Details of the Researcher

PHOTO

Kazushige Ioroi
Section
Graduate School of Engineering
Job title
Specially Appointed Assistant Professor(Research)
Degree
  • 博士(工学)(東北大学)

  • 修士(工学)(大阪府立大学)

e-Rad No.
71001848
Researcher ID

Research History 2

  • 2024/04 - Present
    Tohoku University Graduate School of Engineering Department of Metallurgy

  • 2023/04 - 2024/03
    Tohoku University Graduate School of Engineering Department of Metallurgy

Education 2

  • Tohoku University Graduate School of Engineering Department of Metallurgy

    2019/04 - 2023/03

  • Osaka Prefecture University Graduate School of Engineering Department of Material Science

    2017/04 - 2019/03

Professional Memberships 3

  • 合金状態図研究会

    2024/10 - Present

  • The Japan Institute of Metals and Materials

    2017/05 - Present

  • The Iron and Steel Institute of Japan

    2017/09 - 2019/11

Research Interests 4

  • Intermetallic compounds

  • Heat resistant materials

  • CALPHAD (CALculation of PHAse Diagrams)

  • Phase diagrams

Awards 5

  1. Best Poster Award

    2025/05 CALPHAD 2025 Experimental determination and thermodynamic assessment of the Co–Cr binary system

  2. Editor's Choice Award for 2022

    2023/03 Journal of Phase Equilibria and Diffusion Melting Point of Pure Cr and Phase Equilibria in the Cr–Si Binary System

  3. Best Poster Award

    2021/06 CALPHAD GLOBAL 2021 Experimental Determination of Phase Diagram in the Cr-Si Binary System

  4. 研究発表最優秀賞

    2018/10 日本鉄鋼協会・日本金属学会関西支部 遷移金属元素添加Ni基超々合金の組織形成と硬化挙動に関する元素分配挙動と格子特性に基づく解析

  5. 努力賞

    2017/09 日本鉄鋼協会 耐摩耗型Ni基2重複相金属間化合物合金の延性改善

Papers 8

  1. Phase equilibria and thermodynamic assessment of the Co–Cr binary system Peer-reviewed

    Kazushige Ioroi, Haruhi Kumeta, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    Calphad 90 102853-102853 2025/09

    Publisher: Elsevier BV

    DOI: 10.1016/j.calphad.2025.102853  

    ISSN: 0364-5916

  2. Experimental determination of phase diagram and thermodynamic assessment in the Cr–Ta binary system Peer-reviewed

    Kazushige Ioroi, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    Journal of Alloys and Compounds 1018 179195-179195 2025/03

    Publisher: Elsevier BV

    DOI: 10.1016/j.jallcom.2025.179195  

    ISSN: 0925-8388

  3. Thermodynamic assessment of the Cr–Si binary system International-journal Peer-reviewed

    Kazushige Ioroi, Ikuo Ohnuma, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    Calphad 85 102690-102690 2024/06

    Publisher: Elsevier BV

    DOI: 10.1016/j.calphad.2024.102690  

    ISSN: 0364-5916

  4. Melting Point of Pure Cr and Phase Equilibria in the Cr-Si Binary System International-journal Peer-reviewed

    Kazushige Ioroi, Yuki Aono, Xiao Xu, Toshihiro Omori, Ryosuke Kainuma

    Journal of Phase Equilibria and Diffusion 43 (2) 229-242 2022/04

    DOI: 10.1007/s11669-022-00954-9  

    ISSN: 1547-7037

    eISSN: 1863-7345

  5. Effect of Heat Treatment on Microstructure and Mechanical Properties of Dual Two-Phase Ni3Al and Ni3V Intermetallic Alloys

    Kazushige Ioroi, Yasuyuki Kaneno, Takayuki Takasugi, Satoshi Semboshi

    2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials 2019/10/21

    DOI: 10.31399/asm.cp.am-epri-2019p0904  

    ISSN: 2994-4023

    eISSN: 2994-4031

  6. Microstructures and tensile properties of off-stoichiometric Ni3Al–Ni3V pseudo-binary alloys International-journal Peer-reviewed

    Kazushige Ioroi, Satoshi Semboshi, Yasuyuki Kaneno, Takayuki Takasugi

    Journal of Materials Research 34 (18) 3061-3070 2019/09/16

    Publisher: Springer Science and Business Media LLC

    DOI: 10.1557/jmr.2019.269  

    ISSN: 0884-2914

    eISSN: 2044-5326

  7. Effect of Ta addition on microstructure and mechanical properties of dual two-phase Ni3Al-Ni3V intermetallic alloy International-journal Peer-reviewed

    Kazushige Ioroi, Yasuyuki Kaneno, Takayuki Takasugi

    MRS Advances 4 (25-26) 1509-1514 2019/04/08

    DOI: 10.1557/adv.2019.140  

    ISSN: 2059-8521

    eISSN: 2059-8521

  8. Effect of transition metal addition on microstructure and hardening behavior of two-phase Ni3Al-Ni3V intermetallic alloys International-journal Peer-reviewed

    Kazushige Ioroi, Yasuyuki Kaneno, Satoshi Semboshi, Takayuki Takasugi

    Materialia 5 100173-100173 2019/03

    DOI: 10.1016/j.mtla.2018.11.022  

    ISSN: 2589-1529

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Presentations 26

  1. Experimental determination and thermodynamic assessment of the Co–Cr binary system International-presentation

    Kazushige Ioroi, Haruhi Kumeta, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    52nd International Conference on Computer Coupling of Phase Diagrams and Thermochemistry (CALPHAD 2025) 2025/05/26

  2. クロム系合金の高温相平衡に関する研究 Invited

    五百藏 一成

    第191回フロンティア材料研究所学術講演会 2025/03/18

  3. Co–Cr二元系状態図の実験的調査と熱力学解析

    五百藏 一成, 粂田 晴陽, 許 皛, 貝沼 亮介, 大森 俊洋

    日本金属学会 2025年春期(第176回)講演大会 2025/03/08

  4. High-Temperature Phase Equilibria ~ Chromium and its Phase Diagrams ~

    Kazushige Ioroi, Ikuo Ohnuma, Xiao Xu, Toshihiro Omori, Ryosuke Kainuma

    2024/12/13

  5. Experimental investigation and thermodynamic evaluation of the Co–Cr binary system International-presentation

    Kazushige Ioroi, Haruhi Kumeta, Kazuya Shinagawa, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    The 8th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 7th Symposium on International Joint Graduate Programs in Materials Science and Spintronics (CRCGP-MSSP2024) 2024/11/19

  6. Nb-Si二元系状態図の実験的決定

    黒井 遥翔, 五百藏 一成, 許 皛, 大森 俊洋, 貝沼 亮介

    日本金属学会 2024年秋期(第175回)講演大会 2024/09/18

  7. Phase Equilibria and Thermodynamic Evaluation of the Cr–Ta Binary System

    Kazushige Ioroi, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    2024/09/19

  8. Experimental Determination of Phase Diagram and Thermodynamic Assessment in the Cr–Ta Binary System International-presentation

    Kazushige Ioroi, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    51st International Conference on Computer Coupling of Phase Diagrams and Thermochemistry (CALPHAD 2024) 2024/05/29

  9. Thermodynamic Assessment of the Cr–Si Binary System

    Kazushige Ioroi, Ikuo Ohnuma, Xiao Xu, Ryosuke Kainuma, Toshihiro Omori

    2024/03/15

  10. Thermodynamic assessment of the Cr–Si–Ta ternary system and its use for alloy design International-presentation

    Kazushige Ioroi, Xiao Xu, Toshihiro Omori, Ryosuke Kainuma

    MRM2023/IUMRS-ICA2023 2023/12/12

  11. Thermodynamic assessment of the Cr–Si system International-presentation

    Kazushige Ioroi, Xiao Xu, Toshihiro Omori, Ryosuke Kainuma

    26th International Conference on Chemical Thermodynamics (ICCT-2023) 2023/08/03

  12. Experimental determination of phase diagrams of the Cr–Si and Cr–Ta binary systems International-presentation

    Toshihiro Omori, Kazushige Ioroi, Ryosuke Kainuma

    Beyond Nickel-Based Superalloys IV 2023/06/29

  13. Experimental investigation and thermodynamic assessment of the Cr–Si binary system International-presentation

    Kazushige Ioroi, Yuki Aono, Xiao Xu, Toshihiro Omori, Ryosuke Kainuma

    TMS Annual Meeting & Exhibition 2023/03/20

  14. Experimental Determination of Phase Diagram in the Cr-Si Binary System International-presentation

    Kazushige Ioroi, Yuki Aono, Xiao Xu, Toshihiro Omori, Ryosuke Kainuma

    CALPHAD GLOBAL 2021 2021/06/01

  15. Cr–Si二元系状態図の実験的決定

    五百藏 一成, 青野 友紀, 大森 俊洋, 貝沼 亮介

    状態図・計算熱力学研究会 第1回研究会 2021/06/28

  16. Cr–Si系における相平衡の実験的調査

    五百藏 一成, 青野 友紀, 大森 俊洋, 貝沼 亮介

    日本金属学会 2021年春期(第168回)講演大会 2021/03/19

  17. Cr–Si二元系状態図の実験的決定

    五百藏 一成, 青野 友紀, 大森 俊洋, 貝沼 亮介

    日本金属学会 2020年春期(第166回)講演大会 2020/03/19

  18. Ni基超々合金の組織と機械的性質に及ぼす非化学量論組成効果

    五百藏 一成, 金野 泰幸, 千星 聡, 髙杉 隆幸

    日本金属学会 2019年春期(第164回)講演大会 2019/03/21

  19. Effect of Ta addition on microstructure and mechanical properties of dual two-phase Ni3Al-Ni3V intermetallic alloy International-presentation

    Kazushige Ioroi, Yasuyuki Kaneno, Takayuki Takasugi

    MRS Fall Meeting 2018/11/27

  20. 遷移金属元素添加Ni基超々合金の組織形成と硬化挙動に関する元素分配挙動と格子特性に基づく解析

    五百藏 一成, 金野 泰幸, 髙杉 隆幸, 千星 聡

    日本鉄鋼協会・日本金属学会関西支部 第5回マテリアルデザイン研究会 2018/10/22

  21. Effect of transition metal addition on microstructure and hardening behavior of dual two-phase Ni3Al-Ni3V intermetallic alloys

    Kazushige Ioroi, Yasuyuki Kaneno, Takayuki Takasugi

    2018/09/20

  22. Ni基超々合金の組織形成におよぼす添加元素依存性と熱処理依存性

    五百藏 一成, 金野 泰幸, 髙杉 隆幸

    日本金属学会 2018年秋期(第163回)講演大会 2018/09/21

  23. Ductility improvement due to addition of Co to Ni-base dual two-phase intermetallic alloy added with Ta

    Kazushige Ioroi, Yasuyuki Kaneno, Takayuki Takasugi

    2018/03/20

  24. Ni基超々合金の組織と機械的性質に関する遷移金属元素の分配挙動と格子特性に基づく解析

    五百藏 一成, 金野 泰幸, 髙杉 隆幸

    日本金属学会 2018年春期(第162回)講演大会 2018/03/20

  25. Ductility improvement of Ni-base dual two-phase intermetallic alloy having high wear resistance

    Kazushige Ioroi, Yasuyuki Kaneno, Takayuki Takasugi

    2017/09/07

  26. Taを含むNi基2重複相金属間化合物合金の組織と機械的性質に及ぼすCo添加の影響

    五百藏 一成, 金野 泰幸, 高杉 隆幸

    日本金属学会 2017年秋期(第161回)講演大会 2017/09/08

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Research Projects 3

  1. データサイエンスを活用したクロム基耐熱合金の組織制御と合金設計

    五百藏 一成

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業

    Category: 若手研究

    Institution: 東北大学

    2025/04/01 - 2027/03/31

  2. クロム基超高温状態図の創製と新規耐熱合金開発への挑戦

    五百藏 一成

    Offer Organization: 日本学術振興会

    System: 科学研究費助成事業

    Category: 研究活動スタート支援

    Institution: 東北大学

    2024/07/31 - 2026/03/31

  3. 比強度の高いクロム-シリコン基耐熱合金の熱力学データベース構築と高性能化

    五百藏 一成

    Offer Organization: 池谷科学技術振興財団

    System: 単年度研究助成

    2025/04 - 2026/03

Teaching Experience 1

  1. 材料科学総合学実験 東北大学