NDLI: Tensile Strain Capacity of X80 Pipeline Under Tensile Loading With Internal Pressure

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Igi, Satoshi Sakimoto, Takahiro Suzuki, Nobuhisa Muraoka, Ryuji Arakawa, Takekazu
Copyright Year	2010
Abstract	This paper presents the results of experimental and finite element analysis (FEA) studies focused on the tensile strain capacity of X80 pipelines under large axial loading with high internal pressure. Full-pipe tensile test of girth welded joint was performed using high-strain X80 linepipes. Curved wide plate (CWP) tests were also conducted to verify the strain capacity under a condition of no internal pressure. The influence of internal pressure was clearly observed in the strain capacity. Critical tensile strain is reduced drastically due to the increased crack driving force under high internal pressure. In addition, SENT tests with shallow notch specimens were conducted in order to obtain a tearing resistance curve for the simulated HAZ of X80 material. Crack driving force curves were obtained by a series of FEA, and the critical global strain of pressurized pipes was predicted to verify the strain capacity of X80 welded linepipes with surface defects. Predicted strain showed good agreement with the experimental results.
Sponsorship	International Petroleum Technology Institute and the Pipeline Division
Starting Page	91
Ending Page	100
Page Count	10
File Format	PDF
ISBN	9780791844236
DOI	10.1115/IPC2010-31281
e-ISBN	9780791838853
Volume Number	2010 8th International Pipeline Conference, Volume 4
Conference Proceedings	2010 8th International Pipeline Conference
Language	English
Publisher Date	2010-09-27
Publisher Place	Calgary, Alberta, Canada
Access Restriction	Subscribed
Subject Keyword	Welded joints Finite element analysis Fracture (materials) Pipelines Pressure Pipes
Content Type	Text
Resource Type	Article

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