Microstructure of ODS-Cu Alloys

*Ryuuta KASADA², Zimo GAO¹, Yuchen LIU², Hao YU², Yasuki OKUNO², Sosuke KONDO² (1. Graduate School of Eng., Tohoku Univ., 2. IMR, Tohoku Univ.)

2:20 PM - 2:35 PM

[137] The effect of recrystallization on the mechanical properties of ODS Fe-Mn-Cr-Al-C austenitic steels.

*Jiarui LIU^1,2, Haoran Wang^1,2, Hao Yu², Sosuke Kondo², Ryuta Kasada², Toko Tokunaga³, Naoko Oono⁴ (1. Graduate School of Engineering, Tohoku Univ.、2. IMR, Tohoku Univ.、3. Aomori Pref. QSC、4. Yokohama National Univ.)

2:35 PM - 2:50 PM

[138] Research and development of BCC High Entropy Alloys with ductile for nuclear reactor

*Ryota Ikubo¹, Naoyuki Hashimoto², Shigehito Isobe², hiroshi Oka² (1. Graduate School of Engineering, Hokkaido Univ., 2. Faculty of Engineering, Hokkaido Univ.)

2:50 PM - 3:05 PM

[139] Grazing incidence X-ray diffraction (GIXRD) study of the stability of oxide layer on F82H steel under elevating temperature irradiation

*Sho KANO¹, Motoki NAKAJIMA², Masami ANDO², Takashi NOZAWA², Huilong YANG¹, Hiroaki ABE¹ (1. U-Tokyo, 2. QST)

break （3:05 PM - 3:25 PM）

3:25 PM - 3:40 PM

[140] First-Principles Study of the Most Favored State of SIAs in Mo and W

*Tomoaki SUZUDO¹, Tomohito TSURU¹ (1. JAEA)

3:40 PM - 3:55 PM

[141] Binding energy and stable structure of vacancy cluster in tungsten

*Kazuhito OOSAWA¹ (1. RIAM Kyushu Univ.)

3:55 PM - 4:10 PM

[142] Dynamic TEM Observation of deformation behavior in Ion-Irradiated Pure Molybdenum at Elevated Temperature

*Kei Nakagawa¹, Ken-ici Fukumoto² (1. Uuiv. of Fukui, 2. RINE Univ. of Fukui)

Sessions

10. Energy and Related Materials » Nuclear Materials

[G] Nuclear Materials

[123] Effects of Mn Concentration on Hardening and Microstructural Evolution in Fe-Mn Alloys under Ion Irradiation

[124] In-situ WB-STEM observation of thermal relaxation process of lattice strain in RPV steels

[125] Migration energies of point defects in α-iron estimated by in situ observation of interstitial clusters using high-voltage electron microscopy

[126] Bidirectional Kinetic Modelling of Hydrogen Absorption and Desorption in Ti and Zr

[127] Ab initio molecular dynamics study of threshold displacement energy in Zirconium Nitride

[128] Electron energy dependence of irradiation defects in ZrN induced by electron irradiation

[129] Composition Range of the G-phase and Its Solubility of Fe

[130] Atomic Diffusion Upon Dissolution of G-phase into Bcc-Fe

[131] Technical Limitations and Precision of Ab Initio Simulation on the G-phase

[132] Fracture Toughness of the G-phase

[G] Nuclear Materials

[133] Characterization of the Microstructure of Neutron-Irradiated 12CrODS Steel by APT and TEM

[134] Evaluation of SPC-Uniaxial Creep Test Compatibility of FeCrAl-ODS Ferrite Alloys

[135] Irradiation effect on the alumina scales formed on the FeCrAl ODS ferritic alloys

[136] Effects of Zirconium Addition on the Materials Properties and Microstructure of ODS-Cu Alloys

[137] The effect of recrystallization on the mechanical properties of ODS Fe-Mn-Cr-Al-C austenitic steels.

[138] Research and development of BCC High Entropy Alloys with ductile for nuclear reactor

[139] Grazing incidence X-ray diffraction (GIXRD) study of the stability of oxide layer on F82H steel under elevating temperature irradiation

[140] First-Principles Study of the Most Favored State of SIAs in Mo and W

[141] Binding energy and stable structure of vacancy cluster in tungsten

[142] Dynamic TEM Observation of deformation behavior in Ion-Irradiated Pure Molybdenum at Elevated Temperature

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