Crack Tip Opening Displacement of X100 SAWL Pipe

Qing Ren Xiong; Jun Liu; Jian Xun Zhang; Yao Rong Feng; Wen Zhen Zhao

doi:10.4028/www.scientific.net/AMR.299-300.292

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 299-300Crack Tip Opening Displacement of X100 SAWL Pipe

Crack Tip Opening Displacement of X100 SAWL Pipe

Abstract:

The fracture toughness of different zones of X100 SAWL pipe was studied by three-point bend test method under different temperature. At the same temperature, the crack propagation resistance and tear modulus of X100 SAWL pipe distributed as: base metal>HAZ>weld bead, and the distribution of the CTOD value of X100 SAWL pipe is :base metal >weld bead >HAZ. Further investigation was conducted to analyze the decrease of fracture toughness (especially low temperature fracture toughness) and the occurrence of local unstable phenomenon in HAZ specimens.

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Periodical:

Advanced Materials Research (Volumes 299-300)

Pages:

292-297

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.299-300.292

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Online since:

July 2011

Authors:

Qing Ren Xiong, Jun Liu, Jian Xun Zhang, Yao Rong Feng, Wen Zhen Zhao

Keywords:

Crack Tip Opening Displacement (CTOD), Fracture Toughness, Heat Affected Zone (HAZ), X100 Pipeline

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