Diffusion Couple Investigations of Ce-Sb Compounds with Fe
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)
Fission product lanthanides can migrate to the fuel periphery and react with cladding, causing fuel-cladding chemical interaction (FCCI). Adding a fuel additive dopant, such as Sb, can bind lanthanides, such as Ce, into metallic compounds to prevent migration. The present study focuses on the thermodynamic stability of Ce-Sb compounds when in contact with the major cladding constituent Fe by conducting diffusion couple tests. Here, Ce-Sb compounds have shown high thermodynamic stability as they did not react with Fe; when Fe-Sb compounds contacted with Ce, Sb was separated out of the Fe-Sb compounds and formed the higher stability Ce-Sb compounds.
- Research Organization:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE Office of Nuclear Energy (NE); USDOE
- Grant/Contract Number:
- AC07-05ID14517; NE0008574
- OSTI ID:
- 1461090
- Alternate ID(s):
- OSTI ID: 1548920
- Report Number(s):
- INL-JOU-18-50161-Rev000
- Journal Information:
- Journal of Nuclear Materials, Vol. 499, Issue NA; ISSN 0022-3115
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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