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Journal Articles

Inverse Fracture in DWTT and Brittle Crack Behavior in Large-Scale Brittle Crack Arrest Test

Tetsuya Tagawa, Toshihiko Amano, Takashi Hiraide, Takahiro Sakimoto, Satoshi Igi, Taishi Fujishiro, Takuya Hara, Takehiro Inoue, Shuji Aihara
Journal: Journal of Pressure Vessel Technology
Article Type: Research-Article
J. Pressure Vessel Technol. October 2018, 140(5): 051205.
Paper No: PVT-18-1042
DOI: https://doi.org/10.1115/1.4040641
Published Online: August 2, 2018
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Topics: Brittleness, Fracture (Materials), Fracture (Process)
Proceedings Papers

Experimental Study on Inverse Fracture in Drop-Weight Tear Test and Other Laboratory Test: Current Activities in HLP Committee, Japan, Report 2

Tetsuya Tagawa, Taishi Fujishiro, Toshihiko Amano, Shuji Aihara, Satoshi Igi
Proc. ASME. IPC2016, Volume 3: Operations, Monitoring and Maintenance; Materials and Joining, V003T05A027, September 26–30, 2016
Paper No: IPC2016-64299
DOI: https://doi.org/10.1115/IPC2016-64299
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Topics: Fracture (Materials), Weight (Mass), Brittleness, Shear (Mechanics), Ambiguity, Brittle fracture, Fractography, Hammers, Statistical process control, Steel
Proceedings Papers

Effect of Plastic Deformation on Occurrence of Abnormal Fracture During DWTT

Taishi Fujishiro, Takuya Hara, Shuji Aihara
Proc. ASME. IPC2012, Volume 3: Materials and Joining, 159-165, September 24–28, 2012
Paper No: IPC2012-90165
DOI: https://doi.org/10.1115/IPC2012-90165
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Topics: Deformation, Fracture (Materials), Hammers, American Petroleum Institute, Steel, Acceptance criteria, Compression, Fracture toughness, Liquefied natural gas, Natural gas
Proceedings Papers

Evaluation on Dependence of Ductile Crack Propagation Resistance on Crack Velocity

Shuji Aihara, Kazuki Shibanuma, Yasuhito Imai, Taishi Fujishiro, Takuya Hara
Proc. ASME. IPC2012, Volume 3: Materials and Joining, 575-584, September 24–28, 2012
Paper No: IPC2012-90637
DOI: https://doi.org/10.1115/IPC2012-90637
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Topics: Ductile fracture, Fracture (Materials), Pipes, Crack propagation, Displacement, Finite element analysis, Stress, Weight (Mass)
Proceedings Papers

Metallurgical Design and Development of High-Grade Line Pipe

Takuya Hara, Taishi Fujishiro, Yasuhiro Shinohara, Eiji Tsuru, Naoki Doi, Eiichi Yamashita, Hideki Miyazaki, Hitoshi Asahi, Yoshio Terada, Masahiko Murata
Proc. ASME. IPC2012, Volume 3: Materials and Joining, 149-157, September 24–28, 2012
Paper No: IPC2012-90148
DOI: https://doi.org/10.1115/IPC2012-90148
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Topics: Design, Pipes, Low temperature, American Petroleum Institute, Fracture (Materials), Fracture toughness, Composite materials, Construction, High pressure (Physics), Pipelines
Proceedings Papers

Application of B-Added Low Carbon Bainite Steels to X80 UOE Line Pipe for Ultra Low Temperature Usage

Taishi Fujishiro, Takuya Hara, Yoshio Terada, Shinya Sakamoto, Hitoshi Asahi
Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 2, 377-382, September 27–October 1, 2010
Paper No: IPC2010-31209
DOI: https://doi.org/10.1115/IPC2010-31209
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Topics: Carbon, Low temperature, Pipes, Steel, American Petroleum Institute, Fracture toughness, Base metals, Fracture (Materials), Manufacturing, Welded joints
Proceedings Papers

Effect of Separation on Ductile Crack Propagation Behavior During Drop Weight Tear Test

Takuya Hara, Taishi Fujishiro
Proc. ASME. IPC2010, 2010 8th International Pipeline Conference, Volume 2, 321-327, September 27–October 1, 2010
Paper No: IPC2010-31166
DOI: https://doi.org/10.1115/IPC2010-31166
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Topics: Ductile fracture, Separation (Technology), Weight (Mass), Fracture (Materials), Pipelines, Pipes, High pressure (Physics), Liquefied natural gas, Natural gas