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John A. Francis
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Proceedings Papers

Evolution of Residual Stress in Tensile Armour Wires of Flexible Pipes During Pipe Manufacture

Upul S. Fernando, Michelle Davidson, Kun Yan, Matthew J. Roy, Thilo Pirling, Philip J. Withers, John A. Francis
Proc. ASME. OMAE2017, Volume 5A: Pipelines, Risers, and Subsea Systems, V05AT04A017, June 25–30, 2017
Paper No: OMAE2017-61490
DOI: https://doi.org/10.1115/OMAE2017-61490
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Topics: Armor, Pipes, Stress, Wire, Manufacturing, Deformation, Finite element model, Shapes, Boundary-value problems, Design
Proceedings Papers

Calibrating Phase Transformation and Grain Growth Models and Measuring Phase Dependent Material Properties for Use in FE Simulations of Welds

Nicholas O’Meara, Simon D. Smith, John A. Francis
Proc. ASME. PVP2015, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Competition and 23rd Annual Student Paper Competition; ASME NDE Division, V005T09A016, July 19–23, 2015
Paper No: PVP2015-45936
DOI: https://doi.org/10.1115/PVP2015-45936
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Topics: Engineering simulation, Materials properties, Phase transitions, Simulation, Welded joints, Cycles, Grain size, Computers, Cooling, Heat
Proceedings Papers

Measurement of Residual Stress Shakedown in Pressure/Tensile Armour Wires of Flexible Pipes by Neutron Diffraction

Upul S. Fernando, Michelle Davidson, Christopher Simpson, Thilo Pirling, Kun Yan, Mark D. Callaghan, Matthew Roy, John A. Francis, Philip J. Withers
Proc. ASME. OMAE2015, Volume 5A: Pipeline and Riser Technology, V05AT04A035, May 31–June 5, 2015
Paper No: OMAE2015-41328
DOI: https://doi.org/10.1115/OMAE2015-41328
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Topics: Armor, Neutron diffraction, Pipes, Pressure, Stress, Wire, Durability, Hoop stress, Metals, Pipeline risers
Proceedings Papers

Development of Simplified Empirical Phase Transformation Model for Use in Welding Residual Stress Simulations

Nicholas O’Meara, John A. Francis, Simon D. Smith, Philip J. Withers
Proc. ASME. PVP2014, Volume 6B: Materials and Fabrication, V06BT06A078, July 20–24, 2014
Paper No: PVP2014-29100
DOI: https://doi.org/10.1115/PVP2014-29100
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Topics: Phase transitions, Simulation, Stress, Welding, Thermal expansion, Welded joints, Pressure vessels, Residual stresses, Steel, Thermomechanics
Proceedings Papers

On the Thermo-Mechanical Behaviour of SA508 Grade 4 Ferritic Steel

Hamidreza Abdolvand, John A. Francis, Feridoon Azough, Joanna N. Walsh, Christopher M. Gill, Philip J. Withers
Proc. ASME. PVP2014, Volume 6B: Materials and Fabrication, V06BT06A074, July 20–24, 2014
Paper No: PVP2014-28972
DOI: https://doi.org/10.1115/PVP2014-28972
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Topics: Steel, Thermomechanics, Grain size, Modeling, Phase transitions, Stress, Cooling, Welding, Cycles, Finite element analysis
Proceedings Papers

The Influence of Geometry on Residual Stress Around Repair Welds

Joanna N. Walsh, Alison F. Mark, Hamid Abdolvand, John A. Francis, Ben Pellereau, Steve Bate, M. Hofmann, P. J. Withers
Proc. ASME. PVP2013, Volume 6B: Materials and Fabrication, V06BT06A076, July 14–18, 2013
Paper No: PVP2013-97516
DOI: https://doi.org/10.1115/PVP2013-97516
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Topics: Geometry, Maintenance, Stress, Welded joints, Design, Failure, Heat treating (Metalworking), Neutron diffraction, Nuclear power stations, Power stations