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Title: A candidate accident tolerant fuel system based on a highly concentrated alloy thin film

Abstract

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 displayed the generation of both defect clusters and inert gas bubbles at around 1.5 × 10 16 ions·cm –2 (15.4 dpa). Post-irradiation characterisation demonstrated 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.

Authors:
ORCiD logo [1];  [1];  [1]; ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [1]
  1. Univ. of Huddersfield, Huddersfield, West Yorkshire (United Kingdom)
  2. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Energy Dissipation to Defect Evolution (EDDE); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Fusion Energy Sciences (FES); Engineering and Physical Sciences Research Council (EPSRC)
OSTI Identifier:
1513370
Alternate Identifier(s):
OSTI ID: 1547531
Grant/Contract Number:  
AC05-00OR22725; AC05-06OR23100; EP/M028283/1
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Materials Today Energy
Additional Journal Information:
Journal Volume: 12; Journal Issue: C; Journal ID: ISSN 2468-6069
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Highly concentrated alloys; Accident tolerant fuels; Radiation damage; Ion beam sputter-deposition; Nuclear energy

Citation Formats

Tunes, Matheus A., Vishnyakov, Vladimir M., Camara, Osmane, Greaves, Graeme, Edmondson, Philip D., Zhang, Yanwen, and Donnelly, Stephen E. A candidate accident tolerant fuel system based on a highly concentrated alloy thin film. United States: N. p., 2019. Web. doi:10.1016/j.mtener.2019.03.004.
Tunes, Matheus A., Vishnyakov, Vladimir M., Camara, Osmane, Greaves, Graeme, Edmondson, Philip D., Zhang, Yanwen, & Donnelly, Stephen E. A candidate accident tolerant fuel system based on a highly concentrated alloy thin film. United States. doi:10.1016/j.mtener.2019.03.004.
Tunes, Matheus A., Vishnyakov, Vladimir M., Camara, Osmane, Greaves, Graeme, Edmondson, Philip D., Zhang, Yanwen, and Donnelly, Stephen E. Tue . "A candidate accident tolerant fuel system based on a highly concentrated alloy thin film". United States. doi:10.1016/j.mtener.2019.03.004. https://www.osti.gov/servlets/purl/1513370.
@article{osti_1513370,
title = {A candidate accident tolerant fuel system based on a highly concentrated alloy thin film},
author = {Tunes, Matheus A. and Vishnyakov, Vladimir M. and Camara, Osmane and Greaves, Graeme and Edmondson, Philip D. and Zhang, Yanwen and Donnelly, Stephen E.},
abstractNote = {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 displayed the generation of both defect clusters and inert gas bubbles at around 1.5 × 1016 ions·cm–2 (15.4 dpa). Post-irradiation characterisation demonstrated 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.},
doi = {10.1016/j.mtener.2019.03.004},
journal = {Materials Today Energy},
issn = {2468-6069},
number = C,
volume = 12,
place = {United States},
year = {2019},
month = {4}
}

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