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Recent progress of tungsten-based high-entropy alloys in nuclear fusion

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A Correction to this article was published on 21 August 2021

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Abstract

The extreme environment in a fusion reactor, namely high thermal load and intense energetic particles, requires the materials to possess high strength and good ductility at high temperature in combination with excellent radiation resistance. Conventional metal tungsten (W) and its alloy cannot satisfy these rigorous requirements, but the discovery of the W-based high-entropy alloys (HEAs) with outstanding properties sheds light on the developments of structural materials. Unique properties of some of these alloys make them promising candidates for engineering applications in fusion reactor beyond conventional W and its alloys. In particular, their strengthening-toughening mechanism has also aroused wide concern. Here, the design, microstructure, mechanical properties and irradiation performance of W-based HEAs are reviewed, and their future prospects are outlined.

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Acknowledgements

This work was financially supported by National MCF Energy R & D Program (Grant No. 2018YFE0312400), the Creative Development Foundation of China Academy of Engineering Physics (Grant No. CX2019019), National Natural Science Foundation of China (Grant No. U1930121).

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  1. Institute of Materials, China Academy of Engineering Physics, Mianyang, 621908, China

    Xin Wang, He Huang, Jie Shi, Hai-Yan Xu & Da-Qiao Meng

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  1. Xin Wang
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  3. Jie Shi
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Xin Wang wrote the draft; Jie Shi and Hai-Yan Xiao collected the data; Da-Qiao Meng and He Huang contributed to conceived the idea of the study. All authors contributed to the writing and revisions.

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Wang, X., Huang, H., Shi, J. et al. Recent progress of tungsten-based high-entropy alloys in nuclear fusion. Tungsten 3, 143–160 (2021). https://doi.org/10.1007/s42864-021-00092-8

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