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http://dx.doi.org/10.5516/NET.2009.41.2.155

HIGH BURNUP CHANGES IN UO2 FUELS IRRADIATED UP TO 83 GWD/T IN M5(R) CLADDINGS  

Noirot, J. (CEA, DEN, DEC Cadarache)
Aubrun, I. (CEA, DEN, DEC Cadarache)
Desgranges, L. (CEA, DEN, DEC Cadarache)
Hanifi, K. (CEA, DEN, DEC Cadarache)
Lamontagne, J. (CEA, DEN, DEC Cadarache)
Pasquet, B. (CEA, DEN, DEC Cadarache)
Valot, C. (CEA, DEN, DEC Cadarache)
Blanpain, P. (AREVA-NP)
Cognon, H. (EDF/SEPTEN)
Publication Information
Nuclear Engineering and Technology / v.41, no.2, 2009 , pp. 155-162 More about this Journal
Abstract
Since the 90's, EDF and AREVA-NP have irradiated, up to very high burnups, lead assemblies housing $M5^{(R)}$ cladded fuels. Post-irradiation examination of high burnup $UO_2$ pellets show an increase in the fission-gas release rate, an increase in fuel swelling, and formation of fission-gas bubbles throughout the pellets. Xenon abundances were quantified, and phenomena leading to this bubble formation were identified. All examinations provided valuable data on the complex state of the fuel during irradiation. They show the good behavior of these fuels, exhibiting various microstructures at very high burnups, none of which is likely to lead to problems during irradiation.
Keywords
Fuel; Cladding; High Burn-up; Fuel Swelling; Fission Gas Release;
Citations & Related Records

Times Cited By Web Of Science : 3  (Related Records In Web of Science)
Times Cited By SCOPUS : 1
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