Ogawa Yuhei 小川祐平

Researcher Number	30847207
Other IDs
Affiliation (Current)	2025: 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
Affiliation (based on the past Project Information) *help	2023 – 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, 研究員 2022: 国立研究開発法人物質・材料研究機構, 構造材料研究拠点, 研究員 2019 – 2021: 九州大学, 工学研究院, 助教
Review Section/Research Field	Principal Investigator Basic Section 18010:Mechanics of materials and materials-related / 0301:Mechanics of materials, production engineering, design engineering, fluid engineering, thermal engineering, mechanical dynamics, robotics, aerospace engineering, marine and maritime engineering, and related fields
Keywords	Principal Investigator 水素 / 転位 / 熱活性化過程 / オーステナイト鋼 / 固溶強化 / 鉄鋼材料 / 水素脆化 / 強度・延性バランス / 合金成分 / 元素拡散 … More / 変形双晶 / 強度・延性 / オーステナイト / 電子顕微鏡 / BCC鉄鋼材料 / トラップサイト / 温度 / 粒界破壊 / BCC鉄 / 塑性域 / 疲労き裂進展 / 変形・破壊 / 疲労き裂伝播 / 水素エネルギー Less

水素固溶下におけるFe-Cr-Niオーステナイト合金高強度化の新学理Principal Investigator
- Principal Investigator
  
  小川祐平
- Project Period (FY)
  2024 – 2025
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 18010:Mechanics of materials and materials-related
- Research Institution
  National Institute for Materials Science
Utilization of Hydrogen as an Alloying Element: New Frontier in Hydrogen Resistant Austenitic SteelsPrincipal Investigator
- Principal Investigator
  
  Ogawa Yuhei
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 18010:Mechanics of materials and materials-related
- Research Institution
  National Institute for Materials Science
  Kyushu University
Comprehensive understanding of the mechanisms of hydrogen-assisted fatigue crack propagation in BCC steels based on hydrogen-dislocation interactionsPrincipal Investigator
- Principal Investigator
  
  Ogawa Yuhei
- Project Period (FY)
  2019 – 2020
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0301:Mechanics of materials, production engineering, design engineering, fluid engineering, thermal engineering, mechanical dynamics, robotics, aerospace engineering, marine and maritime engineering, and related fields
- Research Institution
  Kyushu University

All 2024 2023 2022 2020

All Journal Article Presentation

[Journal Article] Temperature-sensitive ductilization in hydrogen-alloyed Fe-Cr-Ni austenitic steel by enhanced deformation twinning2024
- Author(s)
  Ogawa Yuhei
- Journal Title
  
  Scripta Materialia
  
  Volume: 238 Pages: 115760-115760
- DOI
  10.1016/j.scriptamat.2023.115760
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K14045
[Journal Article] The contribution of Cr and Ni to hydrogen absorption energy in Fe-Cr-Ni austenitic systems: A first-principles study2024
- Author(s)
  Moriyama Junichiro、Takakuwa Osamu、Yamaguchi Masatake、Ogawa Yuhei、Tsuzaki Kaneaki
- Journal Title
  
  Computational Materials Science
  
  Volume: 232 Pages: 112650-112650
- DOI
  10.1016/j.commatsci.2023.112650
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04702, KAKENHI-PROJECT-21K14045
[Journal Article] Hydrogen-enhanced deformation twinning in Fe-Cr-Ni-based austenitic steel characterized by in-situ EBSD observation2023
- Author(s)
  Ogawa Yuhei、Nishida Haruki、Takakuwa Osamu、Tsuzaki Kaneaki
- Journal Title
  
  Materials Today Communications
  
  Volume: 34 Pages: 105433-105433
- DOI
  10.1016/j.mtcomm.2023.105433
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K14045
[Journal Article] Solid-solution hardening by hydrogen in Fe-Cr-Ni-based austenitic steel: Temperature and strain rate effects2023
- Author(s)
  Ogawa Yuhei、Takakuwa Osamu、Tsuzaki Kaneaki
- Journal Title
  
  Materials Science and Engineering: A
  
  Volume: 879 Pages: 145281-145281
- DOI
  10.1016/j.msea.2023.145281
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K04702, KAKENHI-PROJECT-21K14045
[Journal Article] 水素を利用した高強度・高延性構造用合金の創製およびこれに関わる新知見2022
- Author(s)
  小川祐平
- Journal Title
  
  まてりあ
  
  Volume: 掲載決定済み
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K14045
[Journal Article] Chemical composition dependence of the strength and ductility enhancement by solute hydrogen in Fe-Cr-Ni-based austenitic alloys2022
- Author(s)
  Nishida Haruki、Ogawa Yuhei、Tsuzaki Kaneaki
- Journal Title
  
  Materials Science and Engineering: A
  
  Volume: 836 Pages: 142681-142681
- DOI
  10.1016/j.msea.2022.142681
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K04702, KAKENHI-PROJECT-21K14045
[Journal Article] Hydrogen-assisted, intergranular, fatigue crack-growth in ferritic iron: Influences of hydrogen-gas pressure and temperature variation2020
- Author(s)
  Ogawa Yuhei、Umakoshi Kensuke、Nakamura Masami、Takakuwa Osamu、Matsunaga Hisao
- Journal Title
  
  International Journal of Fatigue
  
  Volume: 140 Pages: 105806-105806
- DOI
  10.1016/j.ijfatigue.2020.105806
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23503
[Presentation] 水素固溶下におけるオーステナイト鋼の強度・変形特性2023
- Author(s)
  小川祐平
- Organizer
  日本機械学会 M&M2023 材料力学シンポジウム
- Data Source
  KAKENHI-PROJECT-21K14045
[Presentation] Fe-Ni-Crオーステナイト鋼における水素誘起TWIP効果の現象論2023
- Author(s)
  小川祐平
- Organizer
  日本鉄鋼協会第186回秋季講演大会
- Data Source
  KAKENHI-PROJECT-21K14045
[Presentation] 繰返し応力緩和試験によるオーステナイト鋼中の水素-転位間相互作用の解析2023
- Author(s)
  藤田洸, 小川祐平
- Organizer
  日本鉄鋼協会第185回春季講演大会
- Data Source
  KAKENHI-PROJECT-21K14045
[Presentation] 水素固溶を利用した鉄鋼材料の高強度・高延性化2023
- Author(s)
  小川祐平
- Organizer
  日本機械学会 M&M・CMD若手シンポジウム2023
- Data Source
  KAKENHI-PROJECT-21K14045
[Presentation] Thermally Activated Dislocation Motion in Fe-Cr-Ni Austenitic Steel with Solute Hydrogen2023
- Author(s)
  Takeshi Fujita, Yuhei Ogawa
- Organizer
  MRM2023/IUMRS-ICA2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14045
[Presentation] Fe-Ni-Crオーステナイト鋼における水素誘起変形双晶の連続EBSD観察2023
- Author(s)
  小川祐平, 西田会希, 高桑脩, 津﨑兼彰
- Organizer
  日本鉄鋼協会第186回秋季講演大会
- Data Source
  KAKENHI-PROJECT-21K14045
[Presentation] オーステナイト鋼の機械的特性に対する固溶水素の役割～脆化元素および高強度・高延性化元素としての2つの側面～2022
- Author(s)
  小川祐平, 高桑脩, 津﨑兼彰
- Organizer
  日本溶射学会第2回合同支部講演会
- Invited
- Data Source
  KAKENHI-PROJECT-21K14045
[Presentation] オーステナイト鋼における水素による固溶強化の元素濃度・試験温度依存性2022
- Author(s)
  小川祐平, 高桑脩, 津﨑兼彰
- Organizer
  日本鉄鋼協会第184回秋季講演大会
- Data Source
  KAKENHI-PROJECT-21K14045

1. TSUZAKI Kaneaki

# of Collaborated Projects: 0 results

# of Collaborated Products: 3 results

Ogawa Yuhei 小川 祐平

Research Projects

Research Products

Co-Researchers

水素固溶下におけるFe-Cr-Niオーステナイト合金高強度化の新学理Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Utilization of Hydrogen as an Alloying Element: New Frontier in Hydrogen Resistant Austenitic SteelsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Comprehensive understanding of the mechanisms of hydrogen-assisted fatigue crack propagation in BCC steels based on hydrogen-dislocation interactionsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Temperature-sensitive ductilization in hydrogen-alloyed Fe-Cr-Ni austenitic steel by enhanced deformation twinning2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The contribution of Cr and Ni to hydrogen absorption energy in Fe-Cr-Ni austenitic systems: A first-principles study2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Hydrogen-enhanced deformation twinning in Fe-Cr-Ni-based austenitic steel characterized by in-situ EBSD observation2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Solid-solution hardening by hydrogen in Fe-Cr-Ni-based austenitic steel: Temperature and strain rate effects2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 水素を利用した高強度・高延性構造用合金の創製およびこれに関わる新知見2022

Author(s)

Journal Title

Data Source

[Journal Article] Chemical composition dependence of the strength and ductility enhancement by solute hydrogen in Fe-Cr-Ni-based austenitic alloys2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Hydrogen-assisted, intergranular, fatigue crack-growth in ferritic iron: Influences of hydrogen-gas pressure and temperature variation2020

Author(s)

Journal Title

DOI

Data Source

[Presentation] 水素固溶下におけるオーステナイト鋼の強度・変形特性2023

Author(s)

Organizer

Data Source

[Presentation] Fe-Ni-Crオーステナイト鋼における水素誘起TWIP効果の現象論2023

Author(s)

Organizer

Data Source

[Presentation] 繰返し応力緩和試験によるオーステナイト鋼中の水素-転位間相互作用の解析2023

Author(s)

Organizer

Data Source

[Presentation] 水素固溶を利用した鉄鋼材料の高強度・高延性化2023

Author(s)

Organizer

Data Source

[Presentation] Thermally Activated Dislocation Motion in Fe-Cr-Ni Austenitic Steel with Solute Hydrogen2023

Author(s)

Organizer

Data Source

[Presentation] Fe-Ni-Crオーステナイト鋼における水素誘起変形双晶の連続EBSD観察2023

Author(s)

Organizer

Data Source

Ogawa Yuhei 小川祐平

[Presentation] オーステナイト鋼の機械的特性に対する固溶水素の役割～脆化元素および高強度・高延性化元素としての2つの側面～2022