2005
DOI: 10.1115/1.2349570
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Modified Equation To Predict Leak/Rupture Criteria For Axially Through-Wall Notched X80 and X100 Linepipes Having a Higher Charpy Energy

Abstract: A method of predicting the leak/rupture criteria for API 5L X80 and X100 line pipes was evaluated based on the results of hydrostatic full-scale tests for X60, X65, X80, and X100 line pipes with an axially through-wall (TW) notch. The TW notch test results defined the leak/rupture criteria, that is, the relationship between the initial notch lengths and the maximum hoop stresses during the TW notch tests. The defined leak/rupture criteria were then compared to the prediction of the Charpy V-notch (CVN) absorbe… Show more

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Cited by 9 publications
(5 citation statements)
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“…Fig. 3, b roughly doubles the scales in part a) of this ¿ gure, to permit inclusion of recent work by Tokyo Gas (TG) [12] that extends the database to cover toughness values that approach the levels more typical of modern line pipe. It is clear from Fig.…”
Section: Limitations and Key Assumptions Inherentmentioning
confidence: 99%
“…Fig. 3, b roughly doubles the scales in part a) of this ¿ gure, to permit inclusion of recent work by Tokyo Gas (TG) [12] that extends the database to cover toughness values that approach the levels more typical of modern line pipe. It is clear from Fig.…”
Section: Limitations and Key Assumptions Inherentmentioning
confidence: 99%
“…2 Limitation of CVN-based model defined by Kawaguchi (6) for all pipe materials. From these observations, Kawaguchi suggested that it might be more appropriate to use the absorbed energy up to the onset of ductile cracking as a parameter to characterize the material fracture toughness.…”
Section: Battelle (Maxey/kiefner) Charpy-based Model For Through-wallmentioning
confidence: 99%
“…The hydrostatic full-scale pipe test results reported by Tokyo Gas (6) were used for the through-wall-cracked pipe analyses and the CSM (8) results were used for the surface-cracked-pipe analyses.…”
Section: Applicability To High-strength Line Pipementioning
confidence: 99%
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