Performance of FCCI barrier foils for U-Zr-X metallic fuel

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Diffusion couple tests of U-Zr or U-Zr-Ce alloys vs. ferritic martensitic steels such as HT9 or T91 were carried out in order to evaluate the performance of the diffusion barrier candidates. Elemental metal foils of Zr. Nb, Ti. Mo, Ta, V and Cr were very effective in inhibiting interdiffusion between these fuels and steels. Eutectic melting between the fuels and steels was not observed in any of the diffusion couples using these diffusion barrier foils at annealing temperatures up to 800 degrees C. Among the metallic foils evaluated in this study, V and Cr exhibited the most promising performances as a diffusion barrier material for eliminating the fuel cladding chemical interaction problem. However, Zr, Nb and Ti showed an active interaction with the fuel mainly due to the large U solubility. (C) 2009 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2009-07
Language
English
Article Type
Article; Proceedings Paper
Citation

JOURNAL OF NUCLEAR MATERIALS, v.392, no.2, pp.206 - 212

ISSN
0022-3115
DOI
10.1016/j.jnucmat.2009.03.011
URI
http://hdl.handle.net/10203/247012
Appears in Collection
NE-Journal Papers(저널논문)
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