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Proceedings Papers

Quantitative Characterization of Hydride Morphology in Support of Improving Cohesive-Zone Fracture Toughness Model for Zr-2.5Nb Pressure Tubes

Cheng Liu
Proc. ASME. PVP2024, Volume 1: Codes & Standards; Computer Technology & Bolted Joints, V001T01A007, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-124630
https://doi.org/10.1115/PVP2024-124630
View Paper titled, Quantitative Characterization of Hydride Morphology in Support of Improving Cohesive-Zone Fracture Toughness Model for Zr-2.5Nb Pressure Tubes
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Topics: Fracture toughness, Pressure, Zirconium
Proceedings Papers

Derivation of Input Distributions for Probabilistic Evaluation of PT/CT Contact in CANDU Reactors

Eric Nadeau, Adrian Baniak
Proc. ASME. PVP2024, Volume 2: Design & Analysis, V002T03A067, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122832
https://doi.org/10.1115/PVP2024-122832
View Paper titled, Derivation of Input Distributions for Probabilistic Evaluation of PT/CT Contact in CANDU Reactors
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Topics: Arches, Candu reactors, Cold climates, Cracking (Materials), Creep, Design, Fittings, Fracture (Materials), Fracture (Process), Fuels
Proceedings Papers

The Effects of Model Thickness on the Variation of Localised Stress Fields in Four-Point Bending Tests: A CPFE Study

Brandon Kuo, Masoud Taherijam, Hamidreza Abdolvand
Proc. ASME. PVP2024, Volume 4: Materials & Fabrication, V004T06A041, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-122917
https://doi.org/10.1115/PVP2024-122917
View Paper titled, The Effects of Model Thickness on the Variation of Localised Stress Fields in Four-Point Bending Tests: A CPFE Study
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Topics: Pressure, Stress, Zirconium, Electron backscatter diffraction, Hydrogen, Hydrostatics, Nuclear reactors, Atoms, Boundary-value problems, Crystals
Proceedings Papers

Delayed Hydride Cracking Initiation Evaluation of a Fretting Flaw in a CANDU Reactor Zr-Nb Pressure Tube With Consideration of Finite Length of the Flaw and Flaw Shielding Effect

Douglas Scarth, Steven Xu, Preeti Doddihal, Dennis Kawa, Monique Ip
Proc. ASME. PVP2024, Volume 4: Materials & Fabrication, V004T06A003, July 28–August 2, 2024
Publisher: American Society of Mechanical Engineers
Paper No: PVP2024-123315
https://doi.org/10.1115/PVP2024-123315
View Paper titled, Delayed Hydride Cracking Initiation Evaluation of a Fretting Flaw in a CANDU Reactor Zr-Nb Pressure Tube With Consideration of Finite Length of the Flaw and Flaw Shielding Effect
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Topics: Candu reactors, Cracking (Materials), Fracture (Process), Pressure, Zirconium
Proceedings Papers

Validation and Refinement of Statistical-Based Fatigue Crack Initiation Model for Axial Flaws in Zr-Nb Pressure Tubes

Cheng Liu, Douglas Scarth
Proc. ASME. PVP2023, Volume 5: Materials & Fabrication, V005T06A005, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106363
https://doi.org/10.1115/PVP2023-106363
View Paper titled, Validation and Refinement of Statistical-Based Fatigue Crack Initiation Model for Axial Flaws in Zr-Nb Pressure Tubes
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Topics: Fatigue cracks, Pressure, Stress, Zirconium
Proceedings Papers

An Extended Process-Zone Modeling Framework for Overload Crack Initiation in Zr-2.5Nb Pressure Tubes

Steven X. Xu, Douglas A. Scarth, David Cho
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A034, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-85158
https://doi.org/10.1115/PVP2022-85158
View Paper titled, An Extended Process-Zone Modeling Framework for Overload Crack Initiation in Zr-2.5Nb Pressure Tubes
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Topics: Fracture (Materials), Modeling, Pressure, Stress, Zirconium
Proceedings Papers

Delayed Hydride Cracking Initiation Evaluation of Interacting Flaws in a CANDU Reactor Zr-Nb Pressure Tube

Douglas Scarth, Preeti Doddihal, Monique Ip
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A019, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62822
https://doi.org/10.1115/PVP2021-62822
View Paper titled, Delayed Hydride Cracking Initiation Evaluation of Interacting Flaws in a CANDU Reactor Zr-Nb Pressure Tube
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Topics: Cracking (Materials), Fracture (Process), Pressure, Zirconium
Proceedings Papers

Modeling of Plastic Zones and Fracture Paths in Representative Material Elements With Bulk Hydrides in Hydrided Irradiated Zr-2.5Nb Pressure Tube Materials Under Plane Strain Conditions

Shengjia Wu, Jwo Pan, Douglas A. Scarth
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A003, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62458
https://doi.org/10.1115/PVP2021-62458
View Paper titled, Modeling of Plastic Zones and Fracture Paths in Representative Material Elements With Bulk Hydrides in Hydrided Irradiated Zr-2.5Nb Pressure Tube Materials Under Plane Strain Conditions
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Topics: Fracture (Materials), Modeling, Plane strain, Pressure, Zirconium, Stress, Elastic moduli, Finite element analysis, Stress-strain relations, Tension
Proceedings Papers

A Simplified Large Thin Plate Model for Modeling Fracture Behavior of a Hydrided Irradiated Zr-2.5Nb Pressure Tube Specimen With an Axial Crack

Shin-Jang Sung, Jwo Pan, Cheng Liu, Douglas A. Scarth
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A015, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93762
https://doi.org/10.1115/PVP2019-93762
View Paper titled, A Simplified Large Thin Plate Model for Modeling Fracture Behavior of a Hydrided Irradiated Zr-2.5Nb Pressure Tube Specimen With an Axial Crack
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Topics: Fracture (Materials), Modeling, Pressure, Zirconium, Finite element model, Stress
Proceedings Papers

Deformation Behavior and J-Integral of Macroscopic Hydride Platelet Clusters in Hydrided Zr-2.5Nb Pressure Tube Materials Under Plane Strain Conditions

Shengjia Wu, Jwo Pan, Douglas A. Scarth, Sterling St. Lawrence
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A016, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93763
https://doi.org/10.1115/PVP2019-93763
View Paper titled, Deformation Behavior and J-Integral of Macroscopic Hydride Platelet Clusters in Hydrided Zr-2.5Nb Pressure Tube Materials Under Plane Strain Conditions
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Topics: Deformation, Plane strain, Platelets, Pressure, Zirconium, Fracture (Materials), Mechanical behavior, Stress, Finite element analysis, Fracture toughness
Proceedings Papers

Specimen Curvature and Size Effects on Crack Growth Resistance From Compact Tension Specimens of CANDU Pressure Tubes

Bruce W. Williams, William R. Tyson, C. Hari M. Simha, Bogdan Wasiluk
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A011, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93318
https://doi.org/10.1115/PVP2019-93318
View Paper titled, Specimen Curvature and Size Effects on Crack Growth Resistance From Compact Tension Specimens of CANDU Pressure Tubes
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Topics: Fracture (Materials), Pressure, Tension, Fracture toughness, Stress, Tunnel construction, ASTM International, Testing, Zirconium, Damage
Proceedings Papers

Inconel X-750 Spacer Fitness-for-Service

Winnie Lau, Douglas Scarth, Preeti Doddihal
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A063, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93943
https://doi.org/10.1115/PVP2019-93943
View Paper titled, Inconel X-750 Spacer Fitness-for-Service
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Topics: Fitness-for-service, Annulus, Pressure, Fuels, Cooling, Design, Fatigue life, Leakage, Load bearing capacity, Materials degradation
Proceedings Papers

A Framework for Estimating Burst Test Fracture Toughness for Zr-2.5Nb Pressure Tubes Using Data From Small Specimen Tests

Steven X. Xu, Kim Wallin, David Cho
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A038, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-94064
https://doi.org/10.1115/PVP2019-94064
View Paper titled, A Framework for Estimating Burst Test Fracture Toughness for Zr-2.5Nb Pressure Tubes Using Data From Small Specimen Tests
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Topics: Fracture toughness, Pressure, Zirconium
Proceedings Papers

Cycle-Wise Process-Zone Model for Prediction of Delayed Hydride Cracking Initiation Under Flaw-Tip Hydride Ratcheting Conditions

Steven X. Xu, Jun Cui, Douglas A. Scarth, David Cho
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A042, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85116
https://doi.org/10.1115/PVP2018-85116
View Paper titled, Cycle-Wise Process-Zone Model for Prediction of Delayed Hydride Cracking Initiation Under Flaw-Tip Hydride Ratcheting Conditions
Open the PDF for Cycle-Wise Process-Zone Model for Prediction of Delayed Hydride Cracking Initiation Under Flaw-Tip Hydride Ratcheting Conditions in another window
Topics: Cracking (Materials), Cycles, Fracture (Process), Heat, Fuels, Pressure, Stress, Bearings, Corrosion, Creep
Proceedings Papers

Multiscale Stress-Diffusion Analysis of Notch-Tip Hydrogen Profiles in Zircaloy-4

Said El Chamaa, Mitesh Patel, Mark R. Wenman, Catrin M. Davies
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A013, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84555
https://doi.org/10.1115/PVP2018-84555
View Paper titled, Multiscale Stress-Diffusion Analysis of Notch-Tip Hydrogen Profiles in Zircaloy-4
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Topics: Diffusion (Physics), Hydrogen, Stress, Anisotropy, Stress analysis (Engineering), Crystals, Dipoles (Electromagnetism), Finite element analysis, Modeling, Nuclear industry
Proceedings Papers

Acceptance Criteria for Probabilistic Fracture Protection Evaluations of CANDU Zr-Nb Pressure Tubes

Douglas Scarth, Leonid Gutkin
Proc. ASME. PVP2018, Volume 1B: Codes and Standards, V01BT01A004, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85086
https://doi.org/10.1115/PVP2018-85086
View Paper titled, Acceptance Criteria for Probabilistic Fracture Protection Evaluations of CANDU Zr-Nb Pressure Tubes
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Topics: Acceptance criteria, Fracture (Materials), Fracture (Process), Pressure, Zirconium, Fracture toughness, Rupture, Probability, Stability, Design
Proceedings Papers

Pilot Study for Uncertainty Analysis in Probabilistic Fitness-for-Service Evaluations of Zr-2.5Nb Pressure Tubes: Identification of Influential Variables

Christopher Manu, Suresh Datla, Leonid Gutkin
Proc. ASME. PVP2018, Volume 1B: Codes and Standards, V01BT01A076, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85010
https://doi.org/10.1115/PVP2018-85010
View Paper titled, Pilot Study for Uncertainty Analysis in Probabilistic Fitness-for-Service Evaluations of Zr-2.5Nb Pressure Tubes: Identification of Influential Variables
Open the PDF for Pilot Study for Uncertainty Analysis in Probabilistic Fitness-for-Service Evaluations of Zr-2.5Nb Pressure Tubes: Identification of Influential Variables in another window
Topics: Fitness-for-service, Pressure, Uncertainty analysis, Zirconium, Leak-before-break, Uncertainty, Fracture (Materials), Sensitivity analysis, Computer software, Computers
Proceedings Papers

Pilot Study for Uncertainty Analysis in Probabilistic Fitness-for-Service Evaluations of Zr-2.5Nb Pressure Tubes: Uncertainty Characterization

Leonid Gutkin, Suresh Datla, Christopher Manu
Proc. ASME. PVP2018, Volume 1B: Codes and Standards, V01BT01A077, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-85011
https://doi.org/10.1115/PVP2018-85011
View Paper titled, Pilot Study for Uncertainty Analysis in Probabilistic Fitness-for-Service Evaluations of Zr-2.5Nb Pressure Tubes: Uncertainty Characterization
Open the PDF for Pilot Study for Uncertainty Analysis in Probabilistic Fitness-for-Service Evaluations of Zr-2.5Nb Pressure Tubes: Uncertainty Characterization in another window
Topics: Fitness-for-service, Pressure, Uncertainty, Uncertainty analysis, Zirconium, Computer software, Leak-before-break, Design, Fracture (Materials), Nuclear power stations
Proceedings Papers

Expanding Plug Wedge Test for Evaluating Hoop Tensile Properties of Fuel Cladding

Hao Jiang, Jy-An John Wang
Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A027, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65185
https://doi.org/10.1115/PVP2017-65185
View Paper titled, Expanding Plug Wedge Test for Evaluating Hoop Tensile Properties of Fuel Cladding
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Topics: Cladding systems (Building), Fuels, Tensile strength, Wedges, Design, Finite element analysis, Stress, Deformation, Friction, Gages
Proceedings Papers

A Numerical Study on Fracture Toughness of CANDU Pressure Tube

Elisabeth Keim, Tomas Nicak, Bogdan Wasiluk
Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A076, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-65757
https://doi.org/10.1115/PVP2017-65757
View Paper titled, A Numerical Study on Fracture Toughness of CANDU Pressure Tube
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Topics: Fracture toughness, Pressure, Fracture (Materials), Hydrogen, Stress, Zirconium, Alloys, Brittleness, Deformation, Displacement