Oral presentation

[2A01-02] Analytical Techniques

Thu. Sep 7, 2023 9:30 AM - 10:05 AM Room A (IB Bildg.1F IB013)

Chair:Kazuyoshi Uruga(CRIEPI)

9:30 AM - 9:45 AM

[2A01] Raman spectra evaluation on Cs compounds

*Chikashi Suzuki¹ (1. JAEA)

9:45 AM - 10:00 AM

[2A02] Development of high sensitivity rapid analysis of ³⁶Cl in radioactive metal by ICP-MS/MS

*Nobuyuki Sekine¹, Kazutaka Hirata¹, Hisashi Mikami¹, Takahiro Matsuda², Tomohiko Kawakami³, Makoto Furukawa^4,5, Yoshitaka Takagai⁵ (1. Fuji Electric, 2. JAPC, 3. KAKEN, 4. PerkinElmer Japan, 5. Fukushima Univ.)

Time reserved for Chair （10:00 AM - 10:05 AM）

Oral presentation

[2A03-06] Debris

Thu. Sep 7, 2023 10:05 AM - 11:10 AM Room A (IB Bildg.1F IB013)

Chair:Chikashi Suzuki(JAEA)

10:05 AM - 10:20 AM

[2A03] Metal-rich debris formation by solid-liquid reaction in RPV during BWR severe accident progression

(1) Non-isothermal interaction between Fe-Zr melt and stainless steel under severe accident condition

*Itoh Ayumi¹ (1. Tokyo Tech)

10:20 AM - 10:35 AM

[2A04] Metal-rich debris formation by solid-liquid reaction in RPV during BWR severe accident progression

(2) Reaction of B₄C with molten stainless steel

*Tatsuya Kanno¹, Takayuki Iwama¹, Ryo Inoue¹, Shigeru ueda¹ (1. Tohoku Univ.)

10:35 AM - 10:50 AM

[2A05] Metal-rich debris formation by solid-liquid reaction in RPV during BWR severe accident progression

(3) Failure behavior of lower plenum due to reaction with metal-rich debris

*Takumi Sato¹, Kenta Shimomura¹, YuJi Nagae¹ (1. Core Status Evaluation Group JAEA)

10:50 AM - 11:05 AM

[2A06] Prediction of Pore Generation for Simulant B₂O₃-UO₂ Fuel Debris Using Multiphase-field Method

*Munemichi Kawaguchi¹, Masayoshi Uno², Sunghyon Jang¹, Kazuhiro Sawa¹ (1. Hokkaido Univ., 2. Univ. of Fukui)

Time reserved for Chair （11:05 AM - 11:10 AM）

Oral presentation

[2A07-09] Boride

Thu. Sep 7, 2023 11:10 AM - 12:00 PM Room A (IB Bildg.1F IB013)

Chair:Hideo Watanabe(Kyushu Univ.)

11:10 AM - 11:25 AM

[2A07] Production and evaluation of high melting-point borides towards nuclear application

(1) Creation and evaluation of a tungsten-boron shielding material optimized by radiation transport code

*Yasuyuki Ogino¹, Kaiji Yamamura², Yuki Jimba², Hao Yu¹, Sosuke Kondo¹, Ryuta Kasada¹ (1. Institute for Materials Research, Tohoku Univ., 2. Department of Quantum Science and Energy Engineering, Tohoku Univ.)

11:25 AM - 11:40 AM

[2A08] Production and evaluation of high melting-point borides towards nuclear application

(2) Evaluation of applicability of Si impregnation method to improve oxidation resistance of high melting point borides

Koki Wakatabi¹, *Ryuta Kasada¹, Yuki Jimba¹, Hao Yu¹, Sosuke Kondo¹ (1. Tohoku Univ.)

11:40 AM - 11:55 AM

[2A09] Production and evaluation of high melting-point borides towards nuclear application

(3) Effects of ball-milled Ti additives on low-temperature densification of TiB₂

*Yuki Jimba¹, Yasuki Okuno², Sosuke Kondo¹, Hao Yu¹, Yasuyuki Ogino¹, Ryuta Kasada¹ (1. Tohoku University, 2. RIKEN)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[2A10-14] Irradiation Effects

Thu. Sep 7, 2023 2:45 PM - 4:10 PM Room A (IB Bildg.1F IB013)

Chair:Ryuta Kasada(Tohoku Univ.)

2:45 PM - 3:00 PM

[2A10] Mechanisms for the Generation of Large-Size Clusters in Cascade Collisions: Insights from Molecular Dynamics Simulations

*Yuting Chen¹, Kazunori Morishita¹ (1. Kyoto Univ.)

3:00 PM - 3:15 PM

[2A11] Statistical assessment of microstructural evolution in iron during neutron irradiation

*Liangfan Zhu¹, Sakura Nishikawa¹, Yuting Chen¹, Kazunori Morishita¹ (1. Kyoto Univ.)

3:15 PM - 3:30 PM

[2A12] Dispersed Barrier Hardening Modeling on He Bubbles in Iron-Based Alloys

*Xinrun Chen¹, Kenta Murakami³, Phongsakorn Park Tom², Bo Li³, Sho Kano³, Takuya Yamamoto⁴, Tatsuya Suzuki¹ (1. Nagaoka Univ. of Tech., 2. Malaysian Nuclear Agency, 3. UTokyo, 4. UCSB)

3:30 PM - 3:45 PM

[2A13] Evaluation of properties of BCC based high-entropy alloys

*Eiichi Wakai¹, Tamaki Shibayama Shibayama², Hiroyuki Noto³, Kazuyuki Furuya Furuya⁴, Yousuke Iwamoto¹, Takashi Wakui¹, Shunsuke Makimura⁵, Taku Ishida⁵, Masami Ando Ando⁶, Koichi Sato⁷ (1. JAEA, 2. Hokkaido Univ., 3. NIFS, 4. NIT Hachinohe College, 5. KEK, 6. QST, 7. Kagoshima Univ.)

3:45 PM - 4:00 PM

[2A14] Impact of Irradiation on Defect Production in 13Cr-ODS Steels and 13CrFe Alloys: The Role of Nano-Oxide Sink Strength

*Zideng Wang¹, Huilong Yang², Zongda Yang¹, Lijuan Cui¹, Sho Kano¹, Hiroaki Abe¹ (1. UTokyo, 2. Shanghai Jiao Tong Univ.)

Time reserved for Chair （4:00 PM - 4:10 PM）

Oral presentation

[2A15-21] Reactor Pressure Vessel Steels

Thu. Sep 7, 2023 4:10 PM - 6:00 PM Room A (IB Bildg.1F IB013)

Chair:Eiichi Wakai(JAEA)

4:10 PM - 4:25 PM

[2A15] Prediction and Extension of Lifetime of Reactor Pressure Vessel

(1) Irradiation-induced Precipitate G-phase Ni₁₆Si₇Mn₆

*Yoshitaka Matsukawa¹, Daiki Watanabe¹, Sadahiro Tsurekawa¹, Nina Manon Abad¹, Hiroaki Muta², Kenta Yoshida³, Ryuta Kasada³, Masatake Yamaguchi⁴, Hideki Yuya⁵, Minako Endou⁵ (1. Kumamoto Univ., 2. Osaka Univ., 3. Tohoku Univ., 4. JAEA, 5. Chubu Electric Power)

4:25 PM - 4:40 PM

[2A16] Effects of Mn, Ni addition on neutron irradiated RPV model alloys

*Hideo Watanabe¹, Takuya Irie², Masataka Ishii² (1. RIAM, Kyushu Univ.,, 2. IGSES, Kyushu Univ.,)

4:40 PM - 4:55 PM

[2A17] Characterization of Radiation Defects in Low-Cu A533B Steel Irradiated by 5 MeV Electrons Using Three Analytical Techniques: APT, TEM and STEM/EDS

*Katsuhiko Fujii¹, Hitoshi Seto², Koji Fukuya¹, Ryuta Kasada³ (1. INSS, 2. NFD, 3. Tohoku Univ.)

4:55 PM - 5:10 PM

[2A18] Validation of Advanced Prediction Methods for Irradiation Embrittlement Using Machine Learning

*Sakura Nishikawa¹, Liangfan Zhu¹, Yuting Chen¹, Kazunori Morishita¹ (1. Kyoto Univ.)

5:10 PM - 5:25 PM

[2A19] Evaluation of mechanical porperties of weld heat-affected zone in reactor pressure vessel

*Yoosung Ha¹, Masaki Shimodaira¹, Jinya Katsuyama¹ (1. JAEA)

5:25 PM - 5:40 PM

[2A20] Development of high temperature material property equation for base metal and welded joints of reactor pressure vessel steels

*Kenta Shimomura¹, Takuya Yamashita¹, Yuji Nagae¹ (1. JAEA)

5:40 PM - 5:55 PM

[2A21] Probabilistic fracture mechanics analysis using Bayesian nonparametric prediction of irradiation embrittlement

*Hisashi Takamizawa¹, Yinsheng Li¹ (1. JAEA)

Time reserved for Chair （5:55 PM - 6:00 PM）

Oral presentation

[3A01-05] Fuel Cladding Materials 1

Fri. Sep 8, 2023 9:30 AM - 10:55 AM Room A (IB Bildg.1F IB013)

Chair:Yoshitaka Matsukawa(Kumamoto Univ.)

9:30 AM - 9:45 AM

[3A01] Development of Cr-coated Zircaloy for Accident Tolerant Fuels

(1) Synthesis of Cr/zircaloy interface and its microstructural analysis

*Hiroaki ABE¹, Bo LI¹, John Andrew Kane Jovellana¹, Lijuan Cui¹, Kejian Wei¹, Sho Kano¹ (1. The University of Tokyo)

9:45 AM - 10:00 AM

[3A02] Development of Cr-coated Zircaloy for Accident Tolerant Fuels

(2) Mechanical property evaluations of Cr/Zircaloy bonding materials

*ZIQI WEI¹, Neli Nikolova¹, Bo Li¹, Lijuan Cui¹, Kejian Wei¹, Sho Kano¹, Hiroaki Abe¹ (1. the University of Tokyo)

10:00 AM - 10:15 AM

[3A03] Development of Cr-coated Zircaloy for Accident Tolerant Fuels

(3) In-situ measurement for deformation of Cr/Zry double layered material

*Koichi Ogata¹, Yasunari Shinohara¹, Bo Li², Sho Kano², Hiroaki Abe² (1. NDC, 2. UTokyo)

10:15 AM - 10:30 AM

[3A04] Development of Cr-coated Zircaloy for Accident Tolerant Fuels

(4) Microstructural evolutions of radiation damage in Cr and (Cr, Zr) Laves phase

*Sho Kano¹, Lijuan Cui¹, Kejian Wei¹, Hiroaki Abe¹ (1. UTokyo)

10:30 AM - 10:45 AM

[3A05] Development of Cr-coated Zircaloy for Accident TolerantFuels

(5) Materials design and surface reactions of Cr by first principle calculations

*Ying Chen¹, Theressa Davey¹, Masatake Yamaguchi², Akira Nakayama³, Kazuhiro Takanabe³, Hiroaki Abe³ (1. Tohoku University, 2. Japan Atomic Energy Agency, 3. The University of Tokyo)

Time reserved for Chair （10:45 AM - 10:55 AM）

Oral presentation

[3A06-09] Fuel Cladding Materials 2

Fri. Sep 8, 2023 10:55 AM - 12:00 PM Room A (IB Bildg.1F IB013)

Chair:Hiroaki ABE(UTokyo)

10:55 AM - 11:10 AM

[3A06] The effect of applied tensile stress on microstructure evolution under high dose ion irradiation in Zry-2

*Luwei XUE¹, Hideo Watanabe¹ (1. KYUSHU UNIVERSITY)

11:10 AM - 11:25 AM

[3A07] Hydrogen absorption of Zircaloy-2 oxide layer before and after kinetic transition

*Rin Suzuki¹, Kana Suzuki¹, Kan Sakamoto², Masaki Aomi³, Katsuhito Takahashi⁴, Ikuji Takagi¹ (1. Kyoto Univ., 2. NFD, 3. GNF-J, 4. Hitachi)

11:25 AM - 11:40 AM

[3A08] R&D for Introducing Silicon Carbide Materials to Safety Improvement of BWR’s Core

(10) Joint Strength Evaluation of End-plug Joints in SiC Tubes at a Simulated Severe Accident (3)

*Ryo Ishibashi¹, Kazuma Hirosaka¹, Masatoshi Shibata¹, Masana Sasaki¹, Yoshiyuki Nemoto² (1. HGNE, 2. JAEA)

11:40 AM - 11:55 AM

[3A09] Dissolution of FeCrAl in nitric acid and its impact on vitrification process

*Kazuyoshi Uruga¹, Tsuyoshi Murakami¹ (1. CRIEPI)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[3A10-11] Corrosion

Fri. Sep 8, 2023 2:45 PM - 3:20 PM Room A (IB Bildg.1F IB013)

Chair:Sho Kano(UTokyo)

2:45 PM - 3:00 PM

[3A10] Microstructure and fracture behavior of oxide layer of irradiated austenitic stainless steel weld metal

*Terumitsu Miura¹, Katsuhiko Fujii¹, Koji Fukuya¹ (1. Institute of Nuclear Safety System)

3:00 PM - 3:15 PM

[3A11] Relationship between chemical composition and intergranular corrosion resistance in high chromium nickel base alloys

*Takahiro Ishizaki¹, Hiroshi Yamauchi¹, Shinichi Ishioka², Shinobu Okido² (1. Hitachi, 2. HGNE)

Time reserved for Chair （3:15 PM - 3:20 PM）

Oral presentation

[3A12-15] Concrete

Fri. Sep 8, 2023 3:20 PM - 4:30 PM Room A (IB Bildg.1F IB013)

Chair:Kazunori Morishita(Kyoto Univ.)

3:20 PM - 3:35 PM

[3A12] Radiation Effects on Concrete Materials for Aging management

(1)Irradiation test results of aggregates and rock forming minerals

*Shohei Sawada¹, Toshiaki Kondo¹, Kiyoteru Suzuki², Ippei Maruyama³ (1. Kajima, 2. MRI, 3. UTokyo)

3:35 PM - 3:50 PM

[3A13] Radiation Effects on Concrete Materials for Aging management

(2)Structural and Physical Properties of Neutron Irradiated Minerals: A Molecular Dynamics Study

*Takahiro Ohkubo¹, Takayoshi Fujimura¹, Kiyoteru Suzuki², Kenta Murakami³, Ippei Maruyama³ (1. Chiba Univ., 2. MRI, 3. UTokyo)

3:50 PM - 4:05 PM

[3A14] Radiation Effects on Concrete Materials for Aging management

(3)Volume swelling and radiation damage following Fe ion and electron irradiation

*FAN YANG¹, Kenta Murakami¹, Sho Kano¹, Muammar Hawary², Kiyoteru Suzuki³, Ippei Maruyama¹ (1. UTokyo, 2. Nagaoka Univ. of Tech., 3. MRI)

4:05 PM - 4:20 PM

[3A15] Radiation Effects on Concrete Materials for Aging management

(4) Numerical evaluation of the effect of mineral composition on neutron irradiation expansion of concrete aggregate

*Yuu Nakajima¹, Keigo Fujikawa¹, Takafumi Igari¹, Yuhei Oida¹, Shunsuke Sakuragi¹, Noritsugu Nakatsuka¹, Takahiro Ohkubo², Kenta Murakami³, Shohei Sawada⁴, Ippei Maruyama³ (1. MRA, 2. Chiba Univ., 3. UTokyo, 4. KAJIMA)

Time reserved for Chair （4:20 PM - 4:30 PM）

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 502-1 Nuclear Materials, Degradation, Radiation Effects, and Related Technology

[2A01-02] Analytical Techniques

[2A03-06] Debris

(1) Non-isothermal interaction between Fe-Zr melt and stainless steel under severe accident condition

(2) Reaction of B4C with molten stainless steel

(3) Failure behavior of lower plenum due to reaction with metal-rich debris

[2A07-09] Boride

(1) Creation and evaluation of a tungsten-boron shielding material optimized by radiation transport code

(2) Evaluation of applicability of Si impregnation method to improve oxidation resistance of high melting point borides

(3) Effects of ball-milled Ti additives on low-temperature densification of TiB2

[2A10-14] Irradiation Effects

[2A15-21] Reactor Pressure Vessel Steels

(1) Irradiation-induced Precipitate G-phase Ni16Si7Mn6

[3A01-05] Fuel Cladding Materials 1

(1) Synthesis of Cr/zircaloy interface and its microstructural analysis

(2) Mechanical property evaluations of Cr/Zircaloy bonding materials

(3) In-situ measurement for deformation of Cr/Zry double layered material

(4) Microstructural evolutions of radiation damage in Cr and (Cr, Zr) Laves phase

(5) Materials design and surface reactions of Cr by first principle calculations

[3A06-09] Fuel Cladding Materials 2

(10) Joint Strength Evaluation of End-plug Joints in SiC Tubes at a Simulated Severe Accident (3)

[3A10-11] Corrosion

[3A12-15] Concrete

(1)Irradiation test results of aggregates and rock forming minerals

(2)Structural and Physical Properties of Neutron Irradiated Minerals: A Molecular Dynamics Study

(3)Volume swelling and radiation damage following Fe ion and electron irradiation

(4) Numerical evaluation of the effect of mineral composition on neutron irradiation expansion of concrete aggregate

Authentication

(2) Reaction of B₄C with molten stainless steel

(3) Effects of ball-milled Ti additives on low-temperature densification of TiB₂

(1) Irradiation-induced Precipitate G-phase Ni₁₆Si₇Mn₆