Recent Results of Microstructural Characterization of Irradiated Light Water Reactor Fuels using Scanning and Transmission Electron Microscopy
Recent electron microscopy investigations are presented with emphasis on properties related to the safe extended operation of nuclear fuel. In particular, this paper considers the formation of the high burnup structure (HBS), the prevailing microstructural aspects associated to spent fuel aging, and the release of fission products under accidental condition. Examples of microstructures associated to transient-tested samples, but also to very high burnup fuel or heterogeneous MOX are presented together with results on damage formation in UO2 samples doped with 238Pu to study the specific effect of alpha-damage on the microstructure during the cooling/storage time of irradiated fuel. Examples of single effect studies (e.g. on the behaviour of tellurium, a typical volatile fission product) using ion-implantations are also presented.
WISS Thierry;
THIELE Hartmut;
JANSSEN Arne;
PAPAIOANNOU Dimitrios;
RONDINELLA Vincenzo;
KONINGS Rudy;
2013-05-14
Springer Sciences & Business Media, LLC (Springer) 233 Spring St.,
JRC74251
1047-4838,
http://link.springer.com/article/10.1007%2Fs11837-012-0483-1,
https://publications.jrc.ec.europa.eu/repository/handle/JRC74251,
10.1007/s11837-012-0483-1,
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