Oral presentation

[2J01-04] Corrosion and Diffusion

Thu. Mar 17, 2022 10:45 AM - 12:00 PM Room J

Chair: Kinya Nakamura (CRIEPI)

10:45 AM - 11:00 AM

[2J01] Influences of Temperature and Dissolved Hydrogen on Corrosion Behavior of Stellite Alloy in Simulated PWR Primary Water Condition

*Takahiro Sasaoka¹, Takuyo Yamada¹, Koji Arioka¹ (1. Institute of Nuclear Safety System, Incorporated)

11:00 AM - 11:15 AM

[2J02] Effects of Temperature and Thermal Aging on SCC Behaviors of Stainless Steel Welds in Oxygenated High-Temperature Water

*Takuyo Yamada¹, Toru Ooumaya¹, Kohei Kokutani¹, Koji Arioka¹ (1. INSS)

11:15 AM - 11:30 AM

[2J03] Numerical simulation of simultaneous corrosion and hydrogen pickup in zirconium alloy

*Kana Yamaguchi¹, Katsuhito Takahashi², Kana Suzuki¹, Ikuji Takagi¹ (1. Kyoto Univ., 2. Hitachi)

11:30 AM - 11:45 AM

[2J04] Effects of dissolved-oxygen on carbon distribution in zirconium alloys under temperature gradients

*Teppei Otsuka¹, Tomofumi Sakuragi² (1. KINDAI Univ., 2. RWMC)

Time reserved for Chair （11:45 AM - 12:00 PM）

Oral presentation

[2J05-08] Severe Accident 3

Thu. Mar 17, 2022 2:45 PM - 4:00 PM Room J

Chair: Teppei Otsuka (Kindai Univ.)

2:45 PM - 3:00 PM

[2J05] Study on Cr coated cladding

(1)Investigation of oxidation behavior

*Yoshiyuki Nemoto¹, Yuji Okada², Daiki Sato², Afiqa Mohamad¹, Ikuo Ioka¹, Eriko Suzuki¹ (1. JAEA, 2. MNF)

3:00 PM - 3:15 PM

[2J06] Study on Cr coated cladding

(2)Investigation of the metallography after LOCA test

*Afiqa Mohamad¹, Yuji Okada², Daiki Sato², Ikuo Ioka¹, Eriko Suzuki¹, Yoshiyuki Nemoto¹ (1. JAEA, 2. MNF)

3:15 PM - 3:30 PM

[2J07] Initial melting reaction mechanism of BWR structural material with Zircaloy/Steel or Inconel

*Ayumi Itoh¹, Shintaro Yasui Yasui¹, Yoshinao Kobayashi¹, Kan Sakamoto², Kenichi Ito³, Mutsumi Hirai³, Masato Mizokami³ (1. Tokyo Tech, 2. NFD, 3. TEPCO HD)

3:30 PM - 3:45 PM

[2J08] Study for the seismic evaluation of the fuel assembly after Loss-Of-Coolant-Accident (LOCA) in PWR

Fabrication of LOCA simulated high temperature oxidization apparatus for full-size fuel grid

*Daisuke Komiyama¹, Daiki Sato¹, Takashi Oka², Masataka Tajimi², Koichi Ogata³, Masaaki Yamato⁴, Nozomu Murakami⁴ (1. MNF, 2. KEPCO, 3. NDC, 4. MHI)

Time reserved for Chair （3:45 PM - 4:00 PM）

Oral presentation

[2J09-14] Irradiation Effect

Thu. Mar 17, 2022 4:00 PM - 5:45 PM Room J

Chair: Hirokazu Ohta (CRIEPI)

4:00 PM - 4:15 PM

[2J09] Stability and growth of radiation defects influenced by cascade damage at different fluxes

*Dongyue Chen¹, Kenta Murakami¹, Huilong Yang¹, Hiroaki Abe¹, Naoto Sekimura¹ (1. The University of Tokyo)

4:15 PM - 4:30 PM

[2J10] Validation of displacement damage models in iron-based alloys using low-temperature ion irradiation

*Kenta Murakami¹, Hiroaki Abe¹, Donyue Chen¹, Naoto Sekimura¹ (1. UTokyo)

4:30 PM - 4:45 PM

[2J11] Ion-irradiation effects on hardness and microstructures in RPV model alloys with higher Mn-Ni-Si concentrations

*Xinrun Chen¹, Ruheine Naidu Chandren¹, Ba Vu Chinh Nguyen¹, Kenta Murakami² (1. Nagaoka University of Technology, 2. University of Tokyo)

4:45 PM - 5:00 PM

[2J12] Simulation of solute atom clustering process in reactor vessel steels

*Liangfan Zhu¹, Kazunori Morishita¹, Yoshiyuki Watanabe², Kiyohiro Yabuuchi¹ (1. Kyoto Univ., 2. QST)

5:00 PM - 5:15 PM

[2J13] Characterization of radiation defects in medium-Cu A533B steel irradiated by 5 MeV electrons using three analytical techniques: APT, TEM and STEM/EDS

*Katsuhiko Fujii¹, Hitoshi Seto², Koji Fukuya¹ (1. INSS, 2. NFD)

5:15 PM - 5:30 PM

[2J14] Pre-Estimation Procedure of Test Temperature and Its Range for the Master Curve Evaluation using Miniature Fracture Toughness Specimens

*Masato Yamamoto¹, Seiji Sakuraya¹, Yuji Kitsunai¹ (1. NFD)

Time reserved for Chair （5:30 PM - 5:45 PM）

Oral presentation

[3J01-06] SiC 1

Fri. Mar 18, 2022 9:30 AM - 11:15 AM Room J

Chair: Kenta Murakami (UTokyo)

9:30 AM - 9:45 AM

[3J01] R&D of anti-corrosion technology for full-ceramics reactor core

(1)Project overview

*Sosuke Kondo¹, Hirokazu Katsui², Kazuya Shimoda³, Ryutaro Usukawa², Kotaro Seki¹, Shaofan Lyu¹, Sola Iwamoto¹ (1. Tohoku Univ., 2. AIST, 3. NIMS)

9:45 AM - 10:00 AM

[3J02] R&D of anti-corrosion technology for full-ceramics reactor core

(2)Deposition of ceramics protective layers on silicon carbide substrates by chemical vapor deposition

Ryutaro Usukawa¹, *Hirokazu Katsui¹, Mikinori Hotta¹, Kazuya Shimoda², Sosuke Kondo³ (1. National Institute of Advanced Industrial Science and Technology (AIST), 2. National Institute for Materials Science, 3. Tohoku University)

10:00 AM - 10:15 AM

[3J03] R&D of anti-corrosion technology for full-ceramics reactor core

(3)High-temperature evaluation of protective alumina layers on SiC substrate

*Kazuya Shimoda¹, Masako Kato¹, Ryutaro Usukawa², Hirokazu Katsui², Sosuke Kondo³ (1. NIMS, 2. AIST, 3. Tohoku Univ.)

10:15 AM - 10:30 AM

[3J04] R&D of anti-corrosion technology for full-ceramics reactor core

(4)Ring-on-ring testing on multi ceramics coating system

*Sola Iwamoto¹, Ryutaro Usukawa², Hirokazu Katsui², Shaofan Lyu¹, Ryuta Kasada¹, Sosuke Kondo¹ (1. Tohoku Univ., 2. AIST)

10:30 AM - 10:45 AM

[3J05] R&D of anti-corrosion technology for full-ceramics reactor core

(5)Small specimen shear stress testing on ceramics coating

*Shaofan Lyu¹, Hirokazu Katsui², Hao Yu¹, Yasuki Okuno¹, Ryuta Kasada¹, Sosuke Kondo¹ (1. Tohoku University, 2. National Institute of Advanced Industrial Science and Technology)

10:45 AM - 11:00 AM

[3J06] R & D of anti-corrosion technology for full-ceramics reactor core

(6)Improvement of Corrosion Resistance of SiC by Hydrogen Termination of Unpaired Electrons

*Kotaro Seki¹, Sosuke Kondo¹, Koichi Sato², Ryuta Kasada¹ (1. Tohoku Univ., 2. Kagoshima Univ.)

Time reserved for Chair （11:00 AM - 11:15 AM）

Oral presentation

[3J07-08] SiC 2

Fri. Mar 18, 2022 11:15 AM - 12:00 PM Room J

Chair: Masato Yamamoto (NFD)

11:15 AM - 11:30 AM

[3J07] Effect of Ion Irradiation on Mechanical Properties of Silicon Carbide

*Baopu Wang¹, Yansong Zhong¹, Yina Du¹, Bo Huang, Kanjiro Kawasaki¹, Fujio Shinoda¹, Yasunori Hayashi¹, Tatsuya Hinoki¹ (1. Kyoto Univ.)

11:30 AM - 11:45 AM

[3J08] Ion-irradiation Effect on Swelling and Microstructure of C/BN Particle Dispersed SiC

*Yansong Zhong¹, Baopu Wang¹, Yina Du¹, Bo Huang, K Kawasaki¹, Fujio Shinoda¹, Tatsuya Hinoki¹ (1. Kyoto Univ.)

Time reserved for Chair （11:45 AM - 12:00 PM）

Oral presentation

[3J09-13] Debris 1

Fri. Mar 18, 2022 2:45 PM - 4:15 PM Room J

Chair: Sosuke Kondo (Tohoku Univ.)

2:45 PM - 3:00 PM

[3J09] Development of accident tolerant control rod

(5)Leaching test of novel neutron absorbing materials in PWR coolant water

*Hirokazu Ohta¹, Kinya Nakamura¹ (1. CRIEPI)

3:00 PM - 3:15 PM

[3J10] Development of accident tolerant control rod

(6)Compatibility between novel neutron absorber and silicon carbide at High temperature

*Kinya Nakamura¹, Hirokazu Ohta¹ (1. CRIEPI)

3:15 PM - 3:30 PM

[3J11] Investigation of re-distribution of B in SUS304-B₄C alloy under high temperature steam simulating BWR severe accident

*Shinnosuke Sakuma¹, Ayumi Itoh¹, Shintaro Yasui¹, Yoshinao Kobayashi¹, Kenichi Ito², Mutsumi Hirai², Masato Mizokami² (1. Tokyo Tech, 2. TEPCO HD)

3:30 PM - 3:45 PM

[3J12] Microstructural stability of Zr-SUS-B₄C model debris upon annealing

*Huilong Yang¹, Kenta Murakami¹, Syo Kano¹, Hiroaki Abe¹ (1. UTokyo)

3:45 PM - 4:00 PM

[3J13] Study on physical mechanism in phenomenon of fuel debris

*Seiya Suzuki¹, Yoichi Arai¹, Nobuo Okamura¹, Masayuki Watanabe¹ (1. Japan Atomic Energy Agency)

Time reserved for Chair （4:00 PM - 4:15 PM）

Sessions

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

[2J01-04] Corrosion and Diffusion

[2J05-08] Severe Accident 3

(1)Investigation of oxidation behavior

(2)Investigation of the metallography after LOCA test

Fabrication of LOCA simulated high temperature oxidization apparatus for full-size fuel grid

[2J09-14] Irradiation Effect

[3J01-06] SiC 1

(1)Project overview

(2)Deposition of ceramics protective layers on silicon carbide substrates by chemical vapor deposition

(3)High-temperature evaluation of protective alumina layers on SiC substrate

(4)Ring-on-ring testing on multi ceramics coating system

(5)Small specimen shear stress testing on ceramics coating

(6)Improvement of Corrosion Resistance of SiC by Hydrogen Termination of Unpaired Electrons

[3J07-08] SiC 2

[3J09-13] Debris 1

(5)Leaching test of novel neutron absorbing materials in PWR coolant water

(6)Compatibility between novel neutron absorber and silicon carbide at High temperature

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