HATAKEYAMA Tomotaka 畠山友孝

Researcher Number	80880278
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	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, 主任研究員 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 2020 – 2021: 国立研究開発法人物質・材料研究機構, 若手国際研究センター, ICYS研究員
Review Section/Research Field	Principal Investigator Basic Section 26040:Structural materials and functional materials-related / 0401:Materials engineering, chemical engineering, and related fields
Keywords	Principal Investigator クリープ / 析出 / 耐熱鋼 / ミクロ組織 / レーザー積層造形 / 寿命予測 / 時効 / 粒界 / 電子顕微鏡 / 微細組織

Research Projects
(3 results)
Research Products
(15 results)

Creep strength enhancement of ferritic heat-resistant steels via microstructure control through laser additive manufacturingPrincipal Investigator
- Principal Investigator
  
  畠山友孝
- Project Period (FY)
  2025 – 2029
- 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
Increase in creep life of advanced austenitic heat-resistant steels by controlling of precipitation microstructurePrincipal Investigator
- Principal Investigator
  
  Hatakeyama Tomotaka
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 26040:Structural materials and functional materials-related
- Research Institution
  National Institute for Materials Science
Elucidation of the abnormal creep deformation mechanism of advanced heat resistant steelsPrincipal Investigator
- Principal Investigator
  
  HATAKEYAMA Tomotaka
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0401:Materials engineering, chemical engineering, and related fields
- Research Institution
  National Institute for Materials Science

All 2024 2023 2022 2021

All Journal Article Presentation

[Journal Article] Precipitation behavior of the M23C6 phase on the coherent twin boundary of 25Cr-20Ni-Nb-N steel2024
- Author(s)
  Hatakeyama Tomotaka、Sawada Kota
- Journal Title
  
  Materials Letters
  
  Volume: 363 Pages: 136277-136277
- DOI
  10.1016/j.matlet.2024.136277
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14504
[Journal Article] Beneficial role of the grain boundary precipitates for intergranular creep fracture of 25Cr-20Ni-Nb-N steel2023
- Author(s)
  Hatakeyama Tomotaka、Sawada Kota、Sekido Kaoru、Kimura Kazuhiro
- Journal Title
  
  Materials Science and Engineering: A
  
  Volume: 882 Pages: 145487-145487
- DOI
  10.1016/j.msea.2023.145487
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14504
[Journal Article] 火SUS310J1TBのクリープ変形挙動に及ぼす析出組織の影響2023
- Author(s)
  畠山友孝、澤田浩太、関戸薫子、原徹、木村一弘
- Journal Title
  
  第60回記念　高温強度シンポジウム　前刷集
  
  Volume: 60 Pages: 31-35
- Data Source
  KAKENHI-PROJECT-22K14504
[Journal Article] Microstructural factors of the complex creep rate change in 18Cr-9Ni-3Cu-Nb-N steel2022
- Author(s)
  Hatakeyama Tomotaka、Sawada Kota、Sekido Kaoru、Hara Toru、Kimura Kazuhiro
- Journal Title
  
  Materials Science and Engineering: A
  
  Volume: 831 Pages: 142225-142225
- DOI
  10.1016/j.msea.2021.142225
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K22474
[Journal Article] Three-dimensional analysis of the precipitation behavior of 18Cr-9Ni-3Cu-Nb-N steel at 973 K2021
- Author(s)
  Hatakeyama Tomotaka、Sawada Kota、Hara Toru、Sekido Kaoru、Kimura Kazuhiro
- Journal Title
  
  Scripta Materialia
  
  Volume: 200 Pages: 113904-113904
- DOI
  10.1016/j.scriptamat.2021.113904
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K22474
[Journal Article] Influence of dynamic microstructural changes on the complex creep deformation behavior of 25Cr-20Ni-Nb-N steel at 873 K2021
- Author(s)
  Hatakeyama Tomotaka、Sawada Kota、Sekido Kaoru、Hara Toru、Kimura Kazuhiro
- Journal Title
  
  Materials Science and Engineering: A
  
  Volume: 814 Pages: 141270-141270
- DOI
  10.1016/j.msea.2021.141270
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K22474
[Presentation] 火SUS310J1TBの双晶境界におけるM23C6の時効中の析出挙動2024
- Author(s)
  畠山友孝, 澤田浩太
- Organizer
  日本鉄鋼協会2024年秋季（第188回）講演大会
- Data Source
  KAKENHI-PROJECT-22K14504
[Presentation] 火SUS310J1TBへの粒界工学の適用2024
- Author(s)
  関根沙文, 鴇田駿, 佐藤裕, 畠山友孝, 澤田浩太
- Organizer
  日本鉄鋼協会2024年秋季（第188回）講演大会
- Data Source
  KAKENHI-PROJECT-22K14504
[Presentation] 火SUS310J1TBのクリープ変形挙動に及ぼす粒界析出組織の影響2023
- Author(s)
  畠山友孝、澤田浩太、関戸薫子、原徹、木村一弘
- Organizer
  日本鉄鋼協会2023年春季（第185回）講演大会
- Data Source
  KAKENHI-PROJECT-22K14504
[Presentation] Effect of precipitation microstructure on the creep deformation behavior of 25Cr-20Ni-Nb-N steel2023
- Author(s)
  Tomotaka Hatakeyama, Kota Sawada, Kaoru Sekido, Toru Hara, Kazuhiro Kimura
- Organizer
  6th International Creep & Fracture Conference (ECCC2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14504
[Presentation] Effect of microstructure change on the creep deformation behavior of 18Cr-9Ni-3Cu-Nb-N steel2022
- Author(s)
  HATAKEYAMA, Tomotaka, SAWADA, Kota, HARA, Toru, SEKIDO, Kaoru, KIMURA, Kazuhiro
- Organizer
  ICAS2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14504
[Presentation] 火SUS310J1TBのクリープ変形挙動に及ぼす析出組織の影響2022
- Author(s)
  畠山友孝、澤田浩太、関戸薫子、原徹、木村一弘
- Organizer
  第60回記念　高温強度シンポジウム
- Data Source
  KAKENHI-PROJECT-22K14504
[Presentation] 25Cr-20Ni-Nb-N鋼のクリープ変形挙動に及ぼす析出組織の影響2022
- Author(s)
  畠山友孝、澤田浩太、関戸薫子、原徹、木村一弘
- Organizer
  2022年度「高温材料の変形と破壊」研究会
- Data Source
  KAKENHI-PROJECT-22K14504
[Presentation] 火SUS310J1TBのクリープ変形挙動に及ぼす動的組織変化の影響2021
- Author(s)
  畠山友孝, 澤田浩太, 関戸薫子, 原徹, 木村一弘
- Organizer
  第59回高温強度シンポジウム
- Data Source
  KAKENHI-PROJECT-20K22474
[Presentation] 火SUS304J1HTBの973 Kでの析出挙動の三次元観察2021
- Author(s)
  畠山友孝, 澤田浩太, 原徹, 関戸薫子, 木村一弘
- Organizer
  日本鉄鋼協会第182回秋季講演大会
- Data Source
  KAKENHI-PROJECT-20K22474

HATAKEYAMA Tomotaka 畠山 友孝

Research Projects

Research Products

Creep strength enhancement of ferritic heat-resistant steels via microstructure control through laser additive manufacturingPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Increase in creep life of advanced austenitic heat-resistant steels by controlling of precipitation microstructurePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidation of the abnormal creep deformation mechanism of advanced heat resistant steelsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Precipitation behavior of the M23C6 phase on the coherent twin boundary of 25Cr-20Ni-Nb-N steel2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Beneficial role of the grain boundary precipitates for intergranular creep fracture of 25Cr-20Ni-Nb-N steel2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 火SUS310J1TBのクリープ変形挙動に及ぼす析出組織の影響2023

Author(s)

Journal Title

Data Source

[Journal Article] Microstructural factors of the complex creep rate change in 18Cr-9Ni-3Cu-Nb-N steel2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Three-dimensional analysis of the precipitation behavior of 18Cr-9Ni-3Cu-Nb-N steel at 973 K2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Influence of dynamic microstructural changes on the complex creep deformation behavior of 25Cr-20Ni-Nb-N steel at 873 K2021

Author(s)

Journal Title

DOI

Data Source

[Presentation] 火SUS310J1TBの双晶境界におけるM23C6の時効中の析出挙動2024

Author(s)

Organizer

Data Source

[Presentation] 火SUS310J1TBへの粒界工学の適用2024

Author(s)

Organizer

Data Source

[Presentation] 火SUS310J1TBのクリープ変形挙動に及ぼす粒界析出組織の影響2023

Author(s)

Organizer

Data Source

[Presentation] Effect of precipitation microstructure on the creep deformation behavior of 25Cr-20Ni-Nb-N steel2023

Author(s)

Organizer

Data Source

[Presentation] Effect of microstructure change on the creep deformation behavior of 18Cr-9Ni-3Cu-Nb-N steel2022

Author(s)

Organizer

Data Source

[Presentation] 火SUS310J1TBのクリープ変形挙動に及ぼす析出組織の影響2022

Author(s)

Organizer

Data Source

[Presentation] 25Cr-20Ni-Nb-N鋼のクリープ変形挙動に及ぼす析出組織の影響2022

Author(s)

Organizer

Data Source

[Presentation] 火SUS310J1TBのクリープ変形挙動に及ぼす動的組織変化の影響2021

Author(s)

HATAKEYAMA Tomotaka 畠山友孝