Journal
MATERIALS TODAY ENERGY
Volume 12, Issue -, Pages 356-362Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mtener.2019.03.004
Keywords
Highly concentrated alloys; Accident tolerant fuels; Radiation damage; Ion beam sputter-deposition; Nuclear energy
Funding
- ASTRO fellowship, a United States Department of Energy workforce development program [DE-AC05-06OR23100]
- Energy Dissipation to Defect Evolution (EDDE), an Energy Frontier Research Center - US Department of Energy, Office of Science, Basic Energy Sciences [DE-AC05-00OR22725]
- US Department of Energy, Office of Fusion Energy Science
- United Kingdom Engineering and Physical Sciences Research Council (EPSRC) [EP/M028283/1.]
- EPSRC [EP/M011135/1, EP/M028283/1] Funding Source: UKRI
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The feasibility of depositing a thin film of highly concentrated alloy on zircaloy-4 substrates at low temperatures was investigated. Electron microscopy characterisation at micro and nanoscales showed that the deposited thin film is near-equiatomic, single-phase and with all alloying elements uniformly distributed throughout the microstructure. Heavy-ion irradiations carried out in situ within a transmission electron microscope revealed the generation of both defect clusters and inert gas bubbles at around 1.5 x 10(16) ions.cm(-2) (15.4 dpa). Post-irradiation characterisation showed that the thin film preserved its solid solution and that, under the studied conditions, no elemental segregation or phase transformations were observed, indicating a high radiation tolerance. (C) 2019 Elsevier Ltd. All rights reserved.
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