Prediction for Crack Propagation and Arrest of Shear Fracture in Ultra-high Pressure Natural Gas Pipelines

Hiroyuki Makino; Takahiro Kubo; Toyoaki Shiwaku; Shigeru Endo; Takehiro Inoue; Yoshiaki Kawaguchi; Yoichiro Matsumoto; Susumu Machida

doi:10.2355/isijinternational.41.381

Hiroyuki Makino, Takahiro Kubo, Toyoaki Shiwaku, Shigeru Endo, Takehiro Inoue, Yoshiaki Kawaguchi, Yoichiro Matsumoto, Susumu Machida

著者情報

キーワード: propagating shear fracture, natural gas pipeline, ultra-high pressure, high-grade line pipe

ジャーナルフリー

2001 年 41 巻 4 号 p. 381-388

DOI https://doi.org/10.2355/isijinternational.41.381

詳細

抄録

Prevention of shear fracture in the natural gas pipelines is one of the most important problems for the safety of the natural gas transportation. The present paper gives a prediction method for the crack propagation and arrest in the ultra-high pressure pipelines which is the recent trend of the pipeline design and the toughness requirements for the high-grade line pipes to avoid the fracture.

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