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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
Paper No: PVP2021-62822
DOI: https://doi.org/10.1115/PVP2021-62822
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Topics: Cracking (Materials), Fracture (Process), Pressure, Zirconium
Proceedings Papers

Finite Element Verification of Engineering Equations for Prediction of Structural Strength of Annulus Spacers in CANDU Nuclear Reactors

Preeti Doddihal, Dennis Kawa, Douglas Scarth, Yu Chen
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A013, July 14–19, 2019
Paper No: PVP2019-93671
DOI: https://doi.org/10.1115/PVP2019-93671
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Topics: Annulus, Finite element analysis, Nuclear reactors, Fracture (Materials), Fracture (Process), Strips, Fuels, Irradiation (Radiation exposure), Pressure, Stress
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
Paper No: PVP2019-93943
DOI: https://doi.org/10.1115/PVP2019-93943
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Topics: Fitness-for-service, Annulus, Pressure, Fuels, Cooling, Design, Fatigue life, Leakage, Load bearing capacity, Materials degradation
Proceedings Papers

Development and Application of Oxide Wedging Crack Growth Model for CANDU Zr-2.5Nb Pressure Tubes

Douglas A. Scarth, Preeti Doddihal, Monique Ip
Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A035, July 17–21, 2016
Paper No: PVP2016-63987
DOI: https://doi.org/10.1115/PVP2016-63987
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Topics: Fracture (Materials), Pressure, Zirconium, Manufacturing, Nuclear reactor coolants, Corrosion, Fitness-for-service, Ultrasonic testing
Proceedings Papers

Feasibility of Developing a Risk-Informed Procedure to Define Pressure-Temperature Limits for Fracture Protection of Zr-Nb Pressure Tubes Under Heat-Up and Cool-Down Conditions

Steven X. Xu, Douglas A. Scarth, Preeti Doddihal, Paula Mosbrucker
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A064, July 19–23, 2015
Paper No: PVP2015-46010
DOI: https://doi.org/10.1115/PVP2015-46010
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Topics: Fracture (Materials), Heat, Pressure, Risk, Temperature, Zirconium, Fracture toughness, Safety, Fracture mechanics, Hydrogen
Proceedings Papers

Fracture Protection of CANDU Zr-2.5Nb Pressure Tubes With High Hydrogen Equivalent Concentration

Preeti Doddihal, Douglas Scarth, Paula Mosbrucker, Steven Xu
Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A032, July 19–23, 2015
Paper No: PVP2015-46000
DOI: https://doi.org/10.1115/PVP2015-46000
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Topics: Fracture (Materials), Hydrogen, Pressure, Zirconium, Temperature, Fracture toughness, Heat, Alloys, Coolants, Corrosion
Proceedings Papers

Simulation of Notch Tip Stress/Strain Response of Zirconium Pressure Tube Material

Wolf Reinhardt, Preeti Doddihal, Sampath Ranganath
Proc. ASME. PVP2012, Volume 2: Computer Technology and Bolted Joints, 111-119, July 15–19, 2012
Paper No: PVP2012-78659
DOI: https://doi.org/10.1115/PVP2012-78659
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Topics: Pressure, Simulation, Stress, Zirconium, Fatigue, Fatigue testing, Finite element analysis, Coolants, Corrosion, Cycles