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A quinary WTaCrVHf nanocrystalline refractory high-entropy alloy withholding extreme irradiation environments

Author

Listed:
  • O. El Atwani

    (Los Alamos National Laboratory)

  • H. T. Vo

    (Los Alamos National Laboratory)

  • M. A. Tunes

    (Los Alamos National Laboratory)

  • C. Lee

    (Los Alamos National Laboratory
    Auburn University)

  • A. Alvarado

    (Los Alamos National Laboratory
    Clemson University)

  • N. Krienke

    (University of Wisconsin-Madison)

  • J. D. Poplawsky

    (Oak Ridge National Laboratory)

  • A. A. Kohnert

    (Los Alamos National Laboratory)

  • J. Gigax

    (Los Alamos National Laboratory)

  • W.-Y. Chen

    (Argonne National Laboratory)

  • M. Li

    (Argonne National Laboratory)

  • Y. Q. Wang

    (Los Alamos National Laboratory)

  • J. S. Wróbel

    (Warsaw University of Technology, ul. Wołoska)

  • D. Nguyen-Manh

    (United Kingdom Atomic Energy Authority
    University of Oxford)

  • J. K. S. Baldwin

    (Los Alamos National Laboratory)

  • O. U. Tukac

    (Middle East Technical University)

  • E. Aydogan

    (Middle East Technical University)

  • S. Fensin

    (Los Alamos National Laboratory)

  • E. Martinez

    (Clemson University)

Abstract

In the quest of new materials that can withstand severe irradiation and mechanical extremes for advanced applications (e.g. fission & fusion reactors, space applications, etc.), design, prediction and control of advanced materials beyond current material designs become paramount. Here, through a combined experimental and simulation methodology, we design a nanocrystalline refractory high entropy alloy (RHEA) system. Compositions assessed under extreme environments and in situ electron-microscopy reveal both high thermal stability and radiation resistance. We observe grain refinement under heavy ion irradiation and resistance to dual-beam irradiation and helium implantation in the form of low defect generation and evolution, as well as no detectable grain growth. The experimental and modeling results—showing a good agreement—can be applied to design and rapidly assess other alloys subjected to extreme environmental conditions.

Suggested Citation

  • O. El Atwani & H. T. Vo & M. A. Tunes & C. Lee & A. Alvarado & N. Krienke & J. D. Poplawsky & A. A. Kohnert & J. Gigax & W.-Y. Chen & M. Li & Y. Q. Wang & J. S. Wróbel & D. Nguyen-Manh & J. K. S. Bald, 2023. "A quinary WTaCrVHf nanocrystalline refractory high-entropy alloy withholding extreme irradiation environments," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-38000-y
    DOI: 10.1038/s41467-023-38000-y
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    References listed on IDEAS

    as
    1. Zhifeng Lei & Xiongjun Liu & Yuan Wu & Hui Wang & Suihe Jiang & Shudao Wang & Xidong Hui & Yidong Wu & Baptiste Gault & Paraskevas Kontis & Dierk Raabe & Lin Gu & Qinghua Zhang & Houwen Chen & Hongtao, 2018. "Enhanced strength and ductility in a high-entropy alloy via ordered oxygen complexes," Nature, Nature, vol. 563(7732), pages 546-550, November.
    2. Yu Zou & Huan Ma & Ralph Spolenak, 2015. "Ultrastrong ductile and stable high-entropy alloys at small scales," Nature Communications, Nature, vol. 6(1), pages 1-8, November.
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