OKADA Kazuho 岡田和歩

… Alternative Names

岡田和歩オカダカズホ

Less

Researcher Number	30964910
Other IDs
Affiliation (Current)	2026: 国立研究開発法人物質・材料研究機構, 構造材料研究センター, 主任研究員
Affiliation (based on the past Project Information) *help	2026: 国立研究開発法人物質・材料研究機構, 構造材料研究センター, 主任研究員 2024: 国立研究開発法人物質・材料研究機構, 構造材料研究センター, 主任研究員 2023: 国立研究開発法人物質・材料研究機構, 構造材料研究センター, 研究員
Review Section/Research Field	Principal Investigator Basic Section 26040:Structural materials and functional materials-related / Basic Section 26010:Metallic material properties-related
Keywords	Principal Investigator 透過電子顕微鏡 / 中性子回折 / 局所応力集中 / 粒界破壊 / 画像相関法 / マルテンサイト鋼 / 水素脆性破壊

予疲労変形によるき裂発生抑制を通じた水素ガス環境下における高強度鋼の疲労限度向上Principal Investigator
- Principal Investigator
  
  岡田和歩
- Project Period (FY)
  2026 – 2030
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 26040:Structural materials and functional materials-related
- Research Institution
  National Institute for Materials Science
Elucidating origin of the trade-off relationship between tensile strength and resistance to hydrogen embrittlement in martensitic steels from a view point of local deformation behaviorPrincipal Investigator
- Principal Investigator
  
  岡田和歩
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 26010:Metallic material properties-related
- Research Institution
  National Institute for Materials Science

All 2025 2024 2023

All Journal Article Presentation

[Journal Article] Origin of Serrated Markings on the Hydrogen Related Quasi-cleavage Fracture in Low-carbon Steel with Ferrite Microstructure2024
- Author(s)
  Okada Kazuho、Shibata Akinobu、Matsumiya Hisashi、Tsuji Nobuhiro
- Journal Title
  
  Tetsu-to-Hagane
  
  Volume: 110 Issue: 11 Pages: 890-898
- DOI
  10.2355/tetsutohagane.TETSU-2024-069
- ISSN
  0021-1575, 1883-2954
- Year and Date
  2024-09-01
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K13541
[Journal Article] Relationship between Three-dimensional Crack Morphology and Macroscopic Mechanical Properties of Hydrogen-related Fracture in Martensitic Steel2024
- Author(s)
  Shibata Akinobu、Madi Yazid、Besson Jacques、Nakamura Akiko、Moronaga Taku、Okada Kazuho、Gutierrez-urrutia Ivan、Hara Toru
- Journal Title
  
  ISIJ International
  
  Volume: 64 Issue: 4 Pages: 660-667
- DOI
  10.2355/isijinternational.ISIJINT-2023-316
- ISSN
  0915-1559, 1347-5460
- Year and Date
  2024-02-28
- Language
  English
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18910, KAKENHI-PROJECT-23K26410, KAKENHI-PROJECT-23K13541
[Journal Article] Effect of carbon segregation at prior austenite grain boundary on hydrogen-related crack propagation behavior in 3Mn-0.2C martensitic steels2024
- Author(s)
  Okada Kazuho、Shibata Akinobu、Kimura Yuuji、Yamaguchi Masatake、Ebihara Ken-ichi、Tsuji Nobuhiro
- Journal Title
  
  Acta Materialia
  
  Volume: 280 Pages: 120288-120288
- DOI
  10.1016/j.actamat.2024.120288
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K26410, KAKENHI-PROJECT-23K13541
[Journal Article] Real-time Observation of Stress-strain Behavior beyond Necking in Martensitic Steel by <i>in-situ</i> Synchrotron X-ray Diffraction2024
- Author(s)
  Lavakumar Avala、Hwang Sukyoung、Okada Kazuho、Park Myeong-heom、Chokshi Atul Haris、Tsuji Nobuhiro
- Journal Title
  
  ISIJ International
  
  Volume: 64 Issue: 12 Pages: 1847-1852
- DOI
  10.2355/isijinternational.ISIJINT-2024-093
- ISSN
  0915-1559, 1347-5460
- Year and Date
  2024-10-15
- Language
  English
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00234, KAKENHI-PROJECT-24K07214, KAKENHI-PROJECT-23K13541
[Journal Article] Quantitative analysis of local plasticity accompanying hydrogen-related fracture in low-carbon martensitic steel2024
- Author(s)
  Lan Xiaodong、Okada Kazuho、Gutierrrez-Urrutia Ivan、Shibata Akinobu
- Journal Title
  
  International Journal of Hydrogen Energy
  
  Volume: 50 Pages: 333-341
- DOI
  10.1016/j.ijhydene.2023.10.273
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K18910, KAKENHI-PROJECT-23K26410, KAKENHI-PROJECT-23K13541
[Journal Article] 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2024
- Author(s)
  岡田和歩
- Journal Title
  
  ふぇらむ
  
  Volume: 29 Pages: 602-607
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K13541
[Journal Article] Local crack arrestability and deformation microstructure evolution of hydrogen-related fracture in martensitic steel2024
- Author(s)
  Shibata Akinobu、Gutierrez-Urrutia Ivan、Nakamura Akiko、Moronaga Taku、Okada Kazuho、Madi Yazid、Besson Jacques、Hara Toru
- Journal Title
  
  Corrosion Science
  
  Volume: 233 Pages: 112092-112092
- DOI
  10.1016/j.corsci.2024.112092
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18910, KAKENHI-PROJECT-23K26410, KAKENHI-PROJECT-23K13541
[Journal Article] Exploring unusual L?ders deformation in ultrafine-grained high-Mn austenitic steel2024
- Author(s)
  Hwang Sukyoung、Kato Hirokazu、Okada Kazuho、Park Myeong-heom、Lavakumar Avala、Gholizadeh Reza、Adachi Hiroki、Sato Masugu、Tsuji Nobuhiro
- Journal Title
  
  Materials Research Letters
  
  Volume: 12 Issue: 8 Pages: 571-579
- DOI
  10.1080/21663831.2024.2359611
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00234, KAKENHI-PROJECT-24K07214, KAKENHI-PROJECT-23K13541, KAKENHI-PROJECT-23K20037
[Journal Article] Three-dimensional propagation behavior of hydrogen-related intergranular cracks in high-strength martensitic steel2023
- Author(s)
  Shibata Akinobu、Gutierrez-Urrutia Ivan、Nakamura Akiko、Okada Kazuho、Miyamoto Goro、Madi Yazid、Besson Jacques、Hara Toru、Tsuzaki Kaneaki
- Journal Title
  
  International Journal of Hydrogen Energy
  
  Volume: 48 Issue: 88 Pages: 34565-34574
- DOI
  10.1016/j.ijhydene.2023.05.211
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K13541
[Journal Article] Characteristics and formation mechanism of serrated markings on the hydrogen-related quasi-cleavage fracture in as quenched low-carbon martensitic steel2023
- Author(s)
  Okada Kazuho、Shibata Akinobu、Tsuji Nobuhiro
- Journal Title
  
  Scripta Materialia
  
  Volume: 234 Pages: 115568-115568
- DOI
  10.1016/j.scriptamat.2023.115568
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 旧γ粒界における局所塑性緩和能力に対応したマルテンサイト鋼の水素脆化感受性2025
- Author(s)
  岡田和歩 , 津﨑兼彰 , 朴明験 , 柴田曉伸
- Organizer
  日本鉄鋼協会2025春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 3D characterization and cohesive zone model analysis on hydrogen-related intergranular fracture in martensitic steel2025
- Author(s)
  Akinobu Shibata , Ivan Gutierrez-Urrutia , Akiko Nakamura , Taku , Moronaga , Kazuho Okada , Toru Hara , Yazid Madi , Jacques Besson
- Organizer
  TMS2025 154th Annual Meeting & Exhibition
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Improving hydrogen embrittlement resistance in high-strength martensitic steels via thermomechanical processing2025
- Author(s)
  蘭小東 , 岡田和歩 , 上路林太郎 , 柴田曉伸
- Organizer
  日本鉄鋼協会2025春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Doubling fatigue limit by eliminating crack embryo in 1.6 GPa-grade as-quenched martensitic steel2025
- Author(s)
  Kazuho Okada , Eri Nakagawa , Kaneaki Tsuzaki , Akinobu Shibata
- Organizer
  TMS2025 154th Annual Meeting & Exhibition
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 水素脆性粒界破壊のCohesive zone model シミュレーション2025
- Author(s)
  柴田曉伸 , I. Gutierrez-Urrutia , 中村晶子 , 諸永拓 , 岡田和歩 , 原徹
- Organizer
  日本鉄鋼協会2025春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] オースフォームを利用したパーライトノジュールの微細化2025
- Author(s)
  上路林太郎 , 柴田曉伸 , 江村聡 , 岡田和歩
- Organizer
  日本鉄鋼協会2025春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Exploring unusual Luders deformation in UFG high-Mn austenitic steel2025
- Author(s)
  Sukyoung Hwang , Hirokazu Kato , Kazuho Okada , Myeong-Heom Park , Nobuhiro Tsuji
- Organizer
  TMS2025 154th Annual Meeting & Exhibition
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] In situ neutron diffraction study to elucidate hydrogen effect on the deformation mechanism in Type 310S austenitic stainless steel2024
- Author(s)
  Tatsuya Ito , Yuhei Ogawa , Wu Gong , Wenqi Mao , Takuro Kawasaki , Kazuho Okada , Akinobu Shibata , Stefanus Harjo
- Organizer
  The 7th International Symposium on Steel Science 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] フェライト鋼の水素脆性擬へき開破壊機構2024
- Author(s)
  岡田和歩 , 柴田曉伸 , 松宮久 , 辻伸泰
- Organizer
  日本鉄鋼協会2024春季講演大会
- Invited
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Effect of prior austenite grain size on hydrogen embrittlement behavior in high-strength martensitic steel2024
- Author(s)
  蘭小東 , 岡田和歩 , グティエレスウルティアイヴァン , 柴田曉伸
- Organizer
  日本鉄鋼協会2024春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Local crack arrestablity of hydrogen-related intergranular fracture in as-quenched martensitic steel2024
- Author(s)
  Akinobu Shibata , Ivan Gutierrez-Urrutia , Akiko Nakamura , Taku Moronaga , Kazuho Okada , Yazid Madi , Jacques Besson , Toru Hara
- Organizer
  European Conference on Fracture (ECF) 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Improvement of fatigue limit by pre-fatigue deformation in 1.6 GPa-grade as-quenched martensitic steel2024
- Author(s)
  Kazuho Okada , Eri Nakagawa , Kaneaki Tsuzaki , Akinobu Shibata
- Organizer
  The 7th International Symposium on Steel Science 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 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2024
- Author(s)
  岡田和歩 , 津﨑兼彰 , 朴明験 , 柴田曉伸
- Organizer
  日本鉄鋼協会2024秋季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 焼戻しマルテンサイト鋼の水素脆性破壊挙動におよぼす炭化物形態の影響2024
- Author(s)
  仲川枝里 , 岡田和歩 , 柴田曉伸
- Organizer
  日本鉄鋼協会2024春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 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2024
- Author(s)
  柴田曉伸 , Ivan Gutierrez-Urrutia , 中村晶子 , 諸永拓 , 岡田和歩 , 原徹
- Organizer
  日本金属学会2024秋季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 焼戻しマルテンサイト鋼の水素脆性破壊挙動におよぼす炭化物形態の影響2024
- Author(s)
  仲川枝里 , 岡田和歩 , 佐々木泰祐 , 遠藤一輝 , 柴田曉伸
- Organizer
  日本鉄鋼協会2024秋季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Three-dimensional crack propagation behavior and deformation microstructure evolution of hydrogen-related fracture in martensitic steel2024
- Author(s)
  柴田曉伸 , 中村晶子 , 諸永拓 , グティエレス , ウルティアイヴァン , 岡田和歩 , Yazid Madi , Jacques Besson , 原徹
- Organizer
  3rd International Symposium on the Recent Developments in Plate Steels
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Local crack arrestability of hydrogen-related fracture in high-strength martensitic steel2024
- Author(s)
  Akinobu Shibata , Ivan Gutierrez-Urrutia , Akiko Nakamura , Taku Moronaga , Kazuho Okada , Yazid Madi , Jacques Besson , Toru Hara
- Organizer
  The 7th International Symposium on Steel Science 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] マルテンサイト鋼の水素脆性き裂伝播挙動2024
- Author(s)
  柴田曉伸 , Ivan Gutierrez-Urrutia , 中村晶子 , 諸永拓 , 岡田和歩 , 原徹
- Organizer
  日本鉄鋼協会2024秋季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 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2024
- Author(s)
  柴田曉伸 , I. Gutierrez-Urrutia , 中村晶子 , 諸永拓 , 岡田和歩 , 原徹
- Organizer
  日本鉄鋼協会2024春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 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2024
- Author(s)
  岡田和歩 , 仲川枝里 , 津﨑兼彰 , 柴田曉伸
- Organizer
  日本鉄鋼協会2024秋季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 予疲労変形を用いた1.6GPa級焼入れままマルテンサイト鋼の疲労限度向上2024
- Author(s)
  岡田和歩 , 柴田曉伸 , 津﨑兼彰
- Organizer
  日本鉄鋼協会2024春季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] In situ neutron diffraction analysis of the deformation mechanism in Hydrogen-charged Fe-24Cr-19Ni-based austenitic stainless steel2024
- Author(s)
  T. Ito , Y. Ogawa , W. Gong , W. Mao , T. Kawasaki , K. Okada , A. Shibata , S. Harjo
- Organizer
  European Conference on Fracture (ECF) 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Strain localization and hydrogen-related fracture in martensitic steels investigated by combined digital image correlation and electron backscatter diffraction2023
- Author(s)
  Xiaodong Lan , Kazuho Okada , Ivan Gutierrrez-Urrutia , Akinobu Shibata
- Organizer
  International Hydrogen Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 高強度マルテンサイト鋼の水素脆性粒界クラック2023
- Author(s)
  柴田曉伸 , Gutierrrez-Urrutia Ivan , 中村晶子 , 諸永拓 , 岡田和歩 , 原徹
- Organizer
  日本機械学会 M&M2023 材料力学カンファレンス
- Invited
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Three-dimensional crack propagation behavior in hydrogen-related fracture of high-strength martensitic steel2023
- Author(s)
  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 , Yazid Madi , Jacques Besson , 原徹
- Organizer
  International Hydrogen Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Effect of carbon segregation at prior austenite grain boundary on the hydrogen embrittlement behavior in low-carbon martensitic steels2023
- Author(s)
  Kazuho Okada , Akinobu Shibata , Taisuke Sasaki , Hisashi Matsumiya , Kazuhiro Hono , Nobuhiro Tsuji
- Organizer
  MRM2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Improvement of resistance against hydrogen embrittlement by increasing carbon segregation at prior austenite grain boundary in low-carbon martensitic steels2023
- Author(s)
  Kazuho Okada , Akinobu Shibata , Taisuke Sasaki , Hisashi Matsumiya , Kazuhiro Hono , Nobuhiro Tsuji
- Organizer
  International Hydrogen Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] 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2023
- Author(s)
  伊東達矢 , 小川祐平 , ゴンウー , 川崎卓郎 , 岡田和歩 , 柴田曉伸 , ハルヨステファヌス
- Organizer
  日本金属学会2023秋季講演大会
- Data Source
  KAKENHI-PROJECT-23K13541
[Presentation] Three-dimensional analysis on hydrogen-related fracture in high-strength martensitic steel2023
- Author(s)
  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
- Organizer
  MRM2023
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13541

1. 柴田暁伸

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results
2. 辻伸泰

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

OKADA Kazuho 岡田 和歩

岡田 和歩 オカダ カズホ

Research Projects

Research Products

Co-Researchers

予疲労変形によるき裂発生抑制を通じた水素ガス環境下における高強度鋼の疲労限度向上Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidating origin of the trade-off relationship between tensile strength and resistance to hydrogen embrittlement in martensitic steels from a view point of local deformation behaviorPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Origin of Serrated Markings on the Hydrogen Related Quasi-cleavage Fracture in Low-carbon Steel with Ferrite Microstructure2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Relationship between Three-dimensional Crack Morphology and Macroscopic Mechanical Properties of Hydrogen-related Fracture in Martensitic Steel2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Effect of carbon segregation at prior austenite grain boundary on hydrogen-related crack propagation behavior in 3Mn-0.2C martensitic steels2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Real-time Observation of Stress-strain Behavior beyond Necking in Martensitic Steel by <i>in-situ</i> Synchrotron X-ray Diffraction2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Quantitative analysis of local plasticity accompanying hydrogen-related fracture in low-carbon martensitic steel2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 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2024

Author(s)

Journal Title

Data Source

[Journal Article] Local crack arrestability and deformation microstructure evolution of hydrogen-related fracture in martensitic steel2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Exploring unusual L?ders deformation in ultrafine-grained high-Mn austenitic steel2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Three-dimensional propagation behavior of hydrogen-related intergranular cracks in high-strength martensitic steel2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Characteristics and formation mechanism of serrated markings on the hydrogen-related quasi-cleavage fracture in as quenched low-carbon martensitic steel2023

Author(s)

Journal Title

DOI

Data Source

[Presentation] 旧γ粒界における局所塑性緩和能力に対応したマルテンサイト鋼の水素脆化感受性2025

Author(s)

Organizer

Data Source

[Presentation] 3D characterization and cohesive zone model analysis on hydrogen-related intergranular fracture in martensitic steel2025

OKADA Kazuho 岡田和歩

岡田和歩オカダカズホ