一般講演

[G] Nuclear Materials

Fri. Sep 23, 2022 9:00 AM - 12:30 PM Rm. O (C32,3Flr. Build.C)

座長:笠田竜太(東北大学)、藤井克彦(株式会社原子力安全システム研究所)、外山健(東北大学)

※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

[294] Effect of Ni on Solute Atom Cluster Formation in RPV steels

*Katsuhiko FUJII¹, Kiyohiro YABUUCHI², Koji FUKUYA¹ (1. Inst. of Nuclear Safety System, 2. Kyoto Univ.)

9:15 AM - 9:30 AM

[295] In-situ observation of early stage of thermal relaxation of irradiation defect assembly in RPV steel using multi-stage alignment techniques

*Hotaka Miyata^1,2, Kenta Yoshida², Yusuke Shimada², Yufeng Du², Takeshi Toyama², Koji Inoue², Yasuyoshi Nagai² (1. Grad. Sch. Eng., Tohoku Univ., 2. IMR, Tohoku Univ.)

9:30 AM - 9:45 AM

[296] Interdiffusion between the G-phase and the Bcc-Fe

*Yoshitaka MATSUKAWA¹, Daiki Watanabe², Hirofumi Yoda³, Takateru Yamamuro¹, Sadahiro Turekawa¹, Kiyohiro Yabuuchi⁴, Ryuta Kasada⁵, Kenta Yoshida⁵ (1. Kumamoto Univ., 2. Kumamoto Univ., 3. Kumamoto Univ., 4. Kyoto Univ., 5. Tohoku Univ.)

9:45 AM - 10:00 AM

[297] Hardness-brittleness Chart of the Ni-Si-Mn Precipitates Produced in the RPV steel

*Yuichi Araki⁶, Yoshitaka Matsukawa¹, Riku Takao⁷, Takateru Yamamuro¹, Sadahiro Tsurekawa¹, Hiroaki Muta², Kiyohiro Yabuuchi⁴, Ryuta Kasada⁵, Koichi Harata⁵, Masatake Yamaguchi³ (1. Kumamoto University, 2. Osaka University, 3. Japan Atomic Energy Agency, 4. Kyoto University, 5. Tohoku University, 6. Kumamoto University(graduate student), 7. Kumamoto University(present : Mazda))

break （10:00 AM - 10:15 AM）

10:15 AM - 10:30 AM

[298] Mechanical properties and irradiation resistance of bcc-type high entropy alloys

*Naoyuki HASHIMOTO¹, Ryota IKUBO², Shibehito ISOBE¹, Hiroshi OKA¹ (1. Faculty of Engineering, Hokkaido Univ., 2. Graduate School of Engineering, Hokkaido Univ.)

10:30 AM - 10:45 AM

[299] Effect of impurities on irradiation damage of high entropy alloys

*Sotaro SUDO¹, Naoyuki HASHIMOTO², Hirishi OKA², Shigehito ISOBE² (1. 北大工（院生）、2. 北大工)

10:45 AM - 11:00 AM

[300] Microstructure and mechanical properties of additively manufactured high entropy alloys

*Motoki SATO¹, Hirosi OKA², Naoyuki HASHIMOTO², Shigehito ISOBE² (1. Graduate School of Engineering, Hokkaido Univ., 2. Faculty of Engineering, Hokkaido Univ.)

11:00 AM - 11:15 AM

[301] Irradiation hardening and damage microstructure of Co-free high entropy alloys and 316L stainless steel at 300°C

*Peng BI¹, Naoyuki Hashimoto², Hiroshi Oka², Shigehito Isobe² (1. Graduate School of Engineering, Hokkaido University, 2. Faculty of Engineering, Hokkaido University)

break （11:15 AM - 11:30 AM）

11:30 AM - 11:45 AM

[302] Interaction between vacancy and copper atom in iron and helium effect on it

*Kazuhito OOSAWA¹, Masahiro FUJII², Qiu XU³, Hideo WATANABE¹ (1. RIAM Kyushu Univ., 2. IGSES Kyushu Univ., 3. IIRNS Kyoto Univ.)

11:45 AM - 12:00 PM

[303] Correlation between SCC susceptibility and intergranular corrosion resistance in Ni-30Cr-Fe-Nb alloys

*Takahiro Ishizaki¹, Hiroshi Yamauchi¹, Shinichi Ishioka², Ryoji Obata³, Shinobu Okido² (1. Hitachi Ltd., 2. Hitachi-GE Nuclear Energy, Ltd., 3. MEXT)

12:00 PM - 12:15 PM

[304] Analysis of Irradiation Hardening Behavior and Microstructure of Ion-Irradiated β-Ti Alloys

*Eiichi WAKAI¹, Sho KANO², Taku ISHIDA³, Shunsuke MAKIMURA³, Tamaki SHIBAYAMA⁴, Takashi WAKUI¹ (1. JAEA, 2. Univ. of Tokyo, 3. KEK, 4. Hokkaido Univ.)

12:15 PM - 12:30 PM

[305] The radiation-induced amorphization of second phase particle in F82H steel（2nd Report）

*Sho KANO¹, Huilong Yang¹, Masami Ando², Dai Hamaguchi², Takashi Nozawa², Tamaki Shibayama³, Hiroaki Abe¹ (1. UTokyo, 2. QST, 3. Hokkaido Univ.)

一般講演

[G] Nuclear Materials

Fri. Sep 23, 2022 1:30 PM - 4:15 PM Rm. O (C32,3Flr. Build.C)

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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1:30 PM - 1:45 PM

[306] Microstructure Analysis of Neutron Irradiated W in HFIR with Thermal Neutron Shield

*Akira HASEGAWA¹, Kenta Yoshida¹ (1. 東北大金研)

1:45 PM - 2:00 PM

[307] Clustering and Precipitation Behavior of Transmutation Elements in Neutron Irradiated Tungsten

*Taiki YAMASHITA¹, Shuhei NOGAMI¹, Koji INOUE², Takeshi TOYAMA², Akira HASEGAWA², Yasuyoshi NAGAI^1,2 (1. Grad. Sch. Eng., Tohoku Univ., 2. IMR, Tohoku Univ.)

2:00 PM - 2:15 PM

[308] Evaluation of fracture toughness of recrystallized tungsten

*Kazutoshi TOKUNAGA¹, Kyohei SHINDO², Akira FUJIMOTO³, Satoru MATSUO⁴, Hiroaki KURISHITA⁵, Takeshi TOYAMA⁴, Makoto HASEGAWA¹, Kazuo NAKAMURA¹ (1. RIAM,　Kyushu University, 2. IGSES, Kyushu University(Present: Mitsubishi Electric Co.）, 3. IGSES, Kyushu University, 4. IMR, Tohoku University, 5. KEK)

2:15 PM - 2:30 PM

[309] Fracture behavior characterization of dissimilar joints of tungsten to ferritic steel using micro-cantilever bending test

*XIANGYU WU¹, Sosuke Kondo², Hao Yu², Ryuta Kasada² (1. Graduate school of Eng., Tohoku Univ., 2. Inst. of Material Research, Tohoku Univ.)

break （2:30 PM - 2:45 PM）

2:45 PM - 3:00 PM

[310] Microstructure of ODS-Cu alloy fabricated by MA-HIP with novel oxide addition process

*Yuusuke SHIMADA¹, Yuta NAKAJIMA², Yoshimitsu HISHINUMA^3,4, Ken-ichi IKEDA⁵, Hiroyuki NOTO^3,4, Takeo MUROGA^3,4, Kenta YOSHIDA¹, Toyohiko KONNO¹, Yasuyoshi NAGAI¹ (1. IMR, Tohoku University, 2. Tohoku University, 3. NIFS, 4. SOKENDAI, 5. Hokkaido University)

3:00 PM - 3:15 PM

[311] Development of oxide-dispersion-strengthened high entropy alloy and the effect of Ti addition

*Takumu NIINO¹, Hiroshi Oka², naoyuki Hashimoto², Shigehito Isobe² (1. Graduate School of Engineering, Hokkaido Univ., 2. Faculty of Engineering, Hokkaido Univ.)

3:15 PM - 3:30 PM

[312] Ab-initio calculation of interfacial energy between Y₂Ti₂O₇ with antisite defect and Fe

*Naoko OONO¹, Ryosuke SAKAI¹, Soken KAWAMURA¹ (1. Yokohama National Univ.)

3:30 PM - 3:45 PM

[313] 3D-AP analysis of oxide particles in ODS steel highly irradiated at Joyo

*Takeshi TOYAMA¹, Rie Shibahara¹, Yufeng Du¹, Koji Inoue¹, Yasuyoshi Nagai¹, Yasuhide Yano², Satoshi Ootsuka², Masatoshi MItsuhara³, Hideharu Nakashima³, Masato Ohnuma⁴ (1. Tohoku Univ., 2. JAEA, 3. Kyusyu Univ., 4. Hokkaido Univ.)

3:45 PM - 4:00 PM

[314] Nanocluster evolution in 9Cr ODS steel after high-dose neutron irradiation in JOYO reactor

*Yufeng Du¹, Takeshi Toyama¹, Koji Inoue¹, Satoshi Ohtsuka², Yasuhide Yano¹, Kenta Yoshida¹, Yusuke Shimada¹, Masato Ohnuma³, Masatoshi Mitsuhara⁴, Hideharu Nakashima⁴, Yasuyoshi Nagai¹ (1. IMR, Tohoku Univ.、2. JAEA、3. Hokkaido Univ.、4. Kyushu Univ.)

4:00 PM - 4:15 PM

[273] TEM Characterization of Irradiation-induced Dislocation Loops and voids in Cr-Fe alloy

*Lijuan Cui¹, Huilong Yang¹, Yufeng Du², Sho Kano¹, Hiroaki Abe^1,3 (1. Nuclear Professional School, Graduate School of Engineering, The University of Tokyo、2. Institute for Materials Research, Tohoku University、3. Department of Nuclear Engineering and Management, School of Engineering, The University of Tokyo)

Sessions

10. Energy and Related Materials » Nuclear Materials

[G] Nuclear Materials

[294] Effect of Ni on Solute Atom Cluster Formation in RPV steels

[295] In-situ observation of early stage of thermal relaxation of irradiation defect assembly in RPV steel using multi-stage alignment techniques

[296] Interdiffusion between the G-phase and the Bcc-Fe

[297] Hardness-brittleness Chart of the Ni-Si-Mn Precipitates Produced in the RPV steel

[298] Mechanical properties and irradiation resistance of bcc-type high entropy alloys

[299] Effect of impurities on irradiation damage of high entropy alloys

[300] Microstructure and mechanical properties of additively manufactured high entropy alloys

[301] Irradiation hardening and damage microstructure of Co-free high entropy alloys and 316L stainless steel at 300°C

[302] Interaction between vacancy and copper atom in iron and helium effect on it

[303] Correlation between SCC susceptibility and intergranular corrosion resistance in Ni-30Cr-Fe-Nb alloys

[304] Analysis of Irradiation Hardening Behavior and Microstructure of Ion-Irradiated β-Ti Alloys

[305] The radiation-induced amorphization of second phase particle in F82H steel（2nd Report）

[G] Nuclear Materials

[306] Microstructure Analysis of Neutron Irradiated W in HFIR with Thermal Neutron Shield

[307] Clustering and Precipitation Behavior of Transmutation Elements in Neutron Irradiated Tungsten

[308] Evaluation of fracture toughness of recrystallized tungsten

[309] Fracture behavior characterization of dissimilar joints of tungsten to ferritic steel using micro-cantilever bending test

[310] Microstructure of ODS-Cu alloy fabricated by MA-HIP with novel oxide addition process

[311] Development of oxide-dispersion-strengthened high entropy alloy and the effect of Ti addition

[312] Ab-initio calculation of interfacial energy between Y₂Ti₂O₇ with antisite defect and Fe

[313] 3D-AP analysis of oxide particles in ODS steel highly irradiated at Joyo

[314] Nanocluster evolution in 9Cr ODS steel after high-dose neutron irradiation in JOYO reactor

[273] TEM Characterization of Irradiation-induced Dislocation Loops and voids in Cr-Fe alloy

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