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Keywords: ageing structures
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Proceedings Papers

A Multi-Scale Creep, Fatigue, and Creep-Fatigue Interaction Model for Estimating Reliability of Steel Components at Elevated Temperatures

Jeffrey T. Fong, Pedro V. Marcal, Marvin J. Cohn, N. Alan Heckert
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A020, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106834
https://doi.org/10.1115/PVP2023-106834
... are presented and discussed. Keywords: Ageing components; ageing structures; chemical processing plant; creep; creep damage model; creep fatigue interaction; creep rupture time; creep thermal fatigue; failure probability; fatigue; fatigue modeling; inspection interval; minimum time to failure; multi-scale...
View Paper titled, A Multi-Scale Creep, Fatigue, and Creep-Fatigue Interaction Model for Estimating Reliability of Steel Components at Elevated Temperatures
Open the PDF for A Multi-Scale Creep, Fatigue, and Creep-Fatigue Interaction Model for Estimating Reliability of Steel Components at Elevated Temperatures in another window
Topics: Creep, Damage, Failure, Fatigue, Inspection, Modeling, Pipes, Pressure vessels, Probability, Reliability
Proceedings Papers

A Failure-Probability- and Damage-State-Based Fatigue and Creep Model for Estimating Reliability of Stainless Steel 316L(N) Components in Thermal Fatigue

Jeffrey T. Fong, Pedro V. Marcal, Marvin J. Cohn, N. Alan Heckert
Proc. ASME. PVP2023, Volume 1: Codes & Standards, V001T01A019, July 16–21, 2023
Publisher: American Society of Mechanical Engineers
Paper No: PVP2023-106831
https://doi.org/10.1115/PVP2023-106831
... the component failure probability (or, co-reliability) of steel components in creep at elevated temperatures with complex histories are discussed. Keywords: Ageing components; ageing structures; chemical processing plant; co-reliability; component co-reliability; creep; creep damage model; creep rupture time...
View Paper titled, A Failure-Probability- and Damage-State-Based Fatigue and Creep Model for Estimating Reliability of Stainless Steel 316L(N) Components in Thermal Fatigue
Open the PDF for A Failure-Probability- and Damage-State-Based Fatigue and Creep Model for Estimating Reliability of Stainless Steel 316L(N) Components in Thermal Fatigue in another window
Topics: Creep, Damage, Failure, Fatigue, Inspection, Modeling, Pipes, Power stations, Pressure vessels, Probability
Proceedings Papers

Fatigue-Life Prediction and Design for Uncracked and Cracked Components: Deterministic, A- and B-Basis Probabilistic, and Reliability Target Approaches

Jeffrey T. Fong, Pedro V. Marcal, Stephen W. Freiman, N. Alan Heckert, James J. Filliben
Proc. ASME. PVP2022, Volume 1: Codes and Standards, V001T01A016, July 17–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: PVP2022-84851
https://doi.org/10.1115/PVP2022-84851
...: Ageing components; ageing structures; AISI 4340 steel; brittle fracture; ceramics; chemical processing plant; coreliability; co-reliability-target; component co-reliability; crack growth rate; crack initiation; crack propagation; cracked pipe; failure probability; fatigue; fracture mechanics; gas...
View Paper titled, Fatigue-Life Prediction and Design for Uncracked and Cracked Components: Deterministic, A- and B-Basis Probabilistic, and Reliability Target Approaches
Open the PDF for Fatigue-Life Prediction and Design for Uncracked and Cracked Components: Deterministic, A- and B-Basis Probabilistic, and Reliability Target Approaches in another window
Topics: Design, Failure, Fatigue, Fatigue life, Fracture (Materials), Glass, Modeling, Nondestructive evaluation, Pipes, Pressure vessels
Proceedings Papers

A Multi-Scale Failure-Probability-and-NDE-Based Fatigue Life Model for Estimating Component Co-Reliability of Uncracked and Cracked Pipes

Jeffrey T. Fong, Pedro V. Marcal, Robert Rainsberger, N. Alan Heckert, James J. Filliben, Steven R. Doctor, Ned A. Finney, Jr.
Proc. ASME. PVP2021, Volume 1: Codes and Standards, V001T01A029, July 13–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: PVP2021-62169
https://doi.org/10.1115/PVP2021-62169
... monitoring (SHM) program. Significance and limitations of this new fatigue life modeling approach to the estimation of component co-reliability of uncracked and cracked pipes are presented and discussed. ageing components ageing structures AISI 4340 steel chemical processing plant co-reliability...
View Paper titled, A Multi-Scale Failure-Probability-and-NDE-Based Fatigue Life Model for Estimating Component Co-Reliability of Uncracked and Cracked Pipes
Open the PDF for A Multi-Scale Failure-Probability-and-NDE-Based Fatigue Life Model for Estimating Component Co-Reliability of Uncracked and Cracked Pipes in another window
Topics: Failure, Fatigue, Fatigue life, Fracture (Materials), Inspection, Modeling, Nondestructive evaluation, Pipes, Pressure vessels, Probability
Proceedings Papers

Design of an Intelligent Python Code for Validating Crack Growth Exponent by Monitoring a Crack of Zig-Zag Shape in a Cracked Pipe

Jeffrey T. Fong, Pedro V. Marcal, Robert Rainsberger, N. Alan Heckert, James J. Filliben
Proc. ASME. PVP2019, Volume 6A: Materials and Fabrication, V06AT06A058, July 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: PVP2019-93502
https://doi.org/10.1115/PVP2019-93502
... stress analysis, is feasible for predicting more accurately the fatigue life of a cracked vessel or piping because the material model has a field-validated crack growth exponent. Significance and limitations of this IP-assisted approach are discussed. ageing components ageing structures crack...
View Paper titled, Design of an Intelligent Python Code for Validating Crack Growth Exponent by Monitoring a Crack of Zig-Zag Shape in a Cracked Pipe
Open the PDF for Design of an Intelligent Python Code for Validating Crack Growth Exponent by Monitoring a Crack of Zig-Zag Shape in a Cracked Pipe in another window
Topics: Design, Fracture (Materials), Fracture mechanics, Pipes, Pressure vessels, Shapes