研究成果・論文

2021年

Journal Papers / 学術雑誌論文

  1. Evolution of microstructure and mechanical properties during annealing of heavily rolled AlCoCrFeNi2.1 eutectic high-entropy alloy
    ○Adrianna Lozinko, Reza Gholizadeh, Yubin Zhang, Uta Klement, Nobuhiro Tsuji, Oleg V. Mishin, Sheng Guo
    Materials Science and Engineering: A, Vol. 833 (2022), No.142558

    DOI: 10.1016/j.msea.2021.142558

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  2. Hydrogen embrittlement behaviors at different deformation temperatures in as-quenched low-carbon martensitic steel
    ○Yuji Momotani, Akinobu Shibata, Nobuhiro Tsuji
    International Journal of Hydrogen Energy, 47 (2022), pp.3131-3140

    DOI: 10.1016/j.ijhydene.2021.10.169

    International Journal of Hydrogen Energy | ScienceDirect.com by Elsevier
  3. Effect of hydrogen on evolution of deformation microstructure in low-carbon steel with ferrite microstructure
    ○Kazuho Okada, Akinobu Shibata, Wu Gong, Nobuhiro Tsuji
    Acta Materialia, 225 (2022), No.117549.

    DOI: 10.1016/j.actamat.2021.117549

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  4. Characteristics of hydrogen-related fatigue fracture in 2Mn-0.1C martensitic steel
    ○Hisashi Matsumiya, Akinobu Shibata, Kazuho Okada, Nobuhiro Tsuji
    International Journal of Hydrogen Energy, 46 (2021), pp.37509-37517.

    DOI: 10.1016/j.ijhydene.2021.09.011

    International Journal of Hydrogen Energy | ScienceDirect.com by Elsevier
  5. Mechanical Dissolution of Cu5Zr Phase and Formation of Supersaturated Solid–Solution Nanocrystalline Structure by High–Pressure Torsion in a Hypoeutectic Cu–2.7at%Zr Alloy
    ○Kenta Miyamoto, Takahiro Kunimine, Chihiro Watanabe, Ryoichi Monzen, Reza Gholizadeh, Nobuhiro Tsuji
    Journal of Japan Institute of Copper, 60 (2021), pp.98-103

    DOI: 10.34562/jic.60.1_98

  6. Elimination of oxygen sensitivity in α-titanium by substitutional alloying with Al
    ○Yan Chong, Ruopeng Zhang, Mohammad S. Hooshmand, Shiteng Zhao, Daryl C. Chrzan, Mark Asta, J.W. Morris Jr, Andrew M. Minor
    2021 in Nature Communications, 12 (2021), No. 6158

    DOI: 10.1038/s41467-021-26374-w

  7. Investigating the dislocation reactions on Σ3{111} twin boundary during deformation twin nucleation process in an ultrafine-grained high-manganese steel
    ○Chang-Yu Hung, Tomotsugu Shimokawa, Yu Bai, Nobuhiro Tsuji, Mitsuhiro Murayama
    2021 in Scientific Reports, 11, 19298 (2021)

    DOI: 10.1038/s41598-021-98875-z

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  8. Direct observation of grain boundary formation in bcc iron through TEM in situ compression test
    ○Hongxing Li, Seiichiro Ii, Nobuhiro Tsuji, Takahito Ohmura
    2022 in Scripta Materialia, 207 (2022), No. 114275

    DOI: 10.1016/j.scriptamat.2021.114275

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  9. Direct observation of local chemical ordering in a few nanometer range in CoCrNi medium-entropy alloy by atom probe tomography and its impact on mechanical properties
    ○Koji Inoue, Shuhei Yoshida, Nobuhiro Tsuji
    2021 in Physical Review Materials, 5 (2021), No. 085007

    DOI: 10.1103/PhysRevMaterials.5.085007

  10. Unique transition of yielding mechanism and unexpected activation of deformation twinning in ultrafine grained Fe‑31Mn‑3Al‑3Si alloy
    ○Yu Bai, Hiroki Kitamura, Si Gao, Yanzhong Tian, Nokeun Park, Myeong‑heom Park, Hiroki Adachi, Akinobu Shibata, Masugu Sato, Mitsuhiro Murayama, Nobuhiro Tsuji
    2021 in Scientific reports, 11 (2021), No.15870

    DOI: 10.1038/s41598-021-94800-6

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  11. A unique three-stage dependence of yielding behavior and strain-hardening ability in Ti-10V-2Fe-3Al alloy on phase fraction
    ○Yan Chong, Si Gao, Nobuhiro Tsuji
    2021 in Materials Science and Engneering: A, Vol. 821, 21 (2021), 141609

    DOI: 10.1016/j.msea.2021.141609

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  12. Effect of high pressure torsion process on the microhardness, microstructure and tribological property of Ti6Al4V alloy
    ○Guanyu Deng, Xing Zhao, Lihong Su, Peitang Wei, Liang Zhang, Lihua Zhan, Yan Chong, Hongtao Zhu, Nobuhiro Tsuji
    2021 in Journal of Materials Science & Technology, Vol. 94 (2021), pp.183-195.

    DOI: 10.1016/j.jmst.2021.03.044

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  13. Microstructure, texture and mechanical properties of sandwiched ARB6/2/6 2N Al fabricated by accumulative roll bonding
    ○Xiaojuan Jiang, Si Gao, Ling Zhang, Guilin Wu, Xiaoxu Huang, Nobuhiro Tsuji
    June 2021 in Materials Science and Engineering: A, Vol. 817, 141356

    DOI: 10.1016/j.msea.2021.141356

  14. A correlation between grain boundary character and deformation twin nucleation mechanism in coarse‑grained high‑Mn austenitic steel
    ○Chang‑Yu Hung, Yu Bai, Tomotsugu Shimokawa, Nobuhiro Tsuji, and Mitsuhiro Murayama
    April 2021 in Scientific Reports, 11, 8468

    DOI: 10.1038/s41598-021-87811-w

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  15. Effects of local stress, strain, and hydrogen content on hydrogen-related fracture behavior in low-carbon martensitic steel
    ○Akinobu Shibata, Takashi Yonemura, Yuji Momotani, Myeong-heom Park, Shusaku Takagi, Yazid Madi, Jacques Besson, Nobuhiro Tsuji
    May 2021 in Acta Materialia, Vol.210, 116828

    DOI: 10.1016/j.actamat.2021.116828

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  16. Grain size altering yielding mechanisms in ultrafine grained high-Mn austenitic steel: Advanced TEM investigations
    ○Chang-Yu Hung, Yu Bai, Nobuhiro Tsuji, Mitsuhiro Murayama
    2021 in Journal of Materials Science & Technology, Vol. 86 (2021), pp.192-203.

    DOI: 10.1016/j.jmst.2021.01.031

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  17. Corrigendum to ‘Strategy for Managing Both High Strength and Large Ductility in Structural Materials - sequential nucleation of different deformation modes based on a concept of plaston’ [Scripta Materialia 181 (2020) 35-42/ SMM 13102]
    ○NobuhiroTsuji, Shigenobu Ogata, Haruyuki Inui, Isao Tanaka, Kyosuke Kishida, Si Gao, Wenqi Mao, Yu Bai, Ruixiao Zheng, Jun-Ping Du
    April 2021 in Scripta Materialia, Vol. 196, 113755

    DOI: 10.1016/j.scriptamat.2021.113755

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  18. Mechanical response of dislocation interaction with grain boundary in ultrafine-grained interstitial-free steel
    ○Hongxing Li, Si Gao, Yo Tomota, Seiichiro Iia, Nobuhiro Tsuji, Takahito Ohmura
    March 2021 in Acta Materialia, Vol. 206,116621

    DOI: 10.1016/j.actamat.2021.116621

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  19. Achieving large super-elasticity through changing relative easiness of deformation modes in Ti-Nb-Mo alloy by ultra-grain refinement
    ○Bingjie Zhang, Mingda Huang, Yan Chong, Wenqi Mao, Wu Gong, Ruixiao Zheng, Yu Bai, Dong Wang, Qiaoyan Sun, Yunzhi Wang, and Nobuhiro Tsuji
    January 2021 in Materials Research Letters, Vol.9, pp.223-230.

    DOI: 10.1080/21663831.2021.1875080

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  20. The mechanism of dynamic strain aging for type A serrations in tensile curves of a medium-Mn steel Author links open overlay panel
    ○Jae-Hoon Nam, Seon-Keun Oh, Myeong-heom Park, Young-Kook Lee
    March 2021 in Acta Materialia, Vol.206,116613

    DOI: 10.1016/j.actamat.2020.116613

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  21. Mesoscopic nature of serration behavior in high-Mn austenitic steel
    ○Sukyoung Hwang, Myeong-heom Park, Yu Bai, Akinobu Shibata, Wenqi Mao, Hiroki Adachi, Masugu Sato, Nobuhiro Tsuji
    Feburary 2021 in Acta Materialia, Vol.205, 116543

    DOI: 10.1016/j.actamat.2020.116543

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Organizing Conferences / 国際会議等組織

  1. Materials Research Meeting (MRM) 2021 Symposium C-1 Fundamental Issues of Structural Materials

    2021.12.13-16 (face-to-face/online)
    Organizers: Prof. Isao Tanaka (Kyoto University), Prof. Haruyuki Inui (Kyoto University), Prof. Akihiro Sato (IHI Corporation), Prof. David Rodney (University of Lyon), Prof. Lina Kawaguchi (Kyoto University), Prof. Nobuhiro Tsuji (Kyoto University), Prof. Yu Bai (Dalian University of Technology)
    https://mrm2021.jmru.org

  2. 鉄鋼協会・ISSS 2021ポストシンポジウム研究会

    2021.11.16 (online)
    組織委員：戸高義一（豊橋技科大）、田中將己（九州大）、柴田曉伸（物質・材料研究機構）、辻　伸泰（京都大）
    セッション1（変形）
    下川 智嗣（金沢大学）「伸線パーライト鋼の異相界面と力学特性の関係」
    岸田 恭輔（京都大学）「マイクロ機械試験で探るセメンタイトおよびパーライト単結晶の力学特性」
    南部 将一（東京大学）「ラスマルテンサイトの大変形挙動のその場観察と結晶塑性有限要素法解析」

    セッション2（破壊）
    譯田 真人（物質・材料研究機構）「BCC鉄中の転位ー格子欠陥相互作用に関する原子論的評価」
    田中 將己（九州大学）「脆性-延性遷移挙動の添加元素依存性」

    セッション3（水素脆化）
    柴田 曉伸（物質・材料研究機構）「マルテンサイト鋼の水素脆性クラック伝播挙動」
    松本 龍介（京都先端科学大学）「純鉄中の水素−空孔性欠陥−転位間相互作用に関する原子モデル解析」

  3. The 6th International Symposium on Steel Science (ISSS 2021)
    Strength, Plasticity, and Fracture in Steels Revisited: Towards Quantitative Bridging of Experiment and Simulation

    2021.11.15 (online)
    Organizers: Prof. Yoshikazu Todaka (Toyohashi University of Technology). Prof. Masaki Tanaka (Kyushu University), Prof. Akinobu Shibata (NIMS), Prof. Nobuhiro Tsuji (Kyoto University)
    Supported by the Irino and Steel Institute of Japan (ISIJ)
    http://www.steelscience.org/index.html