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|Title:||Electron probe microanalysis of a METAPHIX UPuZr metallic alloy fuel irradiated to 7.0 at.% burn-up|
|Authors:||BREMIER Stephan; INAGAKI Kenta; CAPRIOTTI LUCA; POEML PHILIPP; OGATA T; OHTA Hirokazu; RONDINELLA Vincenzo|
|Citation:||JOURNAL OF NUCLEAR MATERIALS vol. 480 p. 109 - 119|
|Publisher:||ELSEVIER SCIENCE BV|
|Type:||Articles in periodicals and books|
|Abstract:||The METAPHIX project is a collaboration between CRIEPI and JRCITU investigating safety and performance of a closed fuel cycle option based on fast reactor metal alloy fuels containing Minor Actinides (MA). The aim of the project is to investigate the behaviour of this type of fuel and demonstrate the transmutation of MA under irradiation. A UPuZr metallic fuel sample irradiated to a burn-up of 7at.% was examined by electron probe microanalysis. The fuel sample was characterised qualitatively and quantitatively using elemental X-ray imaging and point analysis. The analyses reveal a significant redistribution of the fuel components highlighting a nearly complete depletion of Zr in the central part of the fuel. Numerous rare earth and fission products secondary phases are present. Fuel cladding chemical interaction was observed with creation of a number of intermediary layers affecting a cladding depth of 15-20 μm and migration of cladding elements to the fuel.|
|JRC Directorate:||Nuclear Safety and Security|
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