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Current development of body-centered cubic high-entropy alloys for nuclear applications

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A Correction to this article was published on 21 August 2021

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Abstract

High-entropy alloys greatly expand the alloy design range and offer new possibilities for improving material performance. Based on the worldwide research efforts in the last decade, the excellent mechanical properties and promising radiation and corrosion resistance of this group of materials have been demonstrated. High-entropy alloys with body-centered cubic (BCC) structures, especially refractory high-entropy alloys, are considered as promising materials for high-temperature applications in advanced nuclear reactors. However, the extreme reactor conditions including high temperature, high radiation damage, high stress, and complex corrosive environment require a comprehensive evaluation of the material properties for their actual service in nuclear reactors. This review summarizes the current progress on BCC high-entropy alloys from the aspects of neutron economy and activation, mechanical properties, high-temperature stability, radiation resistance, as well as corrosion resistance. Although the current development of BCC high-entropy alloys for nuclear applications is still at an early stage as the large design space of this group of alloys has not been fully explored, the current research findings provide a good basis for the understanding and prediction of material behaviors with different compositions and microstructures. Further in-depth understanding of the degradation mechanisms and characterization of material properties in response to conditions close to reactor environment are necessary. A critical down-selection of potential candidates is also crucial for further comprehensive evaluation and engineering validation.

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Acknowledgements

This work was supported by the National Key Research and Development Program of China (Grant Nos. 2019YFA0209900 and 2017YFB0304403); the National Natural Science Foundation of China (Grant No. 12075179); the Nuclear Material Technology Innovation Center Project (Grant No. ICNM 2020 ZH05); and the Continuous Basic Scientific Research Project (Grant No. WDJC-2019-10). We would like to thank Prof. Shao-Qiang Guo for the suggestion on the corrosion section of this review.

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Author notes

  1. Tan Shi and Peng-Hui Lei have contributed equally to this work.

Authors and Affiliations

  1. Department of Nuclear Science and Technology, Xi’an Jiaotong University, Xi’an, 710049, China

    Tan Shi, Peng-Hui Lei, Xu Yan, Jing Li, Yun-Di Zhou, Yun-Peng Wang, Zheng-Xiong Su, Di Yun & Chen-Yang Lu

  2. China Institute of Atomic Energy, Beijing, 102413, China

    Yan-Kun Dou, Xin-Fu He & Wen Yang

Authors
  1. Tan Shi
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  2. Peng-Hui Lei
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  3. Xu Yan
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  4. Jing Li
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  5. Yun-Di Zhou
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  6. Yun-Peng Wang
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  7. Zheng-Xiong Su
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  8. Yan-Kun Dou
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  9. Xin-Fu He
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  10. Di Yun
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  11. Wen Yang
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  12. Chen-Yang Lu
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Corresponding authors

Correspondence to Tan Shi or Chen-Yang Lu.

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Shi, T., Lei, PH., Yan, X. et al. Current development of body-centered cubic high-entropy alloys for nuclear applications. Tungsten 3, 197–217 (2021). https://doi.org/10.1007/s42864-021-00086-6

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  • DOI: https://doi.org/10.1007/s42864-021-00086-6

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