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SEKIDO NOBUAKI  関戸 信彰

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SEKIDO Nobuaki  関戸 信彰

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Researcher Number 10462516
Other IDs
Affiliation (Current) 2025: 東北大学, 工学研究科, 准教授
Affiliation (based on the past Project Information) *help 2022 – 2024: 東北大学, 工学研究科, 准教授
2018 – 2019: 東北大学, 工学研究科, 准教授
2017: 国立研究開発法人物質・材料研究機構, 構造材料研究拠点, 主任研究員
2017: 東北大学, 大学院工学研究科, 准教授
2016: 東北大学, 工学研究科, 准教授 … More
2015: 国立研究開発法人物質・材料研究機構, 構造材料ユニット, 主任研究員
2015: 国立研究開発法人物質・材料研究機構, 構造材料研究拠点, 主任研究員
2013 – 2014: 独立行政法人物質・材料研究機構, その他部局等, その他
2013: 独立行政法人物質・材料研究機構, 元素戦略材料センター, 主任研究員
2012: 独立行政法人物質・材料研究機構, その他部局等, 主任研究員
2009: National Institute for Materials Science, 環境・エネルギー材料萌芽ラボ, 主任研究員
2009: National Institute for Materials Science, 環境・エネルギー材料萌芽ラボ, 主任研究員
2008: National Institute for Materials Science, 材料ラボ, 主任研究員 Less
Review Section/Research Field
Principal Investigator
Basic Section 26040:Structural materials and functional materials-related / Medium-sized Section 26:Materials engineering and related fields / Physical properties of metals/Metal-base materials / Physical properties of metals / Structural/Functional materials
Except Principal Investigator
Physical properties of metals/Metal-base materials / Structural/Functional materials
Keywords
Principal Investigator
拡散 / 軽元素 / ボロン / 固溶限 / 鉄鋼 / グロー放電発光分光分析 / 金属物性 / 固相反応 / 金属3Dプリンティング / 酸化物分散強化合金 … More / 反応焼結 / 積層造形 / 内部酸化 / 粉末冶金 / 酸化物分散強化合 / FDM方式 / 析出 / 酸化物分散強化型合金 / 積層造形技術 / 3Dプリンタ / 高周波グロー放電発光分光分析 / rf-GD-OES / 定量分析 / 拡散係数 / 鉄鋼材料 / 高周波 グロー放電発光分光分析 / 鋼 / 固溶度 / 軽元素分析 / 状態図 / 白金族金属 / 元素戦略 / 格子欠陥 / 界面構造 / 表面処理 / 高温材料 … More
Except Principal Investigator
金属物性 / 状態図 / 計算材料科学 / 鉄鋼材料 / 拡散 / 格子欠陥 / Fe基合金 / 透過電子顕微鏡 / 塑性変形 / 構造材料 / ナノインデンテーション / 結晶粒径 / 粒界 / 転位 / Fe基合金 Less
  • Research Projects

    (7 results)
  • Research Products

    (45 results)
  • Co-Researchers

    (11 People)
  •  Development of a novel fabrication process for oxide-dispersion strengthened alloy via 3D printingPrincipal Investigator

    • Principal Investigator
      関戸 信彰
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 26040:Structural materials and functional materials-related
    • Research Institution
      Tohoku University
  •  Measurement of the impurity diffusion coefficient of B in Fe by the deboronizing methodPrincipal Investigator

    • Principal Investigator
      Sekido Nobuaki
    • Project Period (FY)
      2018 – 2019
    • Research Category
      Grant-in-Aid for Challenging Research (Exploratory)
    • Review Section
      Medium-sized Section 26:Materials engineering and related fields
    • Research Institution
      Tohoku University
  •  Dislocation theory model for local deformation behavior in bcc metal through TEM in-situ straining technique

    • Principal Investigator
      Ohmura Takahito
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Structural/Functional materials
    • Research Institution
      National Institute for Materials Science
  •  Solubility and diffusivity of Boron in IronPrincipal Investigator

    • Principal Investigator
      Sekido Nobuaki
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Physical properties of metals/Metal-base materials
    • Research Institution
      Tohoku University
      National Institute for Materials Science
  •  Structure and diffusion of boron dissolved in alpha iron: an integrated approach of first-principle calculation and experiment

    • Principal Investigator
      Numakura Hiroshi
    • Project Period (FY)
      2014 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Physical properties of metals/Metal-base materials
    • Research Institution
      Osaka Prefecture University
  •  Establishment of a novel methodology for the determination of the solubility limits in metallic solid solutions.Principal Investigator

    • Principal Investigator
      SEKIDO Nobuaki
    • Project Period (FY)
      2012 – 2013
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Physical properties of metals
    • Research Institution
      National Institute for Materials Science
  •  Diffusion behavior of interstitials in platinum-metal-group metalsPrincipal Investigator

    • Principal Investigator
      SEKIDO Nobuaki
    • Project Period (FY)
      2008 – 2009
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Structural/Functional materials
    • Research Institution
      National Institute for Materials Science

All 2024 2023 2022 2020 2019 2017 2016 2014 2013 2010 2009 2008

All Journal Article Presentation Patent

  • [Journal Article] Precipitation Behavior of M<sub>23</sub>C<sub>6</sub> and Fe<sub>2</sub>W in 9Cr3W3CoVNbBN Steel during Tempering in the Temperature Range of 500–790°C2024

    • Author(s)
      Osanai Takumi、Sekido Nobuaki、Yonemura Mitsuharu、Maruyama Kouichi、Yoshimi Kyosuke
    • Journal Title

      ISIJ International

      Volume: 64 Issue: 2 Pages: 286-294

    • DOI

      10.2355/isijinternational.ISIJINT-2023-125

    • ISSN
      0915-1559, 1347-5460
    • Year and Date
      2024-01-30
    • Language
      English
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Journal Article] Evaluation of Boron Solubility in Iron Solid Solution by Radio-frequency Glow-discharge Optical Emission Spectroscopy2020

    • Author(s)
      Sekido Nobuaki、Kimura Yuta、Osanai Takumi、Miyagi Toshimi、Numakura Hiroshi、Yoshimi Kyosuke
    • Journal Title

      Tetsu-to-Hagane

      Volume: 106 Issue: 6 Pages: 292-301

    • DOI

      10.2355/tetsutohagane.TETSU-2019-114

    • NAID

      130007849755

    • ISSN
      0021-1575, 1883-2954
    • Language
      Japanese
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K18930
  • [Journal Article] MICROSTRUCTURE EVOLUTION IN A HIGH-BORON FERRITIC STEEL DURING CREEP AT 650°C2019

    • Author(s)
      Nobuaki Sekido、Tomoyuki Hatta、Kouichi Maruyama、Kyosuke Yoshim、Mitsuharu Yonemura
    • Journal Title

      Proceedings from EPRI’s 9th International Conference on Advances in Materials Technology for Fossil Power Plants and the 2nd International 123HiMAT Conference on High-Temperature Materials

      Volume: 1 Pages: 156-161

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K18930
  • [Journal Article] Mechanical properties and dislocation character of YB4 and YB62017

    • Author(s)
      Nobuaki Sekido, Takahito Ohmura, John H. Perepezko
    • Journal Title

      Intermetallics

      Volume: 印刷中

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26420670
  • [Journal Article] Stability of the Nb5Si3 phase in the Nb-Mo-Si system2013

    • Author(s)
      N. Sekido, K. Hildal, R. Sakidja, Perepezko
    • Journal Title

      Intermetallics

      Volume: 41 Pages: 104-112

    • DOI

      10.1016/j.intermet.2013.04.023

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Journal Article] Second Phase Precipitation within a Laves Phase in the Ir-Y Binary System2010

    • Author(s)
      N. Sekido, Y. Yamabe-Mitarai
    • Journal Title

      Materials Science Forum 638-642

      Pages: 1400-1405

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Journal Article] Growth behavior and interfacial character of Ir3Y precipitates in the Ir2Y Lave phase matrix2010

    • Author(s)
      N. Sekido, Y. Yamabe-Mitarai
    • Journal Title

      Mater. Trans. 51

      Pages: 447-454

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Journal Article] Second Phase Precipitation within a Laves Phase in the Ir-Y Binary System2010

    • Author(s)
      Nobuaki Sekido, Yoko Yamabe-Mitarai
    • Journal Title

      Materials Science Forum 638-642

      Pages: 1400-1405

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Journal Article] Growth behavior and interfacial character of Ir3Y precipitates in the Ir2Y Lave phase matrix2010

    • Author(s)
      Nobuaki Sekido, Yoko Yamabe-Mitarai
    • Journal Title

      Materials Transaction 51

      Pages: 447-454

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Journal Article] Development of porous ceramics layers through sublimation of metallic phases2009

    • Author(s)
      N. Sekido, Y. Yamabe-Mitarai
    • Journal Title

      International Journal of Refractory Metals and Hard Materials 27

      Pages: 907-911

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Journal Article] Development of porous ceramics layers through sublimation of metallic phases2009

    • Author(s)
      Nobuaki Sekido, Yoko Yamabe-Mitarai
    • Journal Title

      International Journal of Refractory Metals and Hard Materials 27

      Pages: 907-911

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Journal Article] Phase equilibria and oxidation behavior of Ir-rich Ir-Y binary alloys2009

    • Author(s)
      N. Sekido, H. Murakami, Y. Yamabe-Mitarai
    • Journal Title

      Journal of Alloys and Compounds 476

      Pages: 107-112

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Journal Article] Phase equilibria and oxidation behavior of Ir-rich Ir-Y binary alloys2009

    • Author(s)
      Nobuaki Sekido
    • Journal Title

      Journal of Alloys and Compounds 476

      Pages: 107-112

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Patent] 多孔質セラミックとその製造方法2008

    • Inventor(s)
      関戸信彰/御手洗容子
    • Industrial Property Rights Holder
      (独)物質・材料研究機構
    • Industrial Property Number
      2008-194565
    • Filing Date
      2008-07-29
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Presentation] 固相反応を利用したNi基ODS合金の作製と高温強度2024

    • Author(s)
      関戸信彰、増本玲
    • Organizer
      日本鉄鋼協会 組織と特性部会フォーラム「2050年エネルギー変革に向けた耐熱金属材料の信頼性評価」
    • Invited
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Presentation] Fe-Al二元系並びにFe-Cr-Al三元系内γFe固溶体中におけるAlの拡散性2023

    • Author(s)
      海藤皇成、関戸信彰、吉見享祐
    • Organizer
      日本金属学会微小領域の力学特性評価とマルチスケールモデリング研究会
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Presentation] 固相反応によるNi基酸化物分散強化型合金の新規創製法の開発2023

    • Author(s)
      増本玲、関戸信彰、吉見享祐
    • Organizer
      日本鉄鋼協会 第186回秋季講演大会
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Presentation] Fe-Al二元系並びにFe-Cr-Al三元系内γFe固溶体中におけるAlの拡散性2023

    • Author(s)
      海藤皇成、関戸信彰、吉見享祐
    • Organizer
      日本鉄鋼協会 第186回秋季講演大会
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Presentation] ZrSi2の高温酸化挙動に及ぼす元素添加の影響2022

    • Author(s)
      関戸信彰, 大関啓吾, 髙草木寧緒, 吉見享祐
    • Organizer
      日本金属学会 2023年春期(第172回)講演大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Presentation] ナノインデンテーション法を用いたMAX相Ti2AlCの塑性異方性の評価2022

    • Author(s)
      関戸信彰
    • Organizer
      粉体粉末冶金協会2022年度秋季大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Presentation] ZrSi2の酸化皮膜形成挙動に及ぼす第三元素添加の影響2022

    • Author(s)
      大関啓吾, 関戸信彰, 吉見享祐
    • Organizer
      日本金属学会 2022年秋期(第171回)講演大会
    • Data Source
      KAKENHI-PROJECT-23K23069
  • [Presentation] α-Fe中におけるBの固溶度と拡散性に関する実験的研究2019

    • Author(s)
      小山内匠、関戸信彰、吉見享祐
    • Organizer
      日本鉄鋼協会 第178回秋季講演大会
    • Data Source
      KAKENHI-PROJECT-18K18930
  • [Presentation] MICROSTRUCTURE EVOLUTION IN A HIGH-BORON FERRITIC STEEL DURING CREEP AT 650°C2019

    • Author(s)
      Nobuaki Sekido、Tomoyuki Hatta、Kouichi Maruyama、Kyosuke Yoshim、Mitsuharu Yonemura
    • Organizer
      2nd International 123HiMAT Conference on High-Temperature Materials
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18930
  • [Presentation] γ鉄におけるBの固溶限と拡散性2019

    • Author(s)
      関戸信彰, 木村勇太, 宮城俊美, 沼倉宏, 吉見享祐
    • Organizer
      日本鉄鋼協会第177回春季講演大会
    • Data Source
      KAKENHI-PROJECT-18K18930
  • [Presentation] 650℃と700℃でクリープ変形したB添加9Cr鋼の組織変化2019

    • Author(s)
      関戸信彰、八田智之、土屋裕祐、丸山公一、吉見享祐、米村光治
    • Organizer
      日本鉄鋼協会 第178回秋季講演大会
    • Data Source
      KAKENHI-PROJECT-18K18930
  • [Presentation] γ鉄における B の固溶限と拡散性2019

    • Author(s)
      関戸信彰、木村勇太、宮城俊美、沼倉宏、吉見享祐
    • Organizer
      日本鉄鋼協会 第177回春季講演大会
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K18930
  • [Presentation] ナノインデンテーション法を用いたMAX相Ti2AlCにおける塑性変形開始挙動の方位依存性2017

    • Author(s)
      和田悠佑, 関戸信彰, 中村純也, 大村孝仁, 吉見享祐
    • Organizer
      日本金属学会2017年春期講演大会
    • Place of Presentation
      首都大学東京, 東京
    • Year and Date
      2017-03-15
    • Data Source
      KAKENHI-PROJECT-26420670
  • [Presentation] Three Dimensional Observation of the Three-Phase Eutectic Microstructure of Mo-Nb-Si-B Alloys2016

    • Author(s)
      N. Sekido, N. Takata, M. Takeyama, M. Follett-Figueroa, J.H. Perepezko
    • Organizer
      The 9th Pacific Rim International Conference on Advanced Materials and Processing
    • Place of Presentation
      Kyoto International Conference Center, Kyoto
    • Year and Date
      2016-08-02
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26420670
  • [Presentation] Nb(Cr)Si_2金属間化合物の高温における相安定性2014

    • Author(s)
      相澤諒磨,関戸信彰,上野俊吉
    • Organizer
      日本金属学会春期講演大会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2014-03-23
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] Nb(Cr)Si2金属間化合物の高温における相安定性2014

    • Author(s)
      相澤 諒磨, 関戸信彰, 上野 俊吉
    • Organizer
      日本金属学会2014年春期講演大会
    • Place of Presentation
      東京工業大学
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] Fe 合金の局所力学挙動に及ぼすNi, Si の影響2014

    • Author(s)
      鈴木拓哉, 関戸信彰, ZHANGLing, 大村孝仁
    • Organizer
      日本金属学会2014年春期講演大会
    • Place of Presentation
      東京工業大学
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] Fe合金の局所力学挙動に及ぼすNi Siの影響2014

    • Author(s)
      鈴木拓哉,関戸信彰, Zhang Ling,大村孝仁
    • Organizer
      日本金属学会春期講演大会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2014-03-21
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] 高周波グロー放電スパッタ(rf-GDS)を利用したナノインデンテーション用 バルクサンプルに対する表面仕上げ法の試行2013

    • Author(s)
      関戸信彰,大村孝仁,津﨑兼彰
    • Organizer
      日本金属学会2013年秋期講演大会
    • Place of Presentation
      金沢大学
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] (NbCr)Si_2金属間化合物の高温における耐酸化メカニズムの解明2013

    • Author(s)
      相澤諒磨,関戸信彰,上野俊吉
    • Organizer
      日本金属学会秋期大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2013-09-18
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] (NbCr)Si2金属間化合物の高温における耐酸化メカニズムの解明2013

    • Author(s)
      相澤 諒磨, 関戸信彰, 上野 俊吉
    • Organizer
      日本金属学会 2013年秋期講演大会
    • Place of Presentation
      金沢大学
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] 高周波グロー放電スパッタ(rf-GDS)を利用したナノインデンテーション用バルクサンプルに対する表面仕上げ法の試行2013

    • Author(s)
      関戸信彰,大村孝仁,津崎兼彰
    • Organizer
      日本金属学会秋期大会
    • Place of Presentation
      金沢大学
    • Year and Date
      2013-09-18
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] Fe合金の局所力学挙動におよぼす添加元素の影響2013

    • Author(s)
      鈴木拓哉, 関戸信彰, ZHANGLing, 大村孝仁
    • Organizer
      日本金属学会 2013年春期講演大会
    • Place of Presentation
      金沢大学
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] Pt中におけるCの固溶限の決定2013

    • Author(s)
      関戸信彰
    • Organizer
      日本金属学会
    • Place of Presentation
      金沢大学
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] Influence of Si Content on Nano-Scale Deformation Behavior of Fe-Si Binary Alloy2013

    • Author(s)
      T. Suzuki, N. Sekido, L. Zhang, T. Ohmura
    • Organizer
      PRICM-8
    • Place of Presentation
      Hawaii
    • Data Source
      KAKENHI-PROJECT-24760540
  • [Presentation] Ir2Y母相中におけるIr3Y相の析出とその成長挙動2009

    • Author(s)
      関戸信彰、御手洗容子
    • Organizer
      日本金属学会2009年度春期大会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2009-03-30
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Presentation] Laves 相Ir2Yに析出したIr3Yの成長とその界面構造2009

    • Author(s)
      関戸信彰
    • Organizer
      日本金属学会2009年秋期大会
    • Place of Presentation
      京都大学
    • Year and Date
      2009-09-15
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Presentation] Laves相Ir2Yに析出したIr3Yの成長とその界面構造2009

    • Author(s)
      関戸信彰、御手洗容子
    • Organizer
      日本金属学会2009年秋期大会
    • Place of Presentation
      京都大学
    • Year and Date
      2009-09-15
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Presentation] Ir_2Y母相中におけるIr_3Y相の析出とその成長挙動2009

    • Author(s)
      関戸 信彰
    • Organizer
      日本金属学会2009年度春期大会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2009-03-30
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Presentation] Laves相Ir2YにおけるIr3Yの析出挙動2008

    • Author(s)
      関戸信彰、御手洗容子
    • Organizer
      日本金属学会2008年秋期大会
    • Place of Presentation
      熊本大学
    • Year and Date
      2008-09-23
    • Data Source
      KAKENHI-PROJECT-20760477
  • [Presentation] Laves相Ir_2YにおけるIr_3Yの析出挙動2008

    • Author(s)
      関戸 信彰
    • Organizer
      日本金属学会2008年秋期大会
    • Place of Presentation
      熊本大学
    • Year and Date
      2008-09-23
    • Data Source
      KAKENHI-PROJECT-20760477
  • 1.  Numakura Hiroshi (40189353)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  Ohmura Takahito (40343884)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  Nagata Shinji (40208012)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  井 誠一郎 (60435146)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  仲村 龍介 (70396513)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  Souissi Maaouia
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  Okuno Takeshi
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  Ikeda Kentarou
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  Hamana Keisuke
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  Kitano Yuuto
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  Ishimaru Manabu
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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