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岡田 和歩

岡田 和歩 (OKADA, Kazuho) 0000-0003-0183-4528

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305-0047 茨城県つくば市千現1-2-1 [アクセス]
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[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]

論文 TSV

2024
  1. 岡田 和歩. 塑性変形挙動に基づいたBCC鋼の水素脆性擬へき開破壊機構. ふぇらむ. 29 [9] (2024) 602-607 Open Access
  2. Xiaodong Lan, Kazuho Okada, Ivan Gutierrrez-Urrutia, Akinobu Shibata. Quantitative analysis of local plasticity accompanying hydrogen-related fracture in low-carbon martensitic steel. International Journal of Hydrogen Energy. 50 (2024) 333-341 10.1016/j.ijhydene.2023.10.273 Open Access
  3. Kazuho Okada, Akinobu Shibata, Yuuji Kimura, Masatake Yamaguchi, Ken-ichi Ebihara, Nobuhiro Tsuji. Effect of carbon segregation at prior austenite grain boundary on hydrogen-related crack propagation behavior in 3Mn-0.2C martensitic steels. Acta Materialia. 280 (2024) 120288 10.1016/j.actamat.2024.120288 Open Access
  4. Akinobu Shibata, Yazid Madi, Jacques Besson, Akiko Nakamura, Taku Moronaga, Kazuho Okada, Ivan Gutierrez-urrutia, Toru Hara. Relationship between Three-dimensional Crack Morphology and Macroscopic Mechanical Properties of Hydrogen-related Fracture in Martensitic Steel. ISIJ International. 64 [4] (2024) ISIJINT-2023-316 10.2355/isijinternational.isijint-2023-316 Open Access
  5. Avala Lavakumar, Sukyoung Hwang, Kazuho Okada, Myeong-heom Park, Atul Haris Chokshi, Nobuhiro Tsuji. Real-time Observation of Stress-strain Behavior beyond Necking in Martensitic Steel by in-situ Synchrotron X-ray Diffraction. ISIJ International. 64 [12] (2024) ISIJINT-2024-093 10.2355/isijinternational.isijint-2024-093 Open Access
  6. Akinobu Shibata, Ivan Gutierrez-Urrutia, Akiko Nakamura, Taku Moronaga, Kazuho Okada, Yazid Madi, Jacques Besson, Toru Hara. Local crack arrestability and deformation microstructure evolution of hydrogen-related fracture in martensitic steel. Corrosion Science. 233 (2024) 112092 10.1016/j.corsci.2024.112092 Open Access
  7. 岡田 和歩, 柴田 曉伸, 松宮 久, 辻 伸泰. フェライト組織を有する低炭素鋼の水素脆性擬へき開破壊における serrated markings の起源. 鉄と鋼. 110 [11] (2024) 890-898 10.2355/tetsutohagane.tetsu-2024-069 Open Access
  8. S. Hwang, H. Kato, K. Okada, M.H. Park, A. Lavakumar, R. Gholizadeh, H. Adachi, M. Sato, N. Tsuji. Exploring unusual Lüders deformation in ultrafine-grained high-Mn austenitic steel. Materials Research Letters. 12 [8] (2024) 571-579 10.1080/21663831.2024.2359611 Open Access
2023
  1. Akinobu Shibata, Ivan Gutierrez-Urrutia, Akiko Nakamura, Kazuho Okada, Goro Miyamoto, Yazid Madi, Jacques Besson, Toru Hara, Kaneaki Tsuzaki. Three-dimensional propagation behavior of hydrogen-related intergranular cracks in high-strength martensitic steel. International Journal of Hydrogen Energy. 48 [88] (2023) 34565-34574 10.1016/j.ijhydene.2023.05.211 Open Access
  2. Kazuho Okada, Akinobu Shibata, Nobuhiro Tsuji. Characteristics and formation mechanism of serrated markings on the hydrogen-related quasi-cleavage fracture in as quenched low-carbon martensitic steel. Scripta Materialia. 234 (2023) 115568 10.1016/j.scriptamat.2023.115568 Open Access
  3. Kazuho Okada, Akinobu Shibata, Taisuke Sasaki, Hisashi Matsumiya, Kazuhiro Hono, Nobuhiro Tsuji. Improvement of resistance against hydrogen embrittlement by controlling carbon segregation at prior austenite grain boundary in 3Mn-0.2C martensitic steels. Scripta Materialia. 224 (2023) 115043 10.1016/j.scriptamat.2022.115043 Open Access
2022
  1. Kazuho Okada, Akinobu Shibata, Hisashi Matsumiya, Nobuhiro Tsuji. Origin of Serrated Markings on the Hydrogen Related Quasi-cleavage Fracture in Low-carbon Steel with Ferrite Microstructure. ISIJ International. 62 [10] (2022) ISIJINT-2022-212 10.2355/isijinternational.isijint-2022-212 Open Access
  2. Hisashi Matsumiya, Akinobu Shibata, Yoshiaki Maegawa, Kazuho Okada, Nobuhiro Tsuji. Hydrogen-related Fatigue Fracture under Various Test Frequencies in Low-carbon Martensitic Steel. ISIJ International. 62 [10] (2022) ISIJINT-2022-210 10.2355/isijinternational.isijint-2022-210 Open Access
  3. Kazuho Okada, Akinobu Shibata, Wu Gong, Nobuhiro Tsuji. Effect of hydrogen on evolution of deformation microstructure in low-carbon steel with ferrite microstructure. Acta Materialia. 225 (2022) 117549 10.1016/j.actamat.2021.117549 Open Access
  4. Akinobu Shibata, Ivan Gutierrez-Urrutia, Kazuho Okada, Goro Miyamoto, Yazid Madi, Jacques Besson, Kaneaki Tsuzaki. Relationship between mechanical response and microscopic crack propagation behavior of hydrogen-related intergranular fracture in as-quenched martensitic steel. Materials Science and Engineering: A. 831 (2022) 142288 10.1016/j.msea.2021.142288
2021
  1. Kazuho Okada, Akinobu Shibata, Wu Gong, Nobuhiro Tsuji. Effect of Hydrogen on Evolution of Deformation Microstructure in Low-Carbon Steel with Ferrite Microstructure. SSRN Electronic Journal. (2021) 10.2139/ssrn.3844707
  2. Hisashi Matsumiya, Akinobu Shibata, Kazuho Okada, Nobuhiro Tsuji. Characteristics of hydrogen-related fatigue fracture in 2Mn-0.1C martensitic steel. International Journal of Hydrogen Energy. 46 [75] (2021) 37509-37517 10.1016/j.ijhydene.2021.09.011
  3. Kazuho Okada, Akinobu Shibata, Yasunari Takeda, Nobuhiro Tsuji. Crystallographic analysis of fatigue fracture initiation in 8Ni-0.1C martensitic steel. International Journal of Fatigue. 143 (2021) 105921 10.1016/j.ijfatigue.2020.105921 Open Access
2019
  1. Akinobu Shibata, Yazid Madi, Kazuho Okada, Nobuhiro Tsuji, Jacques Besson. Mechanical and microstructural analysis on hydrogen-related fracture in a martensitic steel. International Journal of Hydrogen Energy. 44 [54] (2019) 29034-29046 10.1016/j.ijhydene.2019.09.097
2018
  1. Kazuho Okada, Akinobu Shibata, Yasunari Takeda, Nobuhiro Tsuji. Crystallographic feature of hydrogen-related fracture in 2Mn-0.1C ferritic steel. International Journal of Hydrogen Energy. 43 [24] (2018) 11298-11306 10.1016/j.ijhydene.2018.05.011

書籍 TSV

会議録 TSV

口頭発表 TSV

2024
  1. SHIBATA, Akinobu, GUTIERREZ URRUTIA, Ivan, 中村 晶子, MORONAGA, Taku, OKADA, Kazuho, Yazid Madi, Jacques Besson, HARA, Toru. Local crack arrestability of hydrogen-related fracture in high-strength martensitic steel. The 7th International Symposium on Steel Science 2024 (ISSS). 2024 招待講演
  2. 柴田 曉伸, グティエレス ウルティア イヴァン, 中村 晶子, 諸永 拓, 岡田 和歩, 原 徹. マルテンサイト鋼の水素脆性き裂伝播挙動. 日本鉄鋼協会 第188回秋季講演大会. 2024
  3. 岡田 和歩, 津﨑 兼彰, 朴 明験, 柴田 曉伸. 低炭素マルテンサイト鋼における水素脆化感受性と局所応力集中の相関. 日本鉄鋼協会2024秋季（第188回）講演大会. 2024
  4. 柴田 曉伸, グティエレス ウルティア イヴァン, 中村 晶子, 諸永 拓, 岡田 和歩, 原 徹. マルテンサイト鋼における水素脆性破壊のマルチスケール解析. 日本金属学会2024年秋期（第175回）講演大会. 2024 招待講演
  5. 岡田 和歩, 仲川 枝里, 津﨑 兼彰, 柴田 曉伸. 予疲労変形を用いた潜在的き裂発生起点の選択的加工硬化による 1.6 GPa 級マルテンサイト鋼における表面疲労き裂発生の抑制. 日本鉄鋼協会2024（第188回)秋季講演大会. 2024
  6. SHIBATA, Akinobu, GUTIERREZ URRUTIA, Ivan, 中村 晶子, MORONAGA, Taku, OKADA, Kazuho, Yazid Madi, Jacques Besson, HARA, Toru. Local crack arrestablity of hydrogen-related intergranular fracture in as-quenched martensitic steel. European Conference on Fracture 2024. 2024 招待講演
  7. 伊東 達矢, OGAWA, Yuhei, Gong Wu, Mao Wenqi, 川崎 卓郎, OKADA, Kazuho, SHIBATA, Akinobu, Harjo Stefanus. In situ neutron diffraction analysis of the deformation mechanism in hydrogen-charged Fe-24Cr-19Ni-based austenitic stainless steel. The 24th European Conference on Fracture (ECF2024). 2024
  8. SHIBATA, Akinobu, 中村 晶子, MORONAGA, Taku, GUTIERREZ URRUTIA, Ivan, OKADA, Kazuho, Yazid Madi, Jacques Besson, HARA, Toru. Three-dimensional crack propagation behavior and deformation microstructure evolution of hydrogen-related fracture in martensitic steel. 3rd International Symposium on the Recent Developments in Plate Steels. 2024
  9. 岡田 和歩, 柴田 曉伸, 津﨑 兼彰. 予疲労変形を用いた1.6 GPa 級焼入れままマルテンサイト鋼の疲労限度向上. 日本鉄鋼協会2024春季講演大会. 2024
  10. 柴田 曉伸, グティエレス ウルティア イヴァン, 中村 晶子, 諸永 拓, 岡田 和歩, 原 徹. 高強度マルテンサイト鋼における水素脆性粒界破壊のマルチスケール解析. 日本鉄鋼協会 第187回春季講演大会. 2024
  11. 岡田 和歩, 柴田 曉伸, 松宮　久, 辻　伸泰. フェライト鋼の水素脆性擬へき開破壊機構. 日本鉄鋼協会2024春季講演大会. 2024 招待講演
  12. LAN, Xiaodong, OKADA, Kazuho, GUTIERREZ URRUTIA, Ivan, SHIBATA, Akinobu. Effect of prior austenite grain size on hydrogen embrittlement behavior in high-strength martensitic steel. 日本鉄鋼協会2024年春季（第187回）講演大会. 2024
2023
  1. OKADA, Kazuho, SHIBATA, Akinobu, SASAKI, Taisuke, 松宮久, HONO, Kazuhiro, 辻伸泰. Effect of carbon segregation at prior austenite grain boundary on the hydrogen embrittlement behavior in low-carbon martensitic steels. MRM2023. 2023
  2. SHIBATA, Akinobu, GUTIERREZ URRUTIA, Ivan, 中村 晶子, MORONAGA, Taku, OKADA, Kazuho, HARA, Toru. Three-dimensional analysis on hydrogen-related fracture in high-strength martensitic steel. MRM2023/IUMRS-ICA2023 . 2023 招待講演
  3. 柴田 曉伸, グティエレス ウルティア イヴァン, 中村 晶子, 諸永 拓, 岡田 和歩, 原 徹. 高強度マルテンサイト鋼の水素脆性粒界クラック. 日本機械学会 M&M2023 材料力学カンファレンス. 2023 招待講演
  4. 伊東達矢, 小川 祐平, Wu Gong, 川崎卓郎, 岡田 和歩, 柴田 曉伸, Stefanus Harjo. その場中性子回折による水素添加SUS310Sの変形メカニズム解析. 日本金属学会 2023年（第173回）秋期講演大会. 2023
  5. SHIBATA, Akinobu, GUTIERREZ URRUTIA, Ivan, 中村 晶子, MORONAGA, Taku, OKADA, Kazuho, Yazid Madi, Jacques Besson, HARA, Toru. Three-dimensional crack propagation behavior in hydrogen-related fracture of high-strength martensitic steel. International Hydrogen Conference. 2023
  6. LAN, Xiaodong, OKADA, Kazuho, GUTIERREZ URRUTIA, Ivan, SHIBATA, Akinobu. Strain localization and hydrogen-related fracture in martensitic steels investigated by combined digital image correlation and electron backscatter diffraction. 2023 International Hydrogen Conference. 2023
  7. OKADA, Kazuho, SHIBATA, Akinobu, SASAKI, Taisuke, 松宮久, HONO, Kazuhiro, 辻伸泰. Improvement of resistance against hydrogen embrittlement by increasing carbon segregation at prior austenite grain boundary in low-carbon martensitic steels. International Hydrogen Conference. 2023
  8. GUTIERREZ URRUTIA, Ivan, OKADA, Kazuho, SHIBATA, Akinobu. 3D Reconstruction of steel microstructures by 3D Laboratory Diffraction Contrast Tomography (Lab-DCT). 日本鉄鋼協会 第185回春季講演大会. 2023
  9. 柴田 曉伸, グティエレス ウルティア イヴァン, 中村 晶子, 諸永 拓, 岡田 和歩, 原 徹. マルテンサイト鋼の水素脆性クラック伝播に伴う変形下部組織発達. 日本鉄鋼協会 第185回春季講演大会. 2023 招待講演
  10. 岡田 和歩, 柴田 曉伸, 朴明験, 辻伸泰. 1.5 GPa 級マルテンサイト鋼における引張変形中の旧オーステナイト粒界への局所応力・ひずみ集中. 日本鉄鋼協会 第185回春季講演大会. 2023
2022
  1. LAN, Xiaodong, OKADA, Kazuho, GUTIERREZ URRUTIA, Ivan, SHIBATA, Akinobu. Quantitative analysis of local plasticity accompanying hydrogen-related fracture in martensitic steel. 日本鉄鋼協会 2022年秋季(第184回)講演大会. 2022
  2. 岡田 和歩, 柴田 曉伸, 辻 伸泰. 水素脆性擬へき開破壊のミクロメカニズム. 日本鉄鋼協会 2022年秋季(第184回)講演大会. 2022
  3. 岡田 和歩, 柴田 曉伸, 佐々木 泰祐, 宝野 和博, 辻 伸泰. 旧オーステナイト粒界への炭素偏析がマルテンサイト鋼の水素脆性破壊特性に及ぼす影響. 日本鉄鋼協会第184回秋季講演大会. 2022
  4. 岡田 和歩, 柴田 曉伸, 辻 伸泰. マルテンサイト鋼およびフェライト鋼における水素脆性擬へき開破壊の微視的特徴. 水素脆性擬へき開破壊のミクロメカニズム. 2022

その他の文献 TSV

2024
  1. OKADA, Kazuho, SHIBATA, Akinobu, Wu Gong, 辻伸泰. Effect of Hydrogen on Evolution of Deformation Microstructure in 2Mn-0.1C Ferritic Steel. MLF Annual Report 2022. 2 (2024) 7-9 Open Access

公開特許出願 TSV

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