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Proceedings Papers

Weld Residual Stress Modeling of and Fracture Assessment of Layered Pressure Vessels

F. W. Brust
Proc. ASME. PVP2022, Volume 4B: Materials and Fabrication, V04BT06A059, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-85958
https://doi.org/10.1115/PVP2022-85958
View Paper titled, Weld Residual Stress Modeling of and Fracture Assessment of Layered Pressure Vessels
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Topics: Fracture (Materials), Modeling, Pressure vessels, Stress, Shells, Fitness-for-service, NASA, Vessels, Construction, Diluents
Proceedings Papers

Strain Based Damage Model Predictions of Ductile Crack Growth in Multiple Fracture Specimen Geometries

S. Kalyanam, L. T. Hill, G. Wilkowski, Y. Hioe, F. W. Brust
Proc. ASME. PVP2021, Volume 4: Materials and Fabrication, V004T06A001, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-61172
https://doi.org/10.1115/PVP2021-61172
View Paper titled, Strain Based Damage Model Predictions of Ductile Crack Growth in Multiple Fracture Specimen Geometries
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Topics: Damage, Ductile fracture, Fracture (Materials), Modeling, Pipes, Stress, Tension, Doors, Electric potential, Failure
Proceedings Papers

Investigation of Circumferential Internal Surface-Cracked Pipes and Elbows Tested at Conditions Similar to PWR and an “Apparent Net-Section-Collapse” Prediction Methodology

G. Wilkowski, S. Kalyanam, S. Burger, S. Gilbert, S. Pothana, Y. Hioe, F. W. Brust, M. Myers, P. Krishnaswamy, F. Orth, G. Hattery
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A057, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21532
https://doi.org/10.1115/PVP2020-21532
View Paper titled, Investigation of Circumferential Internal Surface-Cracked Pipes and Elbows Tested at Conditions Similar to PWR and an “Apparent Net-Section-Collapse” Prediction Methodology
Open the PDF for Investigation of Circumferential Internal Surface-Cracked Pipes and Elbows Tested at Conditions Similar to PWR and an “Apparent Net-Section-Collapse” Prediction Methodology in another window
Topics: Collapse, Pipes, Pressurized water reactors, Stress, Fracture (Materials), Leakage, Flow (Dynamics), Surface cracks, Temperature, Bending (Stress)
Proceedings Papers

A Novel Approach to Account for Weld Residual Stresses in Pressure Vessel Flaw Assessments

F. W. Brust, L. Hill, G. Wilkowski, Y. Hioe, K. Bagnoli
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A055, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-94022
https://doi.org/10.1115/PVP2019-94022
View Paper titled, A Novel Approach to Account for Weld Residual Stresses in Pressure Vessel Flaw Assessments
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Topics: Finite element analysis, Pressure vessels, Residual stresses, Stress, Fracture (Materials), Vessels, Inspection, Pressure, Approximation, Finite element methods
Proceedings Papers

Constraint Effects of Surface Crack Depth on Toughness: Experimental and Numerical Assessments

G. Wilkowski, S. Kalyanam, Y. Hioe, F. W. Brust, S. Pothana, M. Uddin, F. Orth
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A014, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93713
https://doi.org/10.1115/PVP2019-93713
View Paper titled, Constraint Effects of Surface Crack Depth on Toughness: Experimental and Numerical Assessments
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Topics: Fracture toughness, Surface cracks, Fracture (Materials), Stress, Pipes, Finite element analysis, Engineering standards, Errors, Failure, Failure analysis
Proceedings Papers

Direct-Current Electric Potential (D-C EP) Technique Validation Through an Experimental and Computational Study on Pipe With Surface Crack

Y. Hioe, S. Kalyanam, G. Wilkowski, F. W. Brust, E. Punch
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A017, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93771
https://doi.org/10.1115/PVP2019-93771
View Paper titled, Direct-Current Electric Potential (D-C EP) Technique Validation Through an Experimental and Computational Study on Pipe With Surface Crack
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Topics: Electric potential, Pipes, Surface cracks, Fracture (Materials), Finite element analysis, Probes, Calibration, Corners (Structural elements), Electric current, Electrical discharge machining
Proceedings Papers

Role of Constraint in Specimen Geometries When Evaluating Fracture Toughness/Material Fracture Resistance for a Surface-Flawed Elbow

S. Kalyanam, G. Wilkowski, F. W. Brust, Y. Hioe, E. Punch
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A065, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93732
https://doi.org/10.1115/PVP2019-93732
View Paper titled, Role of Constraint in Specimen Geometries When Evaluating Fracture Toughness/Material Fracture Resistance for a Surface-Flawed Elbow
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Topics: Fracture (Materials), Fracture toughness, Surface cracks, Pipes, Finite element analysis, Tension, Displacement, Fatigue, Manufacturing, Pressure
Proceedings Papers

Probabilistic Risk Assessment of Aging Layered Pressure Vessels

D. S. Riha, M. L. Kirby, J. W. Cardinal, L. C. Domyancic, J. M. McFarland, F. W. Brust
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A046, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93720
https://doi.org/10.1115/PVP2019-93720
View Paper titled, Probabilistic Risk Assessment of Aging Layered Pressure Vessels
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Topics: Fitness-for-service, Pressure vessels, Probabilistic risk assessment, Risk assessment, Shells, Stress
Proceedings Papers

Weld Residual Stress and Fracture Behavior of NASA Layered Pressure Vessels

F. W. Brust, R. H. Dodds, J. Hobbs, B. Stoltz, D. Wells
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A063, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-94021
https://doi.org/10.1115/PVP2019-94021
View Paper titled, Weld Residual Stress and Fracture Behavior of NASA Layered Pressure Vessels
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Topics: Fracture (Materials), NASA, Pressure vessels, Stress, Shells, Vessels, Diluents, Construction, Fitness-for-service, Gases
Proceedings Papers

Modeling of Pipe System Behavior With Circumferential Surface Crack for Secondary Stress Margin Assessment

M. F. Uddin, F. W. Brust, G. M. Wilkowski, S. Kalyanam, J. Martin
Proc. ASME. PVP2017, Volume 6B: Materials and Fabrication, V06BT06A017, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66037
https://doi.org/10.1115/PVP2017-66037
View Paper titled, Modeling of Pipe System Behavior With Circumferential Surface Crack for Secondary Stress Margin Assessment
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Topics: Modeling, Pipes, Stress, Surface cracks, Fracture (Materials), Design, Plasticity, Deformation, Displacement, Finite element analysis
Proceedings Papers

Flaw Evaluation Procedure for Cast Austenitic Stainless Steel Materials Using Thermal Aging Models

M. F. Uddin, G. M. Wilkowski, S. Pothana, F. W. Brust
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A059, July 16–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: PVP2017-66111
https://doi.org/10.1115/PVP2017-66111
View Paper titled, Flaw Evaluation Procedure for Cast Austenitic Stainless Steel Materials Using Thermal Aging Models
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Topics: Stainless steel, Fracture toughness, Pipes, Fracture (Materials), Fracture (Process), Operating temperature, Pressurized water reactors, ASTM International, Curve fitting, Databases
Proceedings Papers

Validation of Axial Crack Stability Assessment Methods in xLPR Version 2.0 Code

S. Kalyanam, F. W. Brust, G. Wilkowski, D. J. Shim, D. Rudland
Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A028, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63830
https://doi.org/10.1115/PVP2016-63830
View Paper titled, Validation of Axial Crack Stability Assessment Methods in xLPR Version 2.0 Code
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Topics: Fracture (Materials), Stability, Stress, Pipes, Fracture mechanics, American Petroleum Institute, Collapse, Dimensions, Ductile fracture, Fitness-for-service
Proceedings Papers

Critical Flaw Evaluation of Cast Austenitic Stainless Steel: Deterministic and Probabilistic Fracture Analyses

M. F. Uddin, R. E. Kurth, C. Sallaberry, G. M. Wilkowski, F. W. Brust, D. Rudland
Proc. ASME. PVP2016, Volume 6A: Materials and Fabrication, V06AT06A076, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63850
https://doi.org/10.1115/PVP2016-63850
View Paper titled, Critical Flaw Evaluation of Cast Austenitic Stainless Steel: Deterministic and Probabilistic Fracture Analyses
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Topics: Fracture (Materials), Fracture (Process), Stainless steel, Fracture toughness, Ferrites (Magnetic materials), ASME Boiler and Pressure Vessel Code, Embrittlement, Failure, Fracture mechanics, Grain size
Proceedings Papers

Evaluation of the Lowest Temperature for Ductile Crack Initiation in an Irradiated RPV

G. Wilkowski, F. W. Brust, M. Uddin, S. Kalyanam, V. Lacroix
Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A056, July 17–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: PVP2016-63593
https://doi.org/10.1115/PVP2016-63593
View Paper titled, Evaluation of the Lowest Temperature for Ductile Crack Initiation in an Irradiated RPV
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Topics: Ductile fracture, Temperature, Fracture toughness, Pipes, Fracture (Materials), Irradiation (Radiation exposure), Stress, Failure, Fracture (Process), Gas industry
Proceedings Papers

Weld Residual Stress (WRS) Modeling of Layered Pressure Vessels (LPV) and Fracture Assessment

F. W. Brust, E. Punch, E. Kurth
Proc. ASME. PVP2015, Volume 6B: Materials and Fabrication, V06BT06A074, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45784
https://doi.org/10.1115/PVP2015-45784
View Paper titled, Weld Residual Stress (WRS) Modeling of Layered Pressure Vessels (LPV) and Fracture Assessment
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Topics: Fracture (Materials), Fracture (Process), Modeling, Pressure vessels, Stress, Shells, Diluents, American Petroleum Institute, Construction, Finite element analysis
Proceedings Papers

Part Repair and Start/Stop Effects and Three Dimensional Residual Stress in Dissimilar Metal Welds

F. W. Brust, E. Punch, E. Kurth
Proc. ASME. PVP2015, Volume 6B: Materials and Fabrication, V06BT06A075, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45785
https://doi.org/10.1115/PVP2015-45785
View Paper titled, Part Repair and Start/Stop Effects and Three Dimensional Residual Stress in Dissimilar Metal Welds
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Topics: Maintenance, Metals, Stress, Welded joints, Dimensional analysis, Manufacturing, Alloys, Carbon steel, Failure, Fillers (Materials)
Proceedings Papers

Comparison of Different Thermal Aging Models to Assess Fully Aged Toughness in Cast Austenitic Stainless Steels

M. F. Uddin, G. M. Wilkowski, R. E. Kurth, F. W. Brust, D.-J. Shim, D. Rudland
Proc. ASME. PVP2015, Volume 1B: Codes and Standards, V01BT01A012, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45790
https://doi.org/10.1115/PVP2015-45790
View Paper titled, Comparison of Different Thermal Aging Models to Assess Fully Aged Toughness in Cast Austenitic Stainless Steels
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Topics: Fracture toughness, Stainless steel, Embrittlement, Pipes, Design, Fittings, Fracture mechanics, Mechanical properties, Nuclear power stations, Operating temperature
Proceedings Papers

Prediction of Dynamic Break-Opening Area Under Beyond Design Basis Seismic Loading

M. Uddin, E. Kurth, F. W. Brust, G. M. Wilkowski, A. A. Betervide, O. Mazzantini, R. A. Fernandez
Proc. ASME. PVP2015, Volume 6A: Materials and Fabrication, V06AT06A078, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45156
https://doi.org/10.1115/PVP2015-45156
View Paper titled, Prediction of Dynamic Break-Opening Area Under Beyond Design Basis Seismic Loading
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Topics: Design, Fracture (Materials), Pipes, Rotation, Finite element analysis, Displacement, Accidents, Boiling water reactors, Computers, Coolants
Proceedings Papers

Critical Flaw Size Evaluation in Butt-Fusion Joints of HDPE Pipes

S. Kalyanam, P. Krishnaswamy, E. M. Focht, D.-J. Shim, F. W. Brust, Y. Hioe
Proc. ASME. PVP2014, Volume 6B: Materials and Fabrication, V06BT06A041, July 20–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: PVP2014-28431
https://doi.org/10.1115/PVP2014-28431
View Paper titled, Critical Flaw Size Evaluation in Butt-Fusion Joints of HDPE Pipes
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Topics: Pipes, American Petroleum Institute, ASME Standards, Finite element analysis, Fitness-for-service, Density, Experimental methods, Hydrostatics, Joining, Nuclear industry
Proceedings Papers

Impact of Weld Sequencing and Fabrication on Residual Stress Fields

F. W. Brust, T. Zhang, G. Wilkowski, H. Xu, K. Wichman
Proc. ASME. ICONE20-POWER2012, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovations; Advanced Reactors and Near-Term Deployment; Reactor Physics, Neutronics, and Transport Theory; Nuclear Education, Human Resources, and Public Acceptance, 399-408, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54585
https://doi.org/10.1115/ICONE20-POWER2012-54585
View Paper titled, Impact of Weld Sequencing and Fabrication on Residual Stress Fields
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Topics: Manufacturing, Stress, Welding, Nuclear industry, Residual stresses, Stress corrosion cracking, ASME Standards, Cladding systems (Building), Cracking (Materials), Design