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.
- Pipeline Division
CEPA Study on Characterization of Pipeline Pressure Fluctuations in Terms Relevant to Stress Corrosion Cracking
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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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