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A comparative study of deuterium permeation behaviors of CoCrMnFeNi and AlCoCrFeNi high entropy alloys by Wenxuan Li; Bin Luo; Hongtao Huang; Yang Liu; Wang Wang; Jinru Luo; Baoqin Fu is a Engineering article available to read on EtoBox.

What is A comparative study of deuterium permeation behaviors of CoCrMnFeNi and AlCoCrFeNi high entropy alloys about?

With the advantage of excellent properties, high entropy alloys (HEAs) are regarded as potential candidates for future structural applications for nuclear devices, therefore the compatibility of hydrogen isotopes with HEAs becomes a key issue that has attracted a lot of attentions. A single FCC phase CoCrMnFeNi alloy with the mean grain size of 70.24 μm and a single BCC phase AlCoCrFeNi alloy with the mean grain size of 62.98 μm has been studied by a gas-driven permeation experiment apparatus for comparing their deuterium permeation behaviors in the present study. The results show that the permeability of the CoCrMnFeNi is larger than that of the AlCoCrFeNi, while the diffusion coefficient of the CoCrMnFeNi is smaller than that of the AlCoCrFeNi. The AlCoCrFeNi and the CoCrMnFeNi with different average grain sizes show different permeability, indicating that both crystal structure, chemical composition, and grain size of the HEAs have a great influence on their deuterium permeation behaviors.

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Author

Wenxuan Li; Bin Luo; Hongtao Huang; Yang Liu; Wang Wang; Jinru Luo; Baoqin Fu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)