The 189th ISIJ Spring Meeting
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Session Details

General PresentationMicrostructure and Properties of Materials

Hydrogen embrittlement 2

Sat. Mar 8, 2025 10:30 AM - 12:10 PM JST
Sat. Mar 8, 2025 1:30 AM - 3:10 AM UTC
Room9（Bldg.1 2F 210）
柴田暁伸 [物材機構]
10:30 AM - 10:50 AM JST(1:30 AM - 1:50 AM UTC)

[98]Research and development of pressure accumulators for hydrogen stations

○Hiroshi Okano (JFE)
10:50 AM - 11:10 AM JST(1:50 AM - 2:10 AM UTC)

[99]Effects of pre-straining and low temperature heat treatment on hydrogen embrittlement in tempered martensitic steel

○Kazuki Endoh, Kazuki Matsubara, Yuki Toji, Masanari Tomozawa, Hiromi Yoshida (JFE)
11:10 AM - 11:30 AM JST(2:10 AM - 2:30 AM UTC)

[100]Effects of pre-straining and low temperature heat treatment on hydrogen embritllment in tempered martensitic steel

○Kazuki Matsubara1, Kazuki Endo1, Fan-Shun Meng2, Shigenobu Ogata2, Yuki Toji1, Masanari Tomozawa1 (1.JFE, 2.Osaka Univ.)
11:30 AM - 11:50 AM JST(2:30 AM - 2:50 AM UTC)

[101]Fracture initiation behavior in hydrogen of UOE steel pipes for high-pressure hydrogen pipelines

○Ryuichi Inoue, Yoshihiro Nishihara, Daichi Izumi, Hiroshi Okano, Takahiro Sakimoto (JFE)
11:50 AM - 12:10 PM JST(2:50 AM - 3:10 AM UTC)

[102]Vacancy-type defects just below the fracture surface of the hydrogen-embrittled tempered martensitic steel by positron annihilation spectroscopy

○Masanori Fujinami1, Honoka Abe1, Koji Michishio2, Kei Saito3, Kenichi Takai3 (1.Chiba Univ., 2.AIST, 3.Sophia Univ.)
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