Fracture toughness evaluation of an ultrahigh-strength steel sheet in air and high-pressure hydrogen-gas

Naoki Hirakawa

Presentation information

Poster Session

F. Functional & Structural » [F-1] Future prospect of DX-driven development in structural materials

[F1-P204] Poster 204

Tue. Dec 12, 2023 6:30 PM - 8:30 PM Poster (Annex)

[F1-P204-14] Fracture toughness evaluation of an ultrahigh-strength steel sheet in air and high-pressure hydrogen-gas

*Naoki Hirakawa¹, Yuya Tanaka², Kaneaki Tsuzaki³, Akinobu Shibata³, Hisao matsunaga Matsunaga¹ (1. Kyushu Univ. (Japan), 2. Fukuoka Univ. (Japan), 3. NIMS (Japan))

Keywords:Ultra-high strength steel, Fracture toughness, Hydrogen embrittlement, Thickness dependence, Crack closure

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