Ag transport in high temperature neutron irradiated 3C–SiC

The effect of high temperature neutron irradiation on the ability of a Pd–Ag mixture to penetrate 3C–SiC has been investigated. Previous work has revealed enhanced Ag transport in SiC in the presence of the fission product Pd. In this work it has been shown that high temperature neutron irradiation...

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Bibliographic Details
Published in:Journal of nuclear materials 2014-02, Vol.445 (1-3), p.20-25
Main Authors: O’Connell, J.H., Neethling, J.H.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fluence
Grain boundaries
Installations for energy generation and conversion: thermal and electrical energy
Irradiation
Neutron irradiation
Nuclear engineering
Palladium
Silicon carbide
Silver
Transport
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Summary:The effect of high temperature neutron irradiation on the ability of a Pd–Ag mixture to penetrate 3C–SiC has been investigated. Previous work has revealed enhanced Ag transport in SiC in the presence of the fission product Pd. In this work it has been shown that high temperature neutron irradiation leads to enhanced transport of this Pd–Ag mixture as compared to unirradiated material and that both high irradiation temperature and high neutron fluence is required for significant transport enhancement. The results suggest that grain boundary type and misorientation is not significantly altered by high temperature neutron irradiation, suggesting that these characteristics play only a secondary role in Pd–Ag transport.
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2013.10.050