The crack morphology of transgranular stress corrosion cracking (TGSCC) suggests that the mechanism of growth and the condition at which TGSCC occur is different than that of intergranular stress corrosion cracking (IGSCC). Several attempts have been made to characterize IGSCC probabilistically; however, limited effort has been noticed for TGSCC. This paper attempts to analyze TGSCC probabilistically. The study includes assessment of probability of failure for low pH, TGSCC by R6 approach/BS 7910 approach/API 579 approach, which considers plastic yielding and linear elastic fracture mechanics, CSA Z 662-07 burst model approach and author’s proposed strain-based approach. The paper observes that failure assessment diagram (FAD) based approaches (R6, BS 7910, and API 579) calculate least failure probability compared to CSA Z 662-07 burst model approach. The authors also noticed that their proposed hoop strain-based approach calculates closely to CSA Z 662-07 burst model approach. Finally, the authors justified the rationality of the results obtained by their approach.
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October 2012
Pipeline Systems
Probabilistic Transgranular Stress Corrosion Cracking Analysis for Oil and Gas Pipelines
Sikder M. Hasan,
Sikder M. Hasan
Process Engineering, Faculty of Engineering and Applied Science,
e-mail: msh678@mun.ca
Memorial University of Newfoundland
, St. John’s, NL, A1B 3X5, Canada
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Faisal Khan,
Faisal Khan
Professor and Chair
Process Engineering, Faculty of Engineering and Applied Science,
e-mail: fikhan@mun.ca
Memorial University of Newfoundland
, St. John’s, NL, A1B 3X5, Canada
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Shawn Kenny
Shawn Kenny
Associate Professor
Wood Group Chair in Arctic and Harsh Environments Engineering, Faculty of Engineering and Applied Science,
e-mail: spkenny@mun.ca
Memorial University of Newfoundland
, St. John’s, NL, A1B 3X5, Canada
Search for other works by this author on:
Sikder M. Hasan
Process Engineering, Faculty of Engineering and Applied Science,
Memorial University of Newfoundland
, St. John’s, NL, A1B 3X5, Canada
e-mail: msh678@mun.ca
Faisal Khan
Professor and Chair
Process Engineering, Faculty of Engineering and Applied Science,
Memorial University of Newfoundland
, St. John’s, NL, A1B 3X5, Canada
e-mail: fikhan@mun.ca
Shawn Kenny
Associate Professor
Wood Group Chair in Arctic and Harsh Environments Engineering, Faculty of Engineering and Applied Science,
Memorial University of Newfoundland
, St. John’s, NL, A1B 3X5, Canada
e-mail: spkenny@mun.ca
J. Pressure Vessel Technol. Oct 2012, 134(5): 051701 (9 pages)
Published Online: September 10, 2012
Article history
Received:
October 14, 2011
Revised:
November 19, 2011
Online:
September 10, 2012
Published:
September 10, 2012
Citation
Hasan, S. M., Khan, F., and Kenny, S. (September 10, 2012). "Probabilistic Transgranular Stress Corrosion Cracking Analysis for Oil and Gas Pipelines." ASME. J. Pressure Vessel Technol. October 2012; 134(5): 051701. https://doi.org/10.1115/1.4006125
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