Assessment of Te as a U-Zr fuel additive to mitigate fuel-cladding chemical interactions
Journal Article
·
· Journal of Nuclear Materials
- Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
Tellurium was investigated as a potential additive to metallic fuel (e.g. U-10Zr) to mitigate fuel-cladding chemical interaction (FCCI). A primary cause of FCCI is the lanthanide fission products migrating to the fuel periphery and interacting with cladding, Te therefore was used to bind the lanthanides into stable compounds in the U-10Zr. The present work investigates the microstructures of as-cast and annealed U-10Zr-4Te and U-10Zr-4Te-4Ce alloys (weight percent) with scanning electron microscope and transmission electron microscopy. In conclusion, tellurium was found to bind Ce and form CeTe compound, which will mitigate lanthanides migration to the cladding.
- Research Organization:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Nuclear Energy (NE)
- Grant/Contract Number:
- AC07-05ID14517; NE0008574
- OSTI ID:
- 1482199
- Report Number(s):
- INL/JOU-18-45242-Rev000
- Journal Information:
- Journal of Nuclear Materials, Journal Name: Journal of Nuclear Materials Journal Issue: C Vol. 513; ISSN 0022-3115
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Evaluation of Tellurium as a Fuel Additive in Neodymium-Containing U-Zr Metallic Fuel
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journal | November 2019 |
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