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Metallurgical Alchemy by Ultra-Severe Plastic Deformation

Publicly Offered Research

Project AreaHigh Entropy Alloys - Science of New Class of Materials Based on Elemental Multiplicity and Heterogeneity
Project/Area Number 19H05176
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionKyushu University

Principal Investigator

エダラテイ カベー  九州大学, カーボンニュートラル・エネルギー国際研究所, 准教授 (60709608)

Project Period (FY) 2019-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2020: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
KeywordsHigh-entropy alloys / high-entropy ceramics / Functional properties / High-Entropy Alloys / Functional Properties / mechanical properties
Outline of Research at the Start

Under ultra-severe plastic deformation, the atomic-scale elemental mixing and formation of homogenous nanostructured phases with exceptional properties occur. The target of this study is to produce new homogenous nanostructured high-entropy alloys with enhanced structural or functional properties.

Outline of Annual Research Achievements

The concept of ultra-severe plastic deformation was employed in this project to produce high-entropy materials with advanced functional properties. The highlighted achievements of this study can be summarized as follows. (i) We produce a high-entropy alloy with excellent biocompatibility and higher strength compared to conventional Ti-based biomaterials [Mater. Sci. Eng. C, 2020]. (ii) We produced high-entropy hydrides that could reversibly store hydrogen at room temperature with fast kinetics and without need to activation [Scr. Mater., 2020 & Int. J. Hydrogen Energy, 2020]. (iii) We produced the first high-entropy oxide photocatalyst for photocatalytic hydrogen production from water splitting. Our studies confirm the high potential of high-entropy materials for functional applications.

Research Progress Status

令和2年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和2年度が最終年度であるため、記入しない。

Report

(2 results)
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • Research Products

    (18 results)

All 2021 2020 Other

All Int'l Joint Research (10 results) Journal Article (5 results) (of which Int'l Joint Research: 5 results,  Peer Reviewed: 5 results) Presentation (3 results) (of which Int'l Joint Research: 2 results,  Invited: 1 results)

  • [Int'l Joint Research] University of Lorraine(フランス)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] University of Campinas (UNICAMP)/Federal University of Sao Carlos(ブラジル)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] Anhui University of Technology(中国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] POSTECH(韓国)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] The University of Sydney(オーストラリア)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] University of Lorraine(フランス)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] University of Campinas (UNICAMP)/Federal University of Sao Carlos(ブラジル)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Anhui University of Technology(中国)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] POSTECH(韓国)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] The University of Sydney(オーストラリア)

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Hydrogen storage in TiZrNbFeNi high entropy alloys, designed by thermodynamic calculations2020

    • Author(s)
      R. Floriano, G. Zepon, K. Edalati, G.L.B.G. Fontana, A. Mohammadi, Z. Ma, H.W. Li, R. Contieri
    • Journal Title

      International Journal of Hydrogen Energy

      Volume: 58 Issue: 58 Pages: 33759-33770

    • DOI

      10.1016/j.ijhydene.2020.09.047

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Ultrahigh hardness and biocompatibility of high-entropy alloy TiAlFeCoNi processed by high-pressure torsion2020

    • Author(s)
      P. Edalati, R. Floriano, Y. Tang, A. Mohammadi, K. Danielle Pereira, A. Ducati Luchessi, K. Edalati
    • Journal Title

      Materials Science and Engineering C

      Volume: 112 Pages: 110908-110908

    • DOI

      10.1016/j.msec.2020.110908

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Photocatalytic hydrogen evolution on a high-entropy oxide2020

    • Author(s)
      P. Edalati, Q. Wang, H. Razavi-Khosroshahi, M. Fuji, T. Ishihara, K. Edalati,
    • Journal Title

      Journal of Materials Chemistry A

      Volume: 8 Issue: 7 Pages: 3814-3821

    • DOI

      10.1039/c9ta12846h

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Reversible room temperature hydrogen storage in high-entropy alloy TiZrCrMnFeNi2020

    • Author(s)
      P. Edalati, R. Floriano, A. Mohammadi, Y. Li, G. Zepon, H.W. Li, K. Edalati
    • Journal Title

      Scripta Materialia

      Volume: 178 Pages: 387-390

    • DOI

      10.1016/j.scriptamat.2019.12.009

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Mechanical synthesis and hydrogen storage characterization of MgVCr and MgVTiCrFe high-entropy alloy2020

    • Author(s)
      M.O. de Marco, Y. Li, H.W. Li, K. Edalati, R. Floriano
    • Journal Title

      Advanced Engineering Materials

      Volume: 22 Issue: 2 Pages: 1901079-1901079

    • DOI

      10.1002/adem.201901079

    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Effect of grain size on corrosion resistance of CoCrFeNiMn HEA2021

    • Author(s)
      H. Shimizu
    • Organizer
      Annual Meeting of the Japan Institute of Metals and Materials
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
  • [Presentation] Fast and reversible room-temperature hydrogen storage in a high-entropy alloy2020

    • Author(s)
      P. Edalati
    • Organizer
      International Workshop on Multifunctional Energy/Nano Materials (MENM2020)
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Ultra-severe plastic deformation for new functional phases2020

    • Author(s)
      K. Edalati
    • Organizer
      The International Conference on Plasticity, Damage and Fracture (ICPDF)
    • Related Report
      2020 Annual Research Report 2019 Annual Research Report
    • Int'l Joint Research / Invited

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Published: 2019-04-18   Modified: 2021-12-27  

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