20 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
Ausformed high-strength low-alloy steel exhibits exceptional resistance to fatigue crack-growth in high-pressure hydrogen environments
- 論文
- 著者
-
Timothee Redarce
;
Keiichiro Iwata
;
Yuhei Ogawa
;
Kaneaki Tsuzaki
;
Akinobu Shibata
;
Hisao Matsunaga
- キーワード
- Hydrogen embrittlement, Martensitic steel, Fatigue crack growth, Thermo-mechanical treatment
- 刊行年月日
- 2025-01-11
- 更新時刻
- 2025-01-20 16:30:27 +0900
Overview of gaseous hydrogen-assisted fatigue crack growth in ferritic iron and steels: Bridging micro and macro
- 論文
- 著者
-
Yuhei Ogawa
;
Osamu Takakuwa
;
Akinobu Shibata
- キーワード
- Hydrogen embrittlement, Ferritic steel, Fatigue crack growth, Crack path, Deformation microstructure
- 刊行年月日
- 2025-01-18
- 更新時刻
- 2025-01-20 16:30:23 +0900
Plastic flow in Fe-Cr-Ni austenitic steel under the presence of solute H: A study via room temperature creep
- 論文
- 著者
-
Yuhei Ogawa
;
Akinobu Shibata
- キーワード
- Austenitic steel, Plasticity, Hydrogen, Themal activation
- 刊行年月日
- 2024-12-16
- 更新時刻
- 2025-01-09 16:31:01 +0900
Grain size dependent deformation microstructure evolution and work-hardening in CoCrNi medium entropy alloy
- 論文
- 著者
-
Shuhei Yoshida
;
Genki Yamashita
;
Takuto Ikeuchi
;
Yu Bai
;
Akinobu Shibata
;
Nobuhiro Tsuji
- キーワード
- Ultrafine-grained metals, High/medium entropy alloys, Deformation microstructure, Deformation twins, Grain boundary-mediated plasticity
- 刊行年月日
- 2024-11-03
- 更新時刻
- 2024-11-23 16:30:14 +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
Effect of deformation temperature on strain localization phenomena in an austenitic Fe-30Mn-6.5Al-0.3C low-density steel
- 論文
- 著者
-
Ivan Gutierrez-Urrutia
;
Akinobu Shibata
- キーワード
- FeMnAlC low-density steels, Strain localization, Austenitic steels, Strain-hardening, Electron channeling contrast imaging (ECCI)
- 刊行年月日
- 2023-12-02
- 更新時刻
- 2024-11-21 16:30:25 +0900
Determination of Microscopic Strain Distribution in the Martensitic Transformation of Fe-31Ni Alloy Plates Using the Micro-grid Marker Method
- 論文
- 著者
-
Tatsuya Morikawa
;
Akinobu Shibata
;
Naoto Nakamura
;
Masaki Tanaka
;
Kenji Higashida
- キーワード
- martensitic phase transformation, plastic deformation, electron backscattering diffraction (EBSD), electron beam lithography
- 刊行年月日
- 2024-01-30
- 更新時刻
- 2024-11-06 16:30:21 +0900