This paper investigated the applicability of the differential function of J-integral Resistance (J-R) curves, that is, dJ/da to predict the leak/rupture limit on X65 and X80 line pipes. The leak/rupture limit depended on the J-R curves of line pipes and was estimable using the dJ/da approach irrespective of the levels of the Charpy impact energy. It is noted that the dJ/da approach enables us to evaluate the leak/rupture limit of pipelines having a high Charpy impact energy, to which the Charpy impact energy-based equation is inapplicable.
- Pipeline Division
Evaluation of Leak/Rupture Limit for Axially Through-Wall Notched Line Pipes Using J-Integral Resistance Curve
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Kawaguchi, S, Hagiwara, N, Rudland, DL, & Wilkowski, GM. "Evaluation of Leak/Rupture Limit for Axially Through-Wall Notched Line Pipes Using J-Integral Resistance Curve." Proceedings of the 2006 International Pipeline Conference. Volume 3: Materials and Joining; Pipeline Automation and Measurement; Risk and Reliability, Parts A and B. Calgary, Alberta, Canada. September 25–29, 2006. pp. 613-619. ASME. https://doi.org/10.1115/IPC2006-10505
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