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Keywords: defect
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Proceedings Papers

Proc. ASME. IPC2024, Volume 2B: Pipeline and Facilities Integrity, V02BT03A004, September 23–27, 2024
Publisher: American Society of Mechanical Engineers
Paper No: IPC2024-133713
... for the axial stress effect in burst pressure prediction for corroded pipes. corrosion FEA structural integrity defect inelastic analysis Proceedings of the 2024 15th International Pipeline Conference IPC2024 September 23-27, 2024, Calgary, Alberta, Canada IPC2024-133713 EFFECTS OF AXIAL STRESS...
Proceedings Papers

Proc. ASME. IPC2024, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A009, September 23–27, 2024
Publisher: American Society of Mechanical Engineers
Paper No: IPC2024-132821
... km, natural gas transmission pipeline shall be repurposed and operated with hydrogen. Mechanical testing of pipeline material, seam and girth welds in air and pressurized, gaseous hydrogen is underway to inform the development of repurposing standards. Full-scale burst testing of defects has been...
Proceedings Papers

Proc. ASME. IPC2020, Volume 1: Pipeline and Facilities Integrity, V001T03A009, September 28–30, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IPC2020-9357
... Abstract The actual shape of a real defect differs from the simplified shapes that are assumed within an engineering critical assessment. Additionally, the re-characterization of interacting defects into one simplified defect is known to introduce conservatism, which may be undesirably large...
Proceedings Papers

Proc. ASME. IPC2020, Volume 3: Operations, Monitoring, and Maintenance; Materials and Joining, V003T05A012, September 28–30, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IPC2020-9255
... Abstract ERW pipe materials, particularly those manufactured prior to 1970, have exhibited higher rates of failures from seam manufacturing defects than other types of pipe materials. Typically, the seam bond line regions of low-frequency (LF) and direct-current (DC) welded ERW pipe materials...
Proceedings Papers

Proc. ASME. IPC2012, Volume 2: Pipeline Integrity Management, 827-834, September 24–28, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IPC2012-90613
... 1 Copyright © 2012 by ASME Proceedings of the 2012 9th International Pipeline Conference IPC2012 September 24-28, 2012, Calgary, Alberta, Canada IPC2012-90613 EXTENSION OF CURRENT DEFECT ASSESSMENT METHODS FOR GOUGE AND CORROSION DEFECTS IN X80 GRADE PIPELINE Giuliano Malatesta Centro Sviluppo...
Proceedings Papers

Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 1, 769-780, September 27–October 1, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IPC2010-31522
... 07 04 2011 It has long been recognized that a defect in a pipeline, such as a crack, or a gouge, or a dent and gouge, can fail at a constant pressure after some period of time has elapsed, which is commonly referred to as a time-delayed failure. Modern line-pipe steels are more defect...
Topics: Failure, Pressure
Proceedings Papers

Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 2, 93-101, September 29–October 3, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IPC2008-64059
... 10 07 2009 The spiral welded defect of steel oil transmission pipeline is one of the main causes resulting in pipeline leakage accident. Hence the failure assessment for known-size spiral welded defects is an important step to ensure the safety of defected pipeline. Lack of suitable...