Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 529, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jnucmat.2019.151955
Keywords
High entropy alloy; Ion irradiation; Nano-indentation; Micro-pillar compression; Self-healing
Funding
- U.S. Department of Energy under an SBIR/STTR sub-contract [DE-SC0017138]
- U.S. Department of Energy (DOE) [DE-SC0017138] Funding Source: U.S. Department of Energy (DOE)
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Refractory alloys consisting of reduced activity elements are attractive for nuclear applications to allow safe post-service recycling and meet fusion reactor requirements. Here, ion irradiation response was studied for a newly developed refractory high entropy alloy, HfTaTiVZr, with low activation constituent elements. Ion irradiation led to around 20% hardening for the high entropy alloy compared to 50% hardening for stainless steel under identical conditions. Superior irradiation resistance of the concentrated alloy was explained by the reduced mobility of point defects and self-healing ability. (C) 2019 Elsevier B.V. All rights reserved.
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