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Masaki Shimodaira
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Proceedings Papers

Biaxial Constraint Effect on Fracture Toughness Evaluation of Reactor Pressure Vessel Under Pressurized Thermal Shock Events

Masaki Shimodaira, Yoshihito Yamaguchi, Keiko Iwata, Jinya Katsuyama, Yasuhiro Chimi
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A065, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123136
https://doi.org/10.1115/PVP2024-123136
View Paper titled, Biaxial Constraint Effect on Fracture Toughness Evaluation of Reactor Pressure Vessel Under Pressurized Thermal Shock Events
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Topics: Fracture (Materials), Fracture toughness, Reactor vessels, Stress, Thermal shock
Proceedings Papers

Plastic Constraint Correction Factor X for Brittle Fracture in Ductile-Brittle Transition Temperature Region

Kiminobu Hojo, Takatoshi Hirota, Yasuto Nagoshi, Takuya Fukahori, Kazuma Shimizu, Masaki Shimodaira, Takuya Ogawa, Kenji Yashirodai, Mitsuru Ohata, Fumiyoshi Minami
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A066, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123140
https://doi.org/10.1115/PVP2024-123140
View Paper titled, Plastic Constraint Correction Factor X for Brittle Fracture in Ductile-Brittle Transition Temperature Region
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Topics: Brittle fracture, Ductile-brittle transition, Fracture (Materials), Fracture (Process), Temperature, Reactor vessels, Shapes, Yield strength, Ductile fracture, Geometry
Proceedings Papers

Analysis of the Effect of Pre-Crack Curvature in Mini-C(T) Specimen on Fracture Toughness Evaluation

Masaki Shimodaira, Yoosung Ha, Hisashi Takamizawa, Jinya Katsuyama, Kunio Onizawa
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A027, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-102699
https://doi.org/10.1115/PVP2023-102699
View Paper titled, Analysis of the Effect of Pre-Crack Curvature in Mini-C(T) Specimen on Fracture Toughness Evaluation
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Topics: Finite element analysis, Fracture (Materials), Fracture toughness
Proceedings Papers

Effect of Plastic Constraint and Cladding on Semi-Elliptical Shaped Crack in Fracture Toughness Evaluation for a Reactor Pressure Vessel Steel

Masaki Shimodaira, Tohru Tobita, Yasuto Nagoshi, Kai Lu, Jinya Katsuyama
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A057, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61725
https://doi.org/10.1115/PVP2021-61725
View Paper titled, Effect of Plastic Constraint and Cladding on Semi-Elliptical Shaped Crack in Fracture Toughness Evaluation for a Reactor Pressure Vessel Steel
Open the PDF for Effect of Plastic Constraint and Cladding on Semi-Elliptical Shaped Crack in Fracture Toughness Evaluation for a Reactor Pressure Vessel Steel in another window
Topics: Cladding systems (Building), Fracture (Materials), Fracture toughness, Reactor vessels, Steel
Proceedings Papers

Fracture Toughness in Postulated Crack Area of PTS Evaluation in Highly-Neutron Irradiated RPV Steel

Yoosung Ha, Masaki Shimodaira, Hisashi Takamizawa, Tohru Tobita, Jinya Katsuyama, Yutaka Nishiyama
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A058, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61892
https://doi.org/10.1115/PVP2021-61892
View Paper titled, Fracture Toughness in Postulated Crack Area of PTS Evaluation in Highly-Neutron Irradiated RPV Steel
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Topics: Fracture (Materials), Fracture toughness, Heat, Neutrons, Steel, Vickers hardness testing
Journal Articles

Constraint Effect on Fracture Behavior of Underclad Crack in Reactor Pressure Vessel

Masaki Shimodaira, Tohru Tobita, Hisashi Takamizawa, Jinya Katsuyama, Satoshi Hanawa
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research-Article
J. Pressure Vessel Technol. February 2022, 144(1): 011304.
Paper No: PVT-21-1049
https://doi.org/10.1115/1.4051704
Published Online: August 4, 2021
View Article titled, Constraint Effect on Fracture Behavior of Underclad Crack in Reactor Pressure Vessel
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Topics: Cladding systems (Building), Finite element analysis, Fracture (Materials), Fracture toughness, Reactor vessels, Stress, Surface cracks
Proceedings Papers

Constraint Effect on Fracture Mechanics Evaluation for an Under-Clad Crack in a Reactor Pressure Vessel Steel

Masaki Shimodaira, Tohru Tobita, Hisashi Takamizawa, Jinya Katsuyama, Satoshi Hanawa
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A049, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21441
https://doi.org/10.1115/PVP2020-21441
View Paper titled, Constraint Effect on Fracture Mechanics Evaluation for an Under-Clad Crack in a Reactor Pressure Vessel Steel
Open the PDF for Constraint Effect on Fracture Mechanics Evaluation for an Under-Clad Crack in a Reactor Pressure Vessel Steel in another window
Topics: Finite element analysis, Fracture (Materials), Fracture mechanics, Fracture toughness, Reactor vessels, Steel, Surface cracks, Cladding systems (Building), Stress, Anisotropy