一般講演

[G] Nuclear Materials

Fri. Sep 18, 2020 9:30 AM - 12:15 PM Rm. K (ZoomRm.K)

Chair: Sub Chairman (assistant):Naoyuki HASHIMOTO(Hokkaido University)

※9月17日発表予定であったS5.8を都合により、講演番号168の後に講演いたします。
※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）

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9:30 AM - 9:45 AM

[160] Effects of Impurities induced by heat treatment on one-dimensional migration of self-interstitial atom clusters under electron irradiation

*Yuhki SATOH¹, Yosuke ABE², Kenji OHKUBO³, Takashi TANIOKA³ (1. Hiroshima Institute of Technology, 2. JAEA, 3. Hokkaido Univ.)

9:45 AM - 10:00 AM

[161] Development of dynamical observation under severe environment

*Yusuke SHIMADA¹, Kenta YOSHIDA¹, Yufeng DU¹, Jiao CHEN¹, Hiromasa HARADA¹, Koji INOUE¹, Toyohiko KONNO¹, Yasuyoshi NAGAI¹ (1. Tohoku University)

10:00 AM - 10:15 AM

[162] Investigation of energy hierarchy on stacking fault tetrahedron and void formed in FeCrNi alloy

*Yotaro KAKUDA¹, Kiyohiro YABUUCHI², Kazunori MORISHITA² (1. 京大エネ科（院生）、2. 京大エネ研)

10:15 AM - 10:30 AM

[163] Effect of Mn and Ni on stacking fault energy in FCC-type high entropy alloys

*Eryo WADA¹, Naoyuki HASHIMOTO², Shigehito ISOBE², Hiroshi Oka² (1. 北大工（院生）、2. 北大工（指導教員）)

10:30 AM - 10:45 AM

[164] Research and development of BCC High Entropy Alloys for nuclear reacto

*Ryota Ikubo¹, Naoyuki Hashimoto², Shigehito Isobe², Hiroshi Oka² (1. 北大工（院生）、2. 北大工（指導教員）)

10:45 AM - 11:00 AM

[165] Research about refractory high entropy alloy for fusion reactor application

*Yun ZONG¹, Naoyuki HASHIMOTO², Hiroshi OKA², Shigehito ISOBE² (1. Graduate School of Engineering, Hokkaido Univ.、2. Faculty of Engineering, Hokkaido Univ.)

break （11:00 AM - 11:15 AM）

11:15 AM - 11:30 AM

[166] Effect of oxygen concentration and Al content on the corrosion behavior of Fe-Mn-Al-Cr-C type austenitic steels in lead-bismuth eutectic

*Haoran WANG¹, Hao Yu², Sosuke Kondo², Nariaki Okubo³, Ryuta Kasada² (1. Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University、2. Institute for Material Research, Tohoku University、3. Japan Atomic Energy Agency)

11:30 AM - 11:45 AM

[167] Comparison between nanoindentation hardness test and micro-pillar compression test in the evaluation of irradiation hardening for ODS-Cu and non ODS-Cu after self-ion irradiation

*Yuchen Liu^1,2, Sosuke Kondo¹, Hao Yu¹, Kiyohiro Yabuuchi³, Ryuta Kasada¹ (1. Institute for Materials Research, Tohoku University、2. Department of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University、3. Institute of Advanced Energy, Kyoto University)

11:45 AM - 12:00 PM

[168] Role of dangling-bonds into polycrystalline SiC corrosion

*Sousuke KONDOU¹, Kotaro SEKI², Yuki MAEDA³, Kazuhiro FUKAMI³, Hao YU¹, Yasuki OKUNO¹, Ryuta KASADA¹ (1. IMR, Tohoku Univ., 2. Tohoku Univ., 3. Kyoto Univ.)

12:00 PM - 12:15 PM

[S5.8] Effect of electron irradiation on statistical properties of local mechanical properties in RPV steels

*Yuyang ZHENG¹, Ryuta Kasada¹, Sotsuke Kondo¹, Hao Yu¹, Saijo Kumano³, Akihiko Kimura² (1. TOHOKU　UNIVERSITY, 2. KYOTO　UNIVERSITY, 3. CHUBU　ELECTRIC　POWER)

一般講演

[G] Nuclear Materials

Fri. Sep 18, 2020 1:00 PM - 4:55 PM Rm. K (ZoomRm.K)

Chair:Naoko Hori Oono(Hokkaido Univ.) Sub Chairman (assistant):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、基調講演と村上記念賞受賞講演は5～10分）

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1:00 PM - 1:15 PM

[169] Direct observation of Cu diffusivity in Pure Iron Grain Boundary by Atom Probe Tomography

*Hotaka MIYATA¹, Takeshi TOYAMA², Masaki SHIMODAIRA¹, Can ZHAO¹, Rie SHIBAHARA², Ko KURANO², Yasuko NOZAWA², Yasuo SHIMIZU², Koji INOUE², Yasuyoshi NAGAI² (1. Grad. Sch. Eng., Tohoku Univ., 2. IMR, Tohoku Univ.)

1:15 PM - 1:30 PM

[170] Effects of precipitates on microstructure evolution under electron irradiation in low alloy steel

*Hiroshi OKA¹, Shunta Goto¹, Naoyuki Hashimoto¹ (1. 北大工)

1:30 PM - 1:45 PM

[171] Formation and evolution process of Ni-Mn-Si clusters in reactor pressure vessel steel

*Koji INOUE¹, Can Zhao¹, Rie Shibahara¹, Ko Kurano¹, Yufeng Du¹, Kenta Yoshida¹, Takeshi Toyama¹, Yasuyoshi Nagai¹, Milan　J. Konstantinovic², Robert Gerard³ (1. IMR, Tohoku Univ., 2. SCK-SEN, 3. Tractebel ENGIE)

1:45 PM - 2:00 PM

[172] Effect of Neutron Irradiation on Microstructure and Mechanical Properties in Intragranular Bainitic Steel

*Tatsuaki SAKAMOTO¹, Kiyomichi NAKAI², Hideo WATANABE³, Takeshi TOYAMA⁴ (1. Ehime Univ., 2. MIURA CO.,LTD., 3. RIAM Kyushu Univ., 4. IMR Tohoku Univ.)

break （2:00 PM - 2:20 PM）

2:20 PM - 2:35 PM

[173] Interaction between dislocation loops in ferritic model alloy under irradiation

*Liang CHEN¹, Kenta MURAKAMI¹, Dongyue CHEN², Hiroaki ABE², Zhengcao LI³, Naoto SEKIMURA² (1. Nagaoka Univ. of Tech.、2. Univ. of Tokyo、3. Tsinghua Univ.)

2:35 PM - 2:50 PM

[174] Thermal Stability of Dislocation Loops in Neutron-Irradiated Reactor Pressure Vessel Steel during In-situ Annealing

*Yufeng Du¹, Kenta Yoshida¹, Yusuke Shimada¹, Takeshi Toyama¹, Koji Inoue¹, Kazuto Arakawa², Tomoaki Suzudo³, Milan Konstantinovic　J.⁴, Gerard Robert⁵, Somei Ohnuki⁶, Yasuyoshi Nagai¹ (1. IMR Tohoku University、2. Shimane University、3. JAEA、4. SCK-CEN、5. Tractabel ENGINE、6. USTB)

2:50 PM - 3:05 PM

[175] Effect of solute atoms on the dislocation loop in FeCrAl model alloys

*Dongyang Jiang¹, Naoyuki Hashimoto¹, Hiroshi Oka¹, Shigehito Isobe¹ (1. Hokkaido University，Graduate School of Engineering)

3:05 PM - 3:20 PM

[176] Textures after Dual-Phase Annealing in FeCrAlMn-ODS alloys

*Keita TOMINAGA¹, Naoko OONO², Shigenari HAYASHI² (1. Hokkaido Univ.（graduate student）, 2. Hokkaido Univ.)

break （3:20 PM - 3:40 PM）

3:40 PM - 3:55 PM

[177] Effect of impurities for vacancy-cluster growth in tungsten

*Kazuhito OOSAWA¹, Atsushi YABUUCHI², Takeshi TOYAMA³, Hideo WATANABE¹ (1. Kyushu Univ., 2. Kyoto Univ., 3. Tohoku Univ.)

3:55 PM - 4:10 PM

[178] Defects in electron-irradiated W-X (X = Mo, Ta, Re) alloys

*Takeshi TOYAMA¹, Yuji HATANO², Can ZHAO¹, Koji INOUE¹, Atsushi YABUUCHI³, Atsushi KINOMURA³, Yasuyoshi NAGAI¹ (1. IMR, Tohoku Univ., 2. Univ. of Toyama, 3. KUR, Kyoto Univ.)

4:10 PM - 4:25 PM

[179] Evaluation of oxygen solubility of zirconium-iron alloy.

*Masato MATSUI¹, Ryotaro HAGIWARA¹, Ayumi ITOH¹, Shintaro YASUI², Toshihiro ISOBE², Yoshinao KOBAYASHI² (1. Tokyo Institute of Technology（Master）, 2. Tokyo Institute of Technology)

4:25 PM - 4:40 PM

[180] In-situ Transmission Electron Microscopy study on amorphization in alpha-quartz at 300K and 423K

*Vu　Nhut LUU¹, Kenta MURAKAMI¹, Hamza SAMOUH², Ippei MARUYAMA², Sho KANO³, Kiyoteru SUZUKI⁴ (1. Nagaoka University of Technology, 2. Nagoya University, 3. The University of Tokyo, 4. Mitsubishi Research Institute)

4:40 PM - 4:55 PM

[181] Element and Microstructure Analysis of the Molten Corium-Concrete Products for Estimating Fukushima Daiichi Nuclear Power Plant Condition

*Pengfei LIU¹, Yufeng DU¹, Kenta YOSHIDA¹, Toru KITAGAKI², Atsushi IKEDA-OHNO², Yusuke SHIMADA¹, Yasuyoshi Nagai¹ (1. IMR Tohoku Univ.、2. CLADS JAEA)

Sessions

10. Energy and Related Materials » Nuclear Materials

[G] Nuclear Materials

[160] Effects of Impurities induced by heat treatment on one-dimensional migration of self-interstitial atom clusters under electron irradiation

[161] Development of dynamical observation under severe environment

[162] Investigation of energy hierarchy on stacking fault tetrahedron and void formed in FeCrNi alloy

[163] Effect of Mn and Ni on stacking fault energy in FCC-type high entropy alloys

[164] Research and development of BCC High Entropy Alloys for nuclear reacto

[165] Research about refractory high entropy alloy for fusion reactor application

[166] Effect of oxygen concentration and Al content on the corrosion behavior of Fe-Mn-Al-Cr-C type austenitic steels in lead-bismuth eutectic

[167] Comparison between nanoindentation hardness test and micro-pillar compression test in the evaluation of irradiation hardening for ODS-Cu and non ODS-Cu after self-ion irradiation

[168] Role of dangling-bonds into polycrystalline SiC corrosion

[S5.8] Effect of electron irradiation on statistical properties of local mechanical properties in RPV steels

[G] Nuclear Materials

[169] Direct observation of Cu diffusivity in Pure Iron Grain Boundary by Atom Probe Tomography

[170] Effects of precipitates on microstructure evolution under electron irradiation in low alloy steel

[171] Formation and evolution process of Ni-Mn-Si clusters in reactor pressure vessel steel

[172] Effect of Neutron Irradiation on Microstructure and Mechanical Properties in Intragranular Bainitic Steel

[173] Interaction between dislocation loops in ferritic model alloy under irradiation

[174] Thermal Stability of Dislocation Loops in Neutron-Irradiated Reactor Pressure Vessel Steel during In-situ Annealing

[175] Effect of solute atoms on the dislocation loop in FeCrAl model alloys

[176] Textures after Dual-Phase Annealing in FeCrAlMn-ODS alloys

[177] Effect of impurities for vacancy-cluster growth in tungsten

[178] Defects in electron-irradiated W-X (X = Mo, Ta, Re) alloys

[179] Evaluation of oxygen solubility of zirconium-iron alloy.

[180] In-situ Transmission Electron Microscopy study on amorphization in alpha-quartz at 300K and 423K

[181] Element and Microstructure Analysis of the Molten Corium-Concrete Products for Estimating Fukushima Daiichi Nuclear Power Plant Condition

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