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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
Paper No: PVP2022-85158
DOI: 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
Click here to open pdf in another window PDF for An Extended Process-Zone Modeling Framework for Overload Crack Initiation in Zr-2.5Nb Pressure Tubes
Topics: Fracture (Materials), Modeling, Pressure, Stress, Zirconium
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
Paper No: PVP2019-94064
DOI: 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
Click here to open pdf in another window PDF for A Framework for Estimating Burst Test Fracture Toughness for Zr-2.5Nb Pressure Tubes Using Data From Small Specimen Tests
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
Paper No: PVP2018-85116
DOI: 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
Click here to open pdf in another window PDF for Cycle-Wise Process-Zone Model for Prediction of Delayed Hydride Cracking Initiation Under Flaw-Tip Hydride Ratcheting Conditions
Topics: Cracking (Materials), Cycles, Fracture (Process), Heat, Fuels, Pressure, Stress, Bearings, Corrosion, Creep
Proceedings Papers

Probabilistic Assessment of CANDU Reactor Core for Risk of Pressure Tube Failure due to Presence of In-Service Flaws

David Cho, Danny H. B. Mok, Steven X. Xu, Douglas A. Scarth
Proc. ASME. PVP2017, Volume 1B: Codes and Standards, V01BT01A008, July 16–20, 2017
Paper No: PVP2017-66101
DOI: https://doi.org/10.1115/PVP2017-66101
View Paper titled, Probabilistic Assessment of CANDU Reactor Core for Risk of Pressure Tube Failure due to Presence of In-Service Flaws
Click here to open pdf in another window PDF for Probabilistic Assessment of CANDU Reactor Core for Risk of Pressure Tube Failure due to Presence of In-Service Flaws
Topics: Failure, Pressure, Risk, Fracture (Materials), Bearings, Fuels, Zirconium, Corrosion, Erosion, In-service inspection
Proceedings Papers

Development of Evaluation Procedures for Crack Initiation From In-Service Flaws in CANDU Zr-2.5Nb Pressure Tubes With Hydrogen

David Cho, Steven X. Xu, Douglas A. Scarth, Gordon K. Shek
Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A053, July 17–21, 2016
Paper No: PVP2016-64009
DOI: https://doi.org/10.1115/PVP2016-64009
View Paper titled, Development of Evaluation Procedures for Crack Initiation From In-Service Flaws in CANDU Zr-2.5Nb Pressure Tubes With Hydrogen
Click here to open pdf in another window PDF for Development of Evaluation Procedures for Crack Initiation From In-Service Flaws in CANDU Zr-2.5Nb Pressure Tubes With Hydrogen
Topics: Fracture (Materials), Hydrogen, Pressure, Zirconium, Corrosion, Fuels, Isotopes, Acceptance criteria, Bearings, Coolants