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Proceedings Papers

The Development of a New Method to Compare the Fatigue Crack Growth Rates of Austenitic Stainless Steel Operating in a PWR Primary Coolant Subjected to Plant Realistic Temperature Loading

Benjamin Howe, Fabio Scenini, Grace Burke, Jonathan Mann
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A011, July 17–22, 2022
Paper No: PVP2022-84208
DOI: https://doi.org/10.1115/PVP2022-84208
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Topics: Coolants, Fatigue, Fatigue cracks, Pressurized water reactors, Stainless steel, Temperature
Proceedings Papers

Development of a Robust Procedure for the Evaluation of Striation Spacings in Low Cycle Fatigue Specimens Tested in a Simulated PWR Environment

Benjamin Howe, Jonathan Mann, Zaiqing Que, Caitlin Huotilainen, Fabio Scenini, Grace Burke
Proc. ASME. PVP2022, Volume 4A: Materials and Fabrication, V04AT06A035, July 17–22, 2022
Paper No: PVP2022-84027
DOI: https://doi.org/10.1115/PVP2022-84027
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Topics: Fatigue, Low cycle fatigue, Pressurized water reactors, Stainless steel
Proceedings Papers

Thermomechanical Fatigue Initiation in Nuclear Grades of Austenitic Stainless Steel Using Plant Realistic Loading

Glenn Trownson, Peter Gill, William Brayshaw, James Watson, Jonathan Mann
Proc. ASME. PVP2022, Volume 4A: Materials and Fabrication, V04AT06A023, July 17–22, 2022
Paper No: PVP2022-84760
DOI: https://doi.org/10.1115/PVP2022-84760
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Topics: ASME Standards, Calibration, Cracking (Materials), Cycles, Eddies (Fluid dynamics), Eddy currents (Electricity), Electrical discharge machining, Fatigue, Fatigue cracks, Fatigue life
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

Thermo-Mechanical Fatigue Crack Growth Testing

Jennifer Borg, Norman Platts, Peter Gill, Jonathan Mann, Chris Currie
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A018, August 3, 2020
Paper No: PVP2020-21424
DOI: https://doi.org/10.1115/PVP2020-21424
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Topics: Design, Fatigue cracks, Testing, Thermomechanics
Proceedings Papers

INCEFA-PLUS Project: Lessons Learned From the Project Data and Impact on Existing Fatigue Assessment Procedures

Sam Cuvilliez, Alec McLennan, Kevin Mottershead, Jonathan Mann, Matthias Bruchhausen
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A010, August 3, 2020
Paper No: PVP2020-21106
DOI: https://doi.org/10.1115/PVP2020-21106
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Topics: Fatigue, Finishes, Pressurized water reactors
Proceedings Papers

Further Development of Fatigue Crack Growth Expressions for Austenitic Stainless Steels in PWR Water and Additional Validation of the WTKR Method

Jonathan Mann, Chris Currie, Jennifer Borg, Norman Platts
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A021, August 3, 2020
Paper No: PVP2020-21585
DOI: https://doi.org/10.1115/PVP2020-21585
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Topics: Fatigue cracks, Pressurized water reactors, Stainless steel, Water
Proceedings Papers

Investigation Into Crack Closure Effects for Fatigue Crack Growth Under Negative R Conditions

Ben Pellereau, Chris Currie, Jonathan Mann, Ben Coult
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A022, August 3, 2020
Paper No: PVP2020-21627
DOI: https://doi.org/10.1115/PVP2020-21627
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Topics: Fatigue cracks, Fracture (Materials), Stress, Testing, Corners (Structural elements), Pressurized water reactors, Stainless steel, Water
Proceedings Papers

Proposal for a Total Fatigue Life Assessment Methodology That Predicts Fatigue Life From Defect Initiation to Through Wall Leak

Joseph Batten, Chris Currie, Jonathan Mann, Andrew Morley
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A109, August 3, 2020
Paper No: PVP2020-21706
DOI: https://doi.org/10.1115/PVP2020-21706
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Topics: Fatigue life, Leakage, Fatigue, Design, Fatigue cracks, Modeling, Pipes, Reliability
Journal Articles

Incefa-Plus Project: Lessons Learned From the Project Data and Impact on Existing Fatigue Assessment Procedures

Sam Cuvilliez, Alec McLennan, Kevin Mottershead, Jonathan Mann, Matthias Bruchhausen
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. December 2020, 142(6): 061507.
Paper No: PVT-20-1046
DOI: https://doi.org/10.1115/1.4047273
Published Online: August 5, 2020
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Topics: Design, Fatigue, Finishes, Polishing, Pressurized water reactors, Surface roughness, Electric arc furnaces, Databases
Proceedings Papers

Extension of Weighted Stress Intensity Factor Rate (WKR) Method to Characterisation of Varying Temperature and Loading Rate in Plant Realistic Waveform Fatigue Crack Growth Calculations

Chris Currie, Jonathan Mann, Peter Gill, Daniel Leary, Keith Wright
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A021, July 14–19, 2019
Paper No: PVP2019-93855
DOI: https://doi.org/10.1115/PVP2019-93855
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Topics: Fatigue cracks, Pressurized water reactors, Stainless steel, Stress, Temperature
Proceedings Papers

A Critical Review of Recent Fatigue Crack Growth Data in Relation to ASME Code Case N-809

Jonathan Mann, Chris Currie, David Tice, Norman Platts
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A017, July 14–19, 2019
Paper No: PVP2019-93563
DOI: https://doi.org/10.1115/PVP2019-93563
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Topics: ASME Standards, Fatigue cracks, Stainless steel
Proceedings Papers

Scaling of SN Curves for Varying ‘Initiation’ Crack Definitions From Striation Counted Environmental Fatigue Specimens: A 250 Micron Austenitic Stainless Steel SN Curve and Associated Fen Factors

Joseph Batten, Chris Currie, Jonathan Mann, Keith Wright
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A019, July 14–19, 2019
Paper No: PVP2019-93847
DOI: https://doi.org/10.1115/PVP2019-93847
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Topics: Fatigue, Fracture (Materials), Stainless steel, Design, Pressurized water reactors, Strain gradient, Stress, Carbon dioxide, Cooling, Cycles
Proceedings Papers

Fatigue With Hold Times Simulating NPP Normal Operation Results for Stainless Steel Grades 304L and 347

H. Ertugrul Karabaki, Jussi Solin, Marius Twite, Matthias Herbst, Jonathan Mann, Grace Burke
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A031, July 16–20, 2017
Paper No: PVP2017-66097
DOI: https://doi.org/10.1115/PVP2017-66097
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Topics: Fatigue, Nuclear power stations, Stainless steel, Fatigue life, Alloys, Steady state, Temperature, Transients (Dynamics), Coolants, Design
Proceedings Papers

Fatigue Performance of Stainless Steels (304L, 347) in Experiments Simulating NPP Operation With Hold Times

Ertugrul Karabaki, Marius Twite, Jussi Solin, Matthias Herbst, Jonathan Mann, M. Grace Burke
Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A014, July 17–21, 2016
Paper No: PVP2016-63115
DOI: https://doi.org/10.1115/PVP2016-63115
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Topics: Fatigue, Nuclear power stations, Stainless steel, Fatigue life, Temperature, ASME Standards, Design, Fatigue design, Hardening, Life extension
Proceedings Papers

Analysis of Fatigue Crack Growth in Standard Endurance Test Specimens in Support of Total Life Approaches to Fatigue Assessment

Jonathan Mann, Marius Twite, M. Grace Burke
Proc. ASME. PVP2016, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 24th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); Electric Power Research Institute (EPRI) Creep Fatigue Workshop, V005T09A026, July 17–21, 2016
Paper No: PVP2016-63238
DOI: https://doi.org/10.1115/PVP2016-63238
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Topics: Fatigue, Fatigue analysis, Fracture (Materials), Stress, Design, Fatigue cracks, Fatigue design, Stainless steel, Boilers, Cycles