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Proceedings Papers

An Examination of Margins Needed to Ensure Conservative Application of T 0 to RPV Fracture Toughness

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J. Brian Hall, Brian M. Golchert, Derek Simpson
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A064, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-125225
https://doi.org/10.1115/PVP2024-125225
View Paper titled, An Examination of Margins Needed to Ensure Conservative Application of T 0 to RPV Fracture Toughness
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Topics: Embrittlement, Fracture toughness
Proceedings Papers

Project FRACTESUS: Fracture Toughness Round Robin on a High Copper Weld Using Miniature C(T) Specimens – Results and Discussion

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Florian Obermeier, Inge Uytdenhouwen, Eberhard Altstadt, Sergio Cicero, Marcos Sánchez, John Echols, Giovanni Bonny
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A061, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122646
https://doi.org/10.1115/PVP2024-122646
View Paper titled, Project FRACTESUS: Fracture Toughness Round Robin on a High Copper Weld Using Miniature C(T) Specimens – Results and Discussion
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Topics: Copper, Fracture toughness, Finite element model, Irradiation (Radiation exposure), Pressurized water reactors, Testing, ASTM International, Brittleness, Embrittlement, Heat
Proceedings Papers

Mastering Critical Factors Affecting Toughness Degradation Is Key to Effective Use of Duplex Stainless Steel in Pressure Vessels

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Claes Tigerstrand, Johan Pilhagen, Jan Y. Jonsson
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A017, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123202
https://doi.org/10.1115/PVP2024-123202
View Paper titled, Mastering Critical Factors Affecting Toughness Degradation Is Key to Effective Use of Duplex Stainless Steel in Pressure Vessels
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Topics: Embrittlement, Fracture toughness, Pressure vessels, Stainless steel, Stress
Proceedings Papers

Fracture Toughness Tests on Western RPV Steels Using Small Scale Specimen Technique – Evaluation of Results

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Florian Obermeier, Eberhard Altstadt, Hieronymus Hein, Aniruddh Das, Johannes May
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A059, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122615
https://doi.org/10.1115/PVP2024-122615
View Paper titled, Fracture Toughness Tests on Western RPV Steels Using Small Scale Specimen Technique – Evaluation of Results
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Topics: Fracture toughness, Steel, Fracture mechanics, Surveillance, Testing, Displacement, ASTM International, Cracking (Materials), Economics , Embrittlement
Proceedings Papers

Study on Compatibility Assessment of Urban Natural Gas Pipeline Welded Joints Under Hydrogen Environment

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Songrui Guo, Xiang He, Lingxiao Shao, Xi Shen, Zhengli Hua
Proc. ASME. PVP2024, Volume 3: Fluid-Structure Interaction; High Pressure Technology, V003T04A023, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122760
https://doi.org/10.1115/PVP2024-122760
View Paper titled, Study on Compatibility Assessment of Urban Natural Gas Pipeline Welded Joints Under Hydrogen Environment
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Topics: Cities, Hydrogen, Hydrogen embrittlement, Natural gas distribution, Steel, Tensile strength, Welded joints, Fatigue cracks, Mechanical properties, Pipelines
Proceedings Papers

De-Embrittlement of 1¼Cr–½Mo Steels

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Kazuki Suda, Mikihiro Sakata
Proc. ASME. PVP2024, Volume 4: Materials & Fabrication, V004T06A087, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122714
https://doi.org/10.1115/PVP2024-122714
View Paper titled, De-Embrittlement of 1¼Cr–½Mo Steels
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Topics: Embrittlement, Steel
Proceedings Papers

Aging Embrittlement of 1¼Cr–½Mo–Si and 1Cr–½Mo Steels

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Mikihiro Sakata, Charles Le Nevé
Proc. ASME. PVP2024, Volume 4: Materials & Fabrication, V004T06A085, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122452
https://doi.org/10.1115/PVP2024-122452
View Paper titled, Aging Embrittlement of 1¼Cr–½Mo–Si and 1Cr–½Mo Steels
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Topics: Cracking (Materials), Embrittlement, Fracture (Process), Steel
Proceedings Papers

Failure Analysis and Materials Degradation Properties Assessments in an Aged Hydroprocessing 347H Austenitic Stainless Piping

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Kevin Batts, Jorge Hau, Jorge Penso, Eric Caldwell, Mitul Dalal
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T07A025, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123067
https://doi.org/10.1115/PVP2024-123067
View Paper titled, Failure Analysis and Materials Degradation Properties Assessments in an Aged Hydroprocessing 347H Austenitic Stainless Piping
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Topics: Cracking (Materials), Embrittlement, Failure analysis, Fracture (Process), Fracture toughness, Materials degradation, Pipes, Fracture (Materials), Pumps, Elongation
Proceedings Papers

Embrittlement of 347H Stainless Steel Welds in 538 °C (1000 °F) Service

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Jorge Hau, Mitul Dalal, Jorge Penso
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T07A024, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123064
https://doi.org/10.1115/PVP2024-123064
View Paper titled, Embrittlement of 347H Stainless Steel Welds in 538 °C (1000 °F) Service
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Topics: Creep, Embrittlement, Stainless steel, Welded joints
Proceedings Papers

Ultrasonic Examination of Welds in Cast Austenitic Stainless Steel PWR Reactor Coolant System Piping Welds

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John Hayden, Jason Van Velsor
Proc. ASME. PVP2024, Volume 5: Operations, Applications, & Components; Seismic Engineering; ASME Nondestructive Evaluation, Diagnosis and Prognosis (NDPD) Division, V005T09A006, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123346
https://doi.org/10.1115/PVP2024-123346
View Paper titled, Ultrasonic Examination of Welds in Cast Austenitic Stainless Steel PWR Reactor Coolant System Piping Welds
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Topics: Nuclear reactor coolants, Pipes, Pressurized water reactors, Stainless steel, Ultrasonic testing, Welded joints, Embrittlement, Licensing, Casting, Failure mechanisms
Proceedings Papers

Assessment of the Need to Consider HAZ Properties as Part of RPV Integrity Management

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Mark Kirk, Marjorie Erickson, Elliot J. Long
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A033, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105904
https://doi.org/10.1115/PVP2023-105904
View Paper titled, Assessment of the Need to Consider HAZ Properties as Part of RPV Integrity Management
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Topics: ASME Standards, Base metals, Electromagnetic scattering, Embrittlement, Fracture toughness, Heat, Irradiation (Radiation exposure), Metals, Neutrons, Phase transition temperature
Proceedings Papers

Fractography of Neutron Irradiated RPV Steels – A Comparison of Shift in Reference Temperature and Net Hardening

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Aniruddh Das, Paul Chekhonin, Mario Houska, Florian Obermeier, Eberhard Altstadt
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A028, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-103648
https://doi.org/10.1115/PVP2023-103648
View Paper titled, Fractography of Neutron Irradiated RPV Steels – A Comparison of Shift in Reference Temperature and Net Hardening
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Topics: Fractography, Hardening, Neutrons, Steel, Temperature, Fracture (Materials), Irradiation (Radiation exposure), Embrittlement, Fracture toughness, Yield strength
Proceedings Papers

Master Curve Evaluation Using Miniature C(T) Specimens as Part of a Round Robin Program Within the FRACTESUS Project

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Frideriki Naziris, Rebeca Hernandez Pascual, Timo Metzler, Ermile Gaganidze, Inge Uytdenhouwen, Murthy Kolluri
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A045, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-107254
https://doi.org/10.1115/PVP2023-107254
View Paper titled, Master Curve Evaluation Using Miniature C(T) Specimens as Part of a Round Robin Program Within the FRACTESUS Project
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Topics: ASTM International, Design, Embrittlement, Fluence (Radiation measurement), Fracture toughness, Geometry, Machinery, Machining, Manipulators, Reactor vessels
Proceedings Papers

Comprehensive Modelling of Pressurized Thermal Shock With a Probabilistic Approach

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Fabio Pasti, Sina Tajfirooz, H. J. Uitslag-Doolaard, Francesco Brigante, F. H. E. De Haan-De Wilde
Proc. ASME. PVP2023, Volume 3: Fluid-Structure Interaction, V003T04A029, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105923
https://doi.org/10.1115/PVP2023-105923
View Paper titled, Comprehensive Modelling of Pressurized Thermal Shock With a Probabilistic Approach
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Topics: Computational fluid dynamics, Finite element methods, Fracture (Materials), Modeling, Thermal shock, Fracture (Process), Fluids, Simulation, Stress, Brittleness
Proceedings Papers

Comprehensive Prediction for Temper Embrittlement of Hydrogenation Reactors in Long-Term Service Condition

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Juanbo Liu, Zhiyuan Han, Haoyuan Kang, Sheng Chen, Libin Song, Meng He
Proc. ASME. PVP2023, Volume 5: Materials & Fabrication, V005T06A043, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-105977
https://doi.org/10.1115/PVP2023-105977
View Paper titled, Comprehensive Prediction for Temper Embrittlement of Hydrogenation Reactors in Long-Term Service Condition
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Topics: Embrittlement
Proceedings Papers

Development of a Technical Basis for Code Case N-914, “ Accounting for the Effect of Embrittlement on Fracture Toughness Properties Used in Evaluations of Pressure Boundary Materials in Class 1 Ferritic Steel Components, Section XI, Division 1 ”

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Mark Kirk, Marjorie Erickson, Elliot J. Long
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A045, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-83909
https://doi.org/10.1115/PVP2022-83909
View Paper titled, Development of a Technical Basis for Code Case N-914, “ Accounting for the Effect of Embrittlement on Fracture Toughness Properties Used in Evaluations of Pressure Boundary Materials in Class 1 Ferritic Steel Components, Section XI, Division 1 ”
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Topics: Accounting, Embrittlement, Fracture toughness, Pressure, Reactor vessels, Steel
Proceedings Papers

Use of Mini-CT Specimens for Fracture Toughness Characterization of Irradiated Highly Embrittled Weld

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Mikhail A. Sokolov
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A027, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84827
https://doi.org/10.1115/PVP2022-84827
View Paper titled, Use of Mini-CT Specimens for Fracture Toughness Characterization of Irradiated Highly Embrittled Weld
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Topics: Embrittlement, Fracture toughness, Radiation (Physics)
Proceedings Papers

Development of Generic Unirradiated Values of T 0 and RT To for Use in ASME Code Applications

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Marjorie Erickson, Mark Kirk, Elliot J. Long
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A047, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84048
https://doi.org/10.1115/PVP2022-84048
View Paper titled, Development of Generic Unirradiated Values of T 0 and RT To for Use in ASME Code Applications
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Topics: Accounting, ASME Standards, ASTM International, Embrittlement, Fracture toughness, Heat, Pressure, Reactor vessels, Steel, Temperature
Proceedings Papers

Towards a Probabilistic Analysis of Pressurized Thermal Shock

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C. D. Versteylen, N. B. Siccama, H. J. Uitslag-Doolaard, F. Brigante, E. Pallaoro, F. H. E. De Haan - De Wilde
Proc. ASME. PVP2022, Volume 3: Fluid-Structure Interaction; High Pressure Technology, V003T04A015, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84287
https://doi.org/10.1115/PVP2022-84287
View Paper titled, Towards a Probabilistic Analysis of Pressurized Thermal Shock
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Topics: Thermal shock, Fracture (Materials), Stress, Reactor vessels, Computational fluid dynamics, Simulation, Brittleness, Fluids, Probability, Finite element methods
Proceedings Papers

Impact of Thermal Ageing Embrittlement on Westinghouse and Combustion Engineering-Designed Pressurized Water Reactor Pressurizers Based on Pressure-Temperature Limit Comparison

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Alexandria M. Scott, Louis W. Turicik, J. Brian Hall, Anees Udyawar, Amy E. Freed, Elliot J. Long
Proc. ASME. PVP2022, Volume 4A: Materials and Fabrication, V04AT06A022, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-85520
https://doi.org/10.1115/PVP2022-85520
View Paper titled, Impact of Thermal Ageing Embrittlement on Westinghouse and Combustion Engineering-Designed Pressurized Water Reactor Pressurizers Based on Pressure-Temperature Limit Comparison
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Topics: Combustion, Combustion engineering, Embrittlement, Pressure, Pressurized water reactors, Temperature