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Proceedings Papers

A Review of Conservatisms in Fracture Mechanics Assessments

John Sharples, Peter James
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A022, July 13–15, 2021
Paper No: PVP2021-61934
DOI: https://doi.org/10.1115/PVP2021-61934
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Topics: Fatigue cracks, Fracture (Materials), Fracture (Process), Fracture mechanics
Proceedings Papers

Modeling Crack Growth in ASME Section XI Flaw Evaluations

W. H. Bamford, Anees Udyawar
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A003, July 13–15, 2021
Paper No: PVP2021-64992
DOI: https://doi.org/10.1115/PVP2021-64992
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Topics: ASME Standards, Fracture (Materials), Modeling
Proceedings Papers

Constraint Effect on Fracture in Ductile-Brittle Transition Temperature Region

Kiminobu Hojo, Takatoshi Hirota, Yasuto Nagoshi, Takuya Fukahori, Kimihisa Sakima, Mitsuru Ohata, Fumiyoshi Minami
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A055, July 13–15, 2021
Paper No: PVP2021-61318
DOI: https://doi.org/10.1115/PVP2021-61318
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Topics: Ductile fracture, Ductile-brittle transition, Fracture (Materials), Temperature
Proceedings Papers

Technical Basis for Increased Inspection Interval of Cold Leg Pressurized Water Reactor Dissimilar Metal Welds Using xLPR

Chris Lohse, Do Jun Shim, Dilip Dedhia, Rohan Dutta, Nathan Glunt
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A030, July 13–15, 2021
Paper No: PVP2021-62560
DOI: https://doi.org/10.1115/PVP2021-62560
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Topics: Inspection, Metals, Pressurized water reactors, Welded joints, Fracture (Materials), Alloys, ASME Standards, Computers, Probability, Temperature
Proceedings Papers

Dedicated CT Tests and Numerical Simulations to Assess Crack Arrest by Quasi-Laminar Flaws

Pierre Dulieu, Valéry Lacroix, Robert Gérard, Tomasz Brynk, Inge Uytdenhouwen, Rachid Chaouadi
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A020, July 13–15, 2021
Paper No: PVP2021-60379
DOI: https://doi.org/10.1115/PVP2021-60379
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Topics: Computer simulation, Fracture (Materials), Fracture toughness, Reactor vessels, Stress, Accidents, Brittleness, Defense industry, Displacement, Engineering simulation
Proceedings Papers

Negative R Fatigue Short Crack Growth Rate Testing on Austenitic Stainless Steels

Adam Griffiths, Peter Gill, Ben Coult, Jack Beswick, Norman Platts, Jonathan Mann, Chris Currie, Joe Airey
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A013, July 13–15, 2021
Paper No: PVP2021-62909
DOI: https://doi.org/10.1115/PVP2021-62909
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Topics: Fatigue, Fracture (Materials), Stainless steel, Testing, Grain size, Heat, Nucleation (Physics), Stress, Analytical methods, ASME Standards
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
Paper No: PVP2021-61725
DOI: https://doi.org/10.1115/PVP2021-61725
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Topics: Cladding systems (Building), Fracture (Materials), Fracture toughness, Reactor vessels, Steel
Proceedings Papers

Benchmark Analysis by Beremin Model and GTN Model in CAF Subcommittee

Takatoshi Hirota, Yasuto Nagoshi, Kiminobu Hojo, Hiroshi Okada, Akiyuki Takahashi, Jinya Katsuyama, Takashi Ueda, Takuya Ogawa, Kenji Yashirodai, Mitsuru Ohata, Fumiyoshi Minami
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A056, July 13–15, 2021
Paper No: PVP2021-61668
DOI: https://doi.org/10.1115/PVP2021-61668
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Topics: Brittleness, Computer simulation, Damage, Deformation, Ductile fracture, Ductile-brittle transition, Evaluation methods, Finite element analysis, Finite element model, Flat plates
Proceedings Papers

Lifetime Estimation Method of Polyethylene Pipe Based on the Full Notch Creep Test

Zhigang Wang, Bo Yang, Maodong Li, Xianshun Xu, Yue Li
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A004, July 13–15, 2021
Paper No: PVP2021-61748
DOI: https://doi.org/10.1115/PVP2021-61748
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Topics: Creep, Fracture (Materials), Polyethylene pipes
Proceedings Papers

Technical Basis Summary for Code Case N-860: Inspection Requirements and Evaluation Standards for Spent Nuclear Fuel Storage and Transportation Containment Systems

John E. Broussard, III
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A061, July 13–15, 2021
Paper No: PVP2021-64176
DOI: https://doi.org/10.1115/PVP2021-64176
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Topics: Containment systems, Inspection, Spent fuel storage, Spent nuclear fuels, Stress corrosion cracking, Transportation systems, In-service inspection, Acceptance criteria, ASME Boiler and Pressure Vessel Code, Fracture (Materials)
Proceedings Papers

Development of Leak Before Break Assessment Guidelines for Sodium Cooled Fast Reactors in Japan

Hiroki Yada, Takashi Wakai, Takayuki Miyagawa, Hideo Machida
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A060, July 13–15, 2021
Paper No: PVP2021-61942
DOI: https://doi.org/10.1115/PVP2021-61942
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Topics: Fast neutron reactors, Fracture (Materials), In-service inspection, Leakage, Leak-before-break, Sodium, Sodium fast reactors
Proceedings Papers

A Multi-Scale Failure-Probability-and-NDE-Based Fatigue Life Model for Estimating Component Co-Reliability of Uncracked and Cracked Pipes

Jeffrey T. Fong, Pedro V. Marcal, Robert Rainsberger, N. Alan Heckert, James J. Filliben, Steven R. Doctor, Ned A. Finney, Jr.
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A029, July 13–15, 2021
Paper No: PVP2021-62169
DOI: https://doi.org/10.1115/PVP2021-62169
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Topics: Failure, Fatigue, Fatigue life, Fracture (Materials), Inspection, Modeling, Nondestructive evaluation, Pipes, Pressure vessels, Probability
Proceedings Papers

High Temperature Hydrogen Attack (HTHA) Models for the Petrochemical Industry

Michael Swindeman, Erik J. Pavlina, Jorge Perdomo
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A019, July 13–15, 2021
Paper No: PVP2021-62927
DOI: https://doi.org/10.1115/PVP2021-62927
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Topics: High temperature, Hydrogen, Petrochemicals, Damage, Inspection, Steel, American Petroleum Institute, Design, Fracture (Materials), Modeling
Proceedings Papers

Evaluation of Brittle Crack Arrest Toughness for Highly-Irradiated Reactor Pressure Vessel Steels

Keiko Iwata, Kuniki Hata, Tohru Tobita, Takatoshi Hirota, Hisashi Takamizawa, Yasuhiro Chimi, Yutaka Nishiyama
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A059, July 13–15, 2021
Paper No: PVP2021-61893
DOI: https://doi.org/10.1115/PVP2021-61893
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Topics: Brittleness, Fracture (Materials), Fracture toughness, Notch testing, 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
Paper No: PVP2021-61892
DOI: https://doi.org/10.1115/PVP2021-61892
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Topics: Fracture (Materials), Fracture toughness, Heat, Neutrons, Steel, Vickers hardness testing
Proceedings Papers

Development of Guideline on Seismic Fragility Evaluation for Aged Piping

Yoshihito Yamaguchi, Jinya Katsuyama, Koichi Masaki, Yinsheng Li
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A028, July 13–15, 2021
Paper No: PVP2021-61509
DOI: https://doi.org/10.1115/PVP2021-61509
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Topics: Fracture mechanics, Pipes, Nuclear power stations, Piping systems, Probabilistic risk assessment, Accidents, Damage, Earthquake risk, Fracture (Materials), Safety
Proceedings Papers

Prediction of J-Integrals at Defects in W-9CR Steel Sandwich-Type Cooling Pipes

Tristan Calvet, Yiqiang Wang, Minh-Son Pham, Catrin M. Davies
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A064, July 13–15, 2021
Paper No: PVP2021-62878
DOI: https://doi.org/10.1115/PVP2021-62878
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Topics: Brazing, Cooling, Heat flux, Pipes, Steel, Thermal stresses, Fracture (Materials), Manufacturing, Stress, Tungsten
Proceedings Papers

Fracture Analysis of Reactor Pressure Vessel Lower Head Considering Core Meltdown Accident

Yaroslav Dubyk, Vitalii Antonchenko, Maksym Zarazovskii
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A063, July 13–15, 2021
Paper No: PVP2021-62062
DOI: https://doi.org/10.1115/PVP2021-62062
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Topics: Accidents, Fracture (Materials), Reactor vessels, Vessels, Boundary-value problems, Cavities, Cooling, Creep, Floods, Fracture mechanics
Proceedings Papers

Vibration Propagation Analysis of Periodic Pipeline With Crack Defects

Donghui Wang, Qingna Zeng, Fenggang Zang, Yixiong Zhang
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A042, July 13–15, 2021
Paper No: PVP2021-60988
DOI: https://doi.org/10.1115/PVP2021-60988
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Topics: Composite materials, Damage, Energy gap, Fracture (Materials), Frequency response, Pipelines, Vibration
Proceedings Papers

Fatigue Life Calculation Method of 4130X High Pressure Hydrogen Storage Cylinder With Initial Crack Defect

Peng Ge, Zhiping Chen, Mengjie Liu
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A034, July 13–15, 2021
Paper No: PVP2021-61530
DOI: https://doi.org/10.1115/PVP2021-61530
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Topics: Computational methods, Cylinders, Fatigue life, Fracture (Materials), Fracture mechanics, High pressure (Physics), Hydrogen storage