Quality Evaluation of Line Pipes by the Chevron Notched Drop Weight Tear Test

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概要

• 論文の詳細を見る

• The WG in High Strength Line Pipe Research Subcommittee of Steel Pipes and Tubes Committee of the Joint Research Society of ISIJ investigated the applicability of the Chevron Notched Drop Weight Tear Test to Japanese high toughness line pipes, and developed a new test method, The Slit Chevron Notched Drop Weight Tear Test. The effects of the slit width and the notch angle of the specimen was investigated in details, and the established method was verified by the burst tests on actual pipes. The fracture appearance transition temperature of the established test is a little safe side estimation to the brittle fracture of line pipes, and the impact energy of the test gives the prediction to the ductile crack propagation and arrest in natural gas transmission pipelines. It is expected that the developed method serves for the quality evaluation of high toughness line pipes against brittle fracture and ductile crack propagation and arrest.

• 社団法人 日本鉄鋼協会の論文
• 1995-04-15

著者

• Maeda H

  Kyoto Univ. Kyoto

• KUBO Takahiro

  Technical Research Laboratories, Kawasaki Steel Corporation

• KAWAGUCHI Yoshiaki

  Frontier Research Center for Structural Materials, National Research Institute for Metals

• Makino Hiroyuki

  Corporate Research & Development Laboratories Sumitomo Metal Industries Limited

• Kubo Takahiro

  Technical Research Laboratories Kawasaki Steel Corporation

• Makino H

  Corporate Research & Development Laboratories Sumitomo Metal Industries Limited

• Miyazaki H

  Exploratory Chemistry Research Laboratories Sankyo Co. Ltd.

• KUBO Takahiro

  Iron and Steel Research Laboratories, Kawasaki Steel Corporation

• SHIWAKU Toyoaki

  Kakogawa Works, Kobe Steel, Ltd.

• KONDO Joe

  Fukuyama Works, NKK

• MIYAZAKI Hideki

  Kimitsu Works, Nippon Steel Corporation

• KAWAGUCHI Yoshiaki

  Iron and Steel Research Laboratories, Sumitomo Metal Industries, Ltd.

• Kubo T

  Technical Research Laboratories Kawasaki Steel Corporation

• Kondo Joe

  Fukuyama Works Nkk

• Shiwaku Toyoaki

  Iron And Steel Sector Kobe Steel Limited

• Kawaguchi Y

  Frontier Research Center For Structural Materials National Research Institute For Metals

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