Neutral-pH stress corrosion cracking (SCC) is a topic of significant interest to pipeline operators in the Canadian Energy Pipeline Association (CEPA). In recent years there has been a shift in laboratory SCC research toward investigating cracking phenomena under more realistic environmental and physical loading conditions. To support this move, CEPA has been active in collecting pressure-time data from its varied membership of liquid and gas pipeline companies. Histories of pressure fluctuations in operating systems have been characterized in terms of loading cycles, R-values (the ratio of minimum to maximum stress) and strain rates. These parameters are relevant to the design of laboratory experiments for the investigation of SCC. An overview of the data is presented for both liquid and gas pipelines in various service applications.
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2000 3rd International Pipeline Conference
October 1–5, 2000
Calgary, Alberta, Canada
Conference Sponsors:
- Pipeline Division
ISBN:
978-0-7918-4025-2
PROCEEDINGS PAPER
CEPA Study on Characterization of Pipeline Pressure Fluctuations in Terms Relevant to Stress Corrosion Cracking Free
Robert Sutherby,
Robert Sutherby
TransCanada PipeLines Ltd.
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Greg Van Boven,
Greg Van Boven
NOVA Research & Technology Corporation
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Martyn Wilmott
Martyn Wilmott
Bredero-Price Company
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Robert Sutherby
TransCanada PipeLines Ltd.
Tom Jack
NOVA Research & Technology Corporation
Greg Van Boven
NOVA Research & Technology Corporation
Martyn Wilmott
Bredero-Price Company
Paper No:
IPC2000-222, V002T06A042; 8 pages
Published Online:
October 21, 2016
Citation
Sutherby, R, Jack, T, Van Boven, G, & Wilmott, M. "CEPA Study on Characterization of Pipeline Pressure Fluctuations in Terms Relevant to Stress Corrosion Cracking." Proceedings of the 2000 3rd International Pipeline Conference. Volume 2: Integrity and Corrosion; Offshore Issues; Pipeline Automation and Measurement; Rotating Equipment. Calgary, Alberta, Canada. October 1–5, 2000. V002T06A042. ASME. https://doi.org/10.1115/IPC2000-222
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