1-7 of 7
Yoosung Ha
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

Fracture Toughness Evaluation of the Heat-Affected Zone Under the Weld Overlay Cladding in Reactor Pressure Vessel Steel

Accepted Manuscript
Yoosung Ha, Tohru Tobita, Hisashi Takamizawa, Jinya Katsuyama
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol.
Paper No: PVT-22-1083
DOI: https://doi.org/10.1115/1.4055626
Published Online: September 14, 2022
View Article
PDF
Topics: Cladding systems (Building), Fracture toughness, Heat, Overlays (Materials engineering), Reactor vessels, Steel, Base metals, Temperature
Proceedings Papers

Assessment of Residual Stress for Thick Butt-Welded Plate of a Reactor Pressure Vessel Steel

Yoosung Ha, Shigetaka Okano, Hisashi Takamizawa, Jinya Katsuyama, Masahito Mochizuki
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A067, July 13–15, 2021
Paper No: PVP2021-61897
DOI: https://doi.org/10.1115/PVP2021-61897
View Paper
PDF
Topics: Drilling, Finite element analysis, Reactor vessels, Steel, Stress
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
Paper No: PVP2021-61892
DOI: https://doi.org/10.1115/PVP2021-61892
View Paper
PDF
Topics: Fracture (Materials), Fracture toughness, Heat, Neutrons, Steel, Vickers hardness testing
Proceedings Papers

Susceptibility to Neutron Irradiation Embrittlement of Heat-Affected Zone of Reactor Pressure Vessel Steels

Hisashi Takamizawa, Jinya Katsuyama, Yoosung Ha, Tohru Tobita, Yutaka Nishiyama, Kunio Onizawa
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A022, July 14–19, 2019
Paper No: PVP2019-94011
DOI: https://doi.org/10.1115/PVP2019-94011
View Paper
PDF
Topics: Embrittlement, Heat, Irradiation (Radiation exposure), Neutrons, Reactor vessels, Steel
Proceedings Papers

Fracture Toughness Evaluation of Heat-Affected Zone Under Weld Overlay Cladding in Reactor Pressure Vessel Steel

Yoosung Ha, Tohru Tobita, Hisashi Takamizawa, Satoshi Hanawa, Yutaka Nishiyama
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A067, July 15–20, 2018
Paper No: PVP2018-84535
DOI: https://doi.org/10.1115/PVP2018-84535
View Paper
PDF
Topics: Cladding systems (Building), Fracture toughness, Heat, Overlays (Materials engineering), Reactor vessels, Steel, Strips, Base metals, Pressure vessels, Temperature
Journal Articles

Applicability of Miniature Compact Tension Specimens for Fracture Toughness Evaluation of Highly Neutron Irradiated Reactor Pressure Vessel Steels

Yoosung Ha, Tohru Tobita, Takuyo Ohtsu, Hisashi Takamizawa, Yutaka Nishiyama
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. October 2018, 140(5): 051402.
Paper No: PVT-18-1039
DOI: https://doi.org/10.1115/1.4040642
Published Online: August 2, 2018
View Article
PDF
Topics: Fracture toughness, Neutrons, Steel, Temperature, Reactor vessels, Tension, Electromagnetic scattering
Proceedings Papers

Fracture Toughness Evaluation of Neutron-Irradiated Reactor Pressure Vessel Steel Using Miniature-C(T) Specimens

Yoosung Ha, Tohru Tobita, Hisashi Takamizawa, Yutaka Nishiyama
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A067, July 16–20, 2017
Paper No: PVP2017-65568
DOI: https://doi.org/10.1115/PVP2017-65568
View Paper
PDF
Topics: Fracture toughness, Neutrons, Reactor vessels, Steel, Temperature, Electromagnetic scattering, Phase transition temperature