[HTML][HTML] Delayed fracture stress thresholds degraded by the shear punching process in ultra-high-strength steel sheets: analysis using an in-plane bending test with …
This study established delayed fracture stress thresholds for punched surfaces of two ultra-
high-strength steel sheets, JSC1180Y and 22MnB5. Punched surfaces exhibit deterioration …
high-strength steel sheets, JSC1180Y and 22MnB5. Punched surfaces exhibit deterioration …
[HTML][HTML] Stress-controlled hydrogen embrittlement failure in U-bend high-strength steel
The effect of plastic deformation on the hydrogen embrittlement behavior of high-strength
martensitic steels was investigated using a U-bend test. The hydrogen embrittlement …
martensitic steels was investigated using a U-bend test. The hydrogen embrittlement …
[HTML][HTML] Effect of hydrogen on the tensile behavior of austenitic stainless steels 316l produced by laser-powder bed fusion
F Khaleghifar, K Razeghi, A Heidarzadeh… - Metals, 2021 - mdpi.com
Hydrogen was doped in austenitic stainless steel (ASS) 316L tensile samples produced by
the laser-powder bed fusion (L-PBF) technique. For this aim, an electrochemical method …
the laser-powder bed fusion (L-PBF) technique. For this aim, an electrochemical method …
Hydrogen-Induced Delayed Fracture in a 1.5 GPa Dual-Phase Steel via Coalescence of Surface and Sub-surface Cracks
Hydrogen embrittlement susceptibility of a 1.5 GPa class ferrite/martensite dual-phase steel
was evaluated using the U-bend test. Hydrogen-induced delayed fracture occurs via the …
was evaluated using the U-bend test. Hydrogen-induced delayed fracture occurs via the …
Effect of Stretch-forming on Hydrogen Diffusion Behavior in High-strength Steel Sheet
The hydrogen diffusion behavior in a tempered martensitic steel sheet with 1-GPa grade
tensile strength was investigated using a newly developed hydrogen visualization technique …
tensile strength was investigated using a newly developed hydrogen visualization technique …
Hydrogen Embrittlement Property of a 1.5 GPa Dual-Phase Steel Evaluated Using U-bending Test: A Comparison with Tempered Martensitic Steel with Identical …
The hydrogen embrittlement susceptibilities of 1.5 GPa-class dual-phase (DP) and tempered
martensitic steels were comparatively evaluated using U-bending test. The U-bending tests …
martensitic steels were comparatively evaluated using U-bending test. The U-bending tests …
高強度薄鋼板の水素脆化メカニズム
北條智彦, 柴山由樹, 味戸沙耶, 小山元道, 秋山英二 - まてりあ, 2022 - jstage.jst.go.jp
自動車用鋼板では軽量化, 衝突安全性向上のため 2000 年代以降, 高強度化がすすんだ.
自動車用高強度鋼板は強度上昇にともないプレス成形性が低下し, 通常のプレス加工法で構造 …
自動車用高強度鋼板は強度上昇にともないプレス成形性が低下し, 通常のプレス加工法で構造 …
[HTML][HTML] 高強度鋼板中の水素拡散挙動に及ぼす張出し加工の影響
西村隼杜, 味戸沙耶, 北條智彦, 小山元道, 藤田健一… - 鉄と鋼, 2022 - jstage.jst.go.jp
The hydrogen diffusion behavior in a tempered martensitic steel sheet with 1-GPa grade
tensile strength was investigated utilizing a newly developed hydrogen visualization …
tensile strength was investigated utilizing a newly developed hydrogen visualization …
鉄鋼材料の水素脆化評価の基盤技術
秋山英二 - 水素エネルギーシステム, 2022 - jstage.jst.go.jp
抄録 Hydrogen embrittlement is caused by a small amount of hydrogen in steels used under
applied stress, which is a critical issue in the current era when there are growing needs to …
applied stress, which is a critical issue in the current era when there are growing needs to …
水素脆化を “測る”
柴山由樹 - まてりあ, 2023 - jstage.jst.go.jp
が挙げられます. これら種々の測定結果を組み合わせ, 水素による割れ感受性が議論されています.
塑性加工の影響を考慮した水素脆化割れ感受性の代表的な測定手法として, U 字曲げ加工試験が …
塑性加工の影響を考慮した水素脆化割れ感受性の代表的な測定手法として, U 字曲げ加工試験が …