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Proceedings Papers

Investigation of Temperature Dependence of Weibull Parameters of the Beremin Model in Ductile-Brittle Transition Temperature Region

Kiminobu Hojo, Naoki Ogawa, Kentaro Yoshimoto, Takatoshi Hirota, Yasuto Nagoshi
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A014, August 3, 2020
Paper No: PVP2020-21651
DOI: https://doi.org/10.1115/PVP2020-21651
View Paper titled, Investigation of Temperature Dependence of Weibull Parameters of the Beremin Model in Ductile-Brittle Transition Temperature Region
Click here to open pdf in another window PDF for Investigation of Temperature Dependence of Weibull Parameters of the Beremin Model in Ductile-Brittle Transition Temperature Region
Topics: Ductile-brittle transition, Temperature, Temperature effects, Alloy steel, Fracture (Materials), Fracture (Process), Brittle fracture, Carbon steel, Ductile fracture, Electromagnetic scattering
Proceedings Papers

Fracture Analysis of Ductile-Brittle Transition Temperature Region Considering Specimens With Different Constraints

Kiminobu Hojo, Takatoshi Hirota, Naoki Ogawa, Kentaro Yoshimoto, Yasuto Nagoshi, Shinichi Kawabata
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A057, July 15–20, 2018
Paper No: PVP2018-84385
DOI: https://doi.org/10.1115/PVP2018-84385
View Paper titled, Fracture Analysis of Ductile-Brittle Transition Temperature Region Considering Specimens With Different Constraints
Click here to open pdf in another window PDF for Fracture Analysis of Ductile-Brittle Transition Temperature Region Considering Specimens With Different Constraints
Topics: Ductile-brittle transition, Fracture (Materials), Fracture (Process), Temperature, Electromagnetic scattering, Flat plates, Brittleness, Damage mechanics, Ductile fracture, Evaluation methods
Proceedings Papers

Study on Applicability of Master Curve Methodology Using Miniature C(T) Specimen to a Reactor Pressure Vessel With Low Upper Shelf Energy

Kentaro Yoshimoto, Takatoshi Hirota, Hiroyuki Sakamoto, Masato Oshikiri, Kazuya Tsutsumi, Takeshi Murakami
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A075, July 15–20, 2018
Paper No: PVP2018-84994
DOI: https://doi.org/10.1115/PVP2018-84994
View Paper titled, Study on Applicability of Master Curve Methodology Using Miniature C(T) Specimen to a Reactor Pressure Vessel With Low Upper Shelf Energy
Click here to open pdf in another window PDF for Study on Applicability of Master Curve Methodology Using Miniature C(T) Specimen to a Reactor Pressure Vessel With Low Upper Shelf Energy
Topics: Reactor vessels, Fracture toughness, Irradiation (Radiation exposure), Neutrons, Steel, Countermeasures, Ductile fracture, Embrittlement, Fracture (Materials), Fracture (Process)
Proceedings Papers

Applicability of Miniature C(T) Specimen to Fracture Toughness Evaluation for the Irradiated Japanese Reactor Pressure Vessel Steel

Takuji Sugihara, Takatoshi Hirota, Hiroyuki Sakamoto, Kentaro Yoshimoto, Kazuya Tsutsumi, Takeshi Murakami
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A073, July 16–20, 2017
Paper No: PVP2017-66206
DOI: https://doi.org/10.1115/PVP2017-66206
View Paper titled, Applicability of Miniature C(T) Specimen to Fracture Toughness Evaluation for the Irradiated Japanese Reactor Pressure Vessel Steel
Click here to open pdf in another window PDF for Applicability of Miniature C(T) Specimen to Fracture Toughness Evaluation for the Irradiated Japanese Reactor Pressure Vessel Steel
Topics: Fracture toughness, Reactor vessels, Steel, Pressurized water reactors, Surveillance, Base metals, Metals, Electricity (Physics), Fatigue, Gas discharge (Electric discharge)
Proceedings Papers

Specimen Size Effect on Fracture Toughness of Reactor Pressure Vessel Steel Following Warm Pre-Stressing

Keiko Iwata, Tohru Tobita, Hisashi Takamizawa, Yasuhiro Chimi, Kentaro Yoshimoto, Yutaka Nishiyama
Proc. ASME. PVP2016, Volume 1B: Codes and Standards, V01BT01A017, July 17–21, 2016
Paper No: PVP2016-63795
DOI: https://doi.org/10.1115/PVP2016-63795
View Paper titled, Specimen Size Effect on Fracture Toughness of Reactor Pressure Vessel Steel Following Warm Pre-Stressing
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Topics: Fracture toughness, Reactor vessels, Size effect, Steel, Stress, Engineering models, Fracture (Materials), Fracture (Process), Thermomechanics, Transients (Dynamics)
Proceedings Papers

Applicability of Fracture Toughness Curves Developed for Japanese Pressure Vessel Steels to Structural Integrity Evaluation

Kentaro Yoshimoto, Takatoshi Hirota, Hiroyuki Sakamoto
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A053, July 19–23, 2015
Paper No: PVP2015-45275
DOI: https://doi.org/10.1115/PVP2015-45275
View Paper titled, Applicability of Fracture Toughness Curves Developed for Japanese Pressure Vessel Steels to Structural Integrity Evaluation
Click here to open pdf in another window PDF for Applicability of Fracture Toughness Curves Developed for Japanese Pressure Vessel Steels to Structural Integrity Evaluation
Topics: Fracture toughness, Pressure vessels, Steel, Pressurized water reactors, Surveillance, Embrittlement, Indexing (Machining), Irradiation (Radiation exposure), Phase transition temperature, Reactor vessels
Proceedings Papers

Development of Probabilistic Evaluation Models of Fracture Toughness K Ic and K Ia for Japanese RPV Steels

Jinya Katsuyama, Genshichiro Katsumata, Kunio Onizawa, Kazuya Osakabe, Kentaro Yoshimoto
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A017, July 19–23, 2015
Paper No: PVP2015-45915
DOI: https://doi.org/10.1115/PVP2015-45915
View Paper titled, Development of Probabilistic Evaluation Models of Fracture Toughness K Ic and K Ia for Japanese RPV Steels
Click here to open pdf in another window PDF for Development of Probabilistic Evaluation Models of Fracture Toughness K Ic and K Ia for Japanese RPV Steels
Topics: Fracture toughness, Steel, Databases, Electromagnetic scattering, Fracture (Materials), Fracture (Process), Fracture mechanics, Log normal distribution, Probability, Reactor vessels
Proceedings Papers

A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: 3rd Report — Comparison of T 0 Under Various Selections of Temperature Conditions

Masato Yamamoto, Akihiko Kimura, Kunio Onizawa, Kentaro Yoshimoto, Takuya Ogawa, Yasuhiro Mabuchi, Hans-Werner Viehrig, Naoki Miura, Naoki Soneda
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A098, July 20–24, 2014
Paper No: PVP2014-28898
DOI: https://doi.org/10.1115/PVP2014-28898
View Paper titled, A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: 3rd Report — Comparison of T 0 Under Various Selections of Temperature Conditions
Click here to open pdf in another window PDF for A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: 3rd Report — Comparison of T 0 Under Various Selections of Temperature Conditions
Topics: Temperature, Fracture toughness, Testing, Electromagnetic scattering, Machinery, Steel, Surveillance, ASTM International, Dimensions, Reliability
Proceedings Papers

A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens — 2nd Report: Fracture Toughness Comparison in Specified Loading Rate Condition

Masato Yamamoto, Kunio Onizawa, Kentaro Yoshimoto, Takuya Ogawa, Yasuhiro Mabuchi, Naoki Miura
Proc. ASME. PVP2013, Volume 1B: Codes and Standards, V01BT01A045, July 14–18, 2013
Paper No: PVP2013-97936
DOI: https://doi.org/10.1115/PVP2013-97936
View Paper titled, A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens — 2nd Report: Fracture Toughness Comparison in Specified Loading Rate Condition
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Topics: Fracture toughness, Deformation, Electromagnetic scattering, Steel, Surveillance, Dimensions, Governments, Reliability, Temperature
Proceedings Papers

Applicability of Miniature C(T) Specimen to Evaluation of Fracture Toughness for Reactor Pressure Vessel Steel

Kentaro Yoshimoto, Takatoshi Hirota, Hiroyuki Sakamoto, Takuji Sugihara, Shohei Sakaguchi, Toru Oumaya
Proc. ASME. PVP2013, Volume 6B: Materials and Fabrication, V06BT06A056, July 14–18, 2013
Paper No: PVP2013-97840
DOI: https://doi.org/10.1115/PVP2013-97840
View Paper titled, Applicability of Miniature C(T) Specimen to Evaluation of Fracture Toughness for Reactor Pressure Vessel Steel
Click here to open pdf in another window PDF for Applicability of Miniature C(T) Specimen to Evaluation of Fracture Toughness for Reactor Pressure Vessel Steel
Topics: Fracture toughness, Reactor vessels, Steel, Reliability, Surveillance, Dimensions, Electromagnetic scattering, Embrittlement, Evaluation methods, Irradiation (Radiation exposure)
Proceedings Papers

Evaluation on Constraint Effect of Reactor Pressure Vessel Under Pressurized Thermal Shock

Naoki Ogawa, Kentaro Yoshimoto, Takatoshi Hirota, Shohei Sakaguchi, Toru Oumaya
Proc. ASME. PVP2013, Volume 1B: Codes and Standards, V01BT01A056, July 14–18, 2013
Paper No: PVP2013-97566
DOI: https://doi.org/10.1115/PVP2013-97566
View Paper titled, Evaluation on Constraint Effect of Reactor Pressure Vessel Under Pressurized Thermal Shock
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Topics: Reactor vessels, Thermal shock, Fracture (Materials), Fracture toughness, Accidents, Stress, Surface cracks, Coolants, Deformation, Finite element analysis
Proceedings Papers

A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: First Round Robin Test on Uniform Specimens of Reactor Pressure Vessel Material

Masato Yamamoto, Akihiko Kimura, Kunio Onizawa, Kentaro Yoshimoto, Takuya Ogawa, Atsushi Chiba, Takashi Hirano, Takuji Sugihara, Masanari Sugiyama, Naoki Miura, Naoki Soneda
Proc. ASME. PVP2012, Volume 6: Materials and Fabrication, Parts A and B, 73-79, July 15–19, 2012
Paper No: PVP2012-78661
DOI: https://doi.org/10.1115/PVP2012-78661
View Paper titled, A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: First Round Robin Test on Uniform Specimens of Reactor Pressure Vessel Material
Click here to open pdf in another window PDF for A Round Robin Program of Master Curve Evaluation Using Miniature C(T) Specimens: First Round Robin Test on Uniform Specimens of Reactor Pressure Vessel Material
Topics: ASTM International, Cracking (Materials), Dimensions, Evaluation methods, Fracture (Process), Fracture toughness, Governments, Machining, Reactor vessels, Reliability
Proceedings Papers

Application of Master Curve Method to Fracture Toughness Estimation of the Transport and Storage Cask Material

Kiminobu Hojo, Kentaro Yoshimoto, Ryuichi Yamamoto, Toshihiro Matsuoka, Uwe Mayer
Proc. ASME. PVP2008, Volume 1: Codes and Standards, 165-172, July 27–31, 2008
Paper No: PVP2008-61181
DOI: https://doi.org/10.1115/PVP2008-61181
View Paper titled, Application of Master Curve Method to Fracture Toughness Estimation of the Transport and Storage Cask Material
Click here to open pdf in another window PDF for Application of Master Curve Method to Fracture Toughness Estimation of the Transport and Storage Cask Material
Topics: Fracture toughness, Storage, Electromagnetic scattering, Alloy steel, Brittleness, Fracture (Materials), Fracture (Process), Phase transition temperature, Temperature, Accidents