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Proceedings Papers

Slope Out Welding Development for Thick Section Electron Beam Welding for Pressure Vessel Applications

Thomas Dutilleul, Robert Widdison, John Crossley, William Kyffin, Marc Albert, David Gandy
Proc. ASME. PVP2022, Volume 4A: Materials and Fabrication, V04AT06A014, July 17–22, 2022
Paper No: PVP2022-85478
DOI: https://doi.org/10.1115/PVP2022-85478
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Topics: Electron beam welding, Pressure vessels, Welding, Welded joints, Exploding wires, Flanges, Joining, Manufacturing, Shells, Steady state
Journal Articles

A Study of the Reproducibility and Diversity of the Supply Chain in Manufacturing Hot Isostatically Pressed Type 316L Stainless Steel Components for the Civil Nuclear Sector

William Kyffin, David Gandy, Barry Burdett
Journal: Journal of Nuclear Engineering and Radiation Science
Article Type: Research-Article
ASME J of Nuclear Rad Sci. April 2020, 6(2): 021116.
Paper No: NERS-18-1112
DOI: https://doi.org/10.1115/1.4044752
Published Online: January 29, 2020
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Topics: ASTM International, Fracture toughness, Hot pressing, Manufacturing, Materials properties, Oxygen, Stainless steel, Supply chains, Temperature, Tensile strength
Proceedings Papers

A Study of the Material Properties and Performance of Hot Isostatically Pressed (HIP) Type 316L Stainless Steel Powders and HIP Processing Available From Today’s International Supply Chain

William Kyffin, David Gandy, Barry Burdett
Proc. ASME. PVP2018, Volume 6A: Materials and Fabrication, V06AT06A011, July 15–20, 2018
Paper No: PVP2018-84072
DOI: https://doi.org/10.1115/PVP2018-84072
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Topics: Materials properties, Stainless steel, Supply chains, Oxygen, Fracture toughness, Manufacturing, ASME Standards, ASTM International, Collaboration, Defense industry
Proceedings Papers

A Systematic Study of the Material Performance of Hot Isostatically Pressed Type 316L Stainless Steel Powder for the Civil Nuclear Sector

William Kyffin, David Gandy, Barry Burdett
Proc. ASME. ICONE26, Volume 2: Plant Systems, Structures, Components, and Materials; Risk Assessments and Management, V002T03A017, July 22–26, 2018
Paper No: ICONE26-81438
DOI: https://doi.org/10.1115/ICONE26-81438
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Topics: Stainless steel, Manufacturing, Materials properties, Oxygen, ASTM International, Collaboration, Cycles, Defense industry, Electricity (Physics), Hot pressing
Proceedings Papers

Assessment of Powder Metallurgy-Hot Isostatic Pressed Nozzle-to-Safe End Transition Joints

Ben Sutton, David Gandy
Proc. ASME. PVP2017, Volume 6A: Materials and Fabrication, V06AT06A014, July 16–20, 2017
Paper No: PVP2017-65776
DOI: https://doi.org/10.1115/PVP2017-65776
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Topics: Metallurgy, Nozzles, Alloys, Manufacturing, Metals, Alloy steel, Heat treating (Metalworking), Welded joints, Corrosion, Diffusion (Physics)
Proceedings Papers

Residual Stresses in Thick-Section Electron Beam Welds in RPV Steels

Anastasia N. Vasileiou, Mike C. Smith, David Gandy, Arben Ferhati, Remi Romac, Sanjooram Paddea
Proc. ASME. PVP2016, Volume 6B: Materials and Fabrication, V06BT06A079, July 17–21, 2016
Paper No: PVP2016-63940
DOI: https://doi.org/10.1115/PVP2016-63940
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Topics: Electron beam welding, Residual stresses, Steel, Welded joints, Finite element analysis, Materials characterization, Modeling, Pressure, Stress, Welding
Proceedings Papers

PM-HIP Research for Pressure Retaining Applications Within the Electric Power Industry

David Gandy, John Siefert, Lou Lherbier, David Novotnak
Proc. ASME. SMR2014, ASME 2014 Small Modular Reactors Symposium, V001T06A001, April 15–17, 2014
Paper No: SMR2014-3305
DOI: https://doi.org/10.1115/SMR2014-3305
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Topics: Electricity (Physics), Pressure, Alloys, Manufacturing, ASME Boiler and Pressure Vessel Code, Casting, Creep, Extruding, Forging, Hardening
Proceedings Papers

Corrosion-Fatigue Prediction Methodology for 12% Cr Steam Turbine Blades

Ronald Salzman, David Gandy, Neville Rieger, Bernd Schönbauer, Stefanie Tschegg, Shengqi Zhou, Alan Turnbull
Proc. ASME. POWER2013, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance, V001T04A002, July 29–August 1, 2013
Paper No: POWER2013-98026
DOI: https://doi.org/10.1115/POWER2013-98026
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Topics: Blades, Corrosion, Fatigue, Steam turbines, Stress, Cycles, Failure, Fracture (Materials), Testing, Damage
Journal Articles

Systematic Evaluation of Creep-Fatigue Life Prediction Methods for Various Alloys

Yukio Takahashi, Bilal Dogan, David Gandy
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. December 2013, 135(6): 061204.
Paper No: PVT-11-1141
DOI: https://doi.org/10.1115/1.4024436
Published Online: October 7, 2013
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Topics: Creep, Damage, Ductility, Fatigue, Failure, Stress
Proceedings Papers

Creep-Fatigue Behavior of Grade 92 Steel and its Predictability

Yukio Takahashi, David Gandy
Proc. ASME. PVP2011, Volume 6: Materials and Fabrication, Parts A and B, 227-234, July 17–21, 2011
Paper No: PVP2011-57976
DOI: https://doi.org/10.1115/PVP2011-57976
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Topics: Creep, Fatigue, Steel, Base metals, Piping systems, Welded joints, Boilers, Damage, Databases, Ductility
Proceedings Papers

Systematic Evaluation of Creep-Fatigue Life Prediction Methods for Various Alloys

Yukio Takahashi, Bilal Dogan, David Gandy
Proc. ASME. PVP2009, Volume 6: Materials and Fabrication, Parts A and B, 1461-1470, July 26–30, 2009
Paper No: PVP2009-77990
DOI: https://doi.org/10.1115/PVP2009-77990
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Topics: Alloys, Creep, Fatigue, Ductility, Damage, Failure, Coolants, Electromagnetic scattering, Energy generation, Fossil fuels
Proceedings Papers

Laser Weld Repair of Service Exposed IN738 and GTD111 Buckets

Greg Frederick, David Gandy, J. T. Stover
Proc. ASME. GT2002, Volume 1: Turbo Expo 2002, 885-899, June 3–6, 2002
Paper No: GT2002-30160
DOI: https://doi.org/10.1115/GT2002-30160
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Topics: Lasers, Maintenance, Airfoils, Stress, Welding, Fillers (Materials), Gas tungsten arc welding, Alloys, Blades, Damage