Fracture response of 1422-mm diameter pipe with double-V groove weld joints and circumferential crack in fusion line

•A rigorous finite element model is developed.•Influence of material property and loading condition on the J integral is analyzed.•A new reference strain-based prediction formula is derived. A circumferential crack in the fusion line is a major threat to the structural integrity of the pipeline girt...

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Veröffentlicht in:	Engineering failure analysis 2020-09, Vol.115 (C), p.104641, Article 104641
Hauptverfasser:	Wu, Kai, Liu, Xiaoben, Zhang, Hong, Sui, Yongli, Zhang, Zhenyong, Yang, Die, Liu, Yuqing
Format:	Artikel
Sprache:	eng
Schlagworte:	Crack driving force Finite element analysis Fracture behavior Girth weld Pipeline
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