12 件のレコードが見つかりました。
Improvement of fatigue limit by pre-fatigue deformation in 1.6 GPa-grade as-quenched martensitic steel
- 論文
- 著者
-
Kazuho Okada
;
Eri Nakagawa
;
Kaneaki Tsuzaki
;
Akinobu Shibata
- キーワード
- マルテンサイト鋼, 疲労破壊
- 刊行年月日
- 2024-11-10
- 更新時刻
- 2025-07-11 17:15:27 +0900
Improving hydrogen embrittlement resistance in high-strength martensitic steels via thermomechanical processing
- 論文
- 著者
-
Xiaodong Lan
;
Kazuho Okada
;
Rintaro Ueji
;
Akinobu Shibata
- キーワード
- Hydrogen embrittlement, Intergranular fracture, Martensitic steel, Dynamic ferrite transformation, Thermomechanical processing
- 刊行年月日
- 2025-04-16
- 更新時刻
- 2025-06-13 10:12:04 +0900
In situ neutron diffraction study to elucidate hydrogen effect on the deformation mechanism in Type 310S austenitic stainless steel
- ポスター
- 著者
-
Tatsuya Ito
;
Yuhei Ogawa
;
Wu Gong
;
Wenqi Mao
;
Takuro Kawasaki
;
Kazuho Okada
;
Akinobu Shibata
;
Stefanus Harjo
- キーワード
- Austenitic steel, Hydrogen, Plastic deformation, Neutron diffraction
- 刊行年月日
- 2024-11-10
- 更新時刻
- 2025-04-21 10:07:40 +0900
Quantitative analysis of local plasticity accompanying hydrogen-related fracture in low-carbon martensitic steel
- 論文
- 著者
-
Xiaodong Lan
;
Kazuho Okada
;
Ivan Gutierrrez-Urrutia
;
Akinobu Shibata
- キーワード
- Hydrogen embrittlement, Martensite, Local plasticity, Electron backscatter diffraction (EBSD), Digital image correlation (DIC)
- 刊行年月日
- 2023-11-08
- 更新時刻
- 2024-11-21 16:31:07 +0900
Real-time Observation of Stress-strain Behavior beyond Necking in Martensitic Steel by in-situ Synchrotron X-ray Diffraction
- 論文
- 著者
-
Avala Lavakumar
;
Sukyoung Hwang
;
Kazuho Okada
;
Myeong-heom Park
;
Atul Haris Chokshi
;
Nobuhiro Tsuji
- キーワード
- Martensitic Steel, in-situ Synchrotron X-ray Diffraction, Necking
- 刊行年月日
- 2024-10-15
- 更新時刻
- 2024-11-07 16:30:41 +0900
Effect of carbon segregation at prior austenite grain boundary on hydrogen-related crack propagation behavior in 3Mn-0.2C martensitic steels
- 論文
- 著者
-
Kazuho Okada
;
Akinobu Shibata
;
Yuuji Kimura
;
Masatake Yamaguchi
;
Ken-ichi Ebihara
;
Nobuhiro Tsuji
- キーワード
- Hydrogen embrittlement, Martensitic steel, Crack propagation, Grain-boundary segregation, Intergranular failure
- 刊行年月日
- 2024-08-14
- 更新時刻
- 2024-09-05 16:30:34 +0900
Origin of Serrated Markings on the Hydrogen Related Quasi-cleavage Fracture in Low-carbon Steel with Ferrite Microstructure
- 論文
- 著者
-
Kazuho Okada
;
Akinobu Shibata
;
Hisashi Matsumiya
;
Nobuhiro Tsuji
- キーワード
- hydrogen embrittlement, ferritic steel, quasi-cleavage fracture, transmission electron microscopy (TEM), focused ion beam (FIB), three-dimensional morphology
- 刊行年月日
- 2024-09-01
- 更新時刻
- 2024-09-03 12:30:16 +0900
Exploring unusual Lüders deformation in ultrafine-grained high-Mn austenitic steel
- 論文
- 著者
-
Sukyoung Hwang
;
Hirokazu Kato
;
Kazuho Okada
;
Myeong-heom Park
;
Avala Lavakumar
;
Reza Gholizadeh
;
Hiroki Adachi
;
Masugu Sato
;
Nobuhiro Tsuji
- キーワード
- High-Mn austenitic steel, yield point, Lüders deformation, ultrafine grains, TWIP effect
- 刊行年月日
- 2024-08-02
- 更新時刻
- 2024-08-27 16:30:35 +0900
Effect of Hydrogen on Evolution of Deformation Microstructure in 2Mn-0.1C Ferritic Steel
- 報告書
- 著者
-
K. Okada
;
A. Shibata
;
Wu Gong
;
N. Tsuji
- キーワード
- Ferritic steel, Hydrogen embrittlement, Dislocation, Neutron diffraction
- 刊行年月日
- [2024年]
- 更新時刻
- 2024-08-27 16:30:32 +0900