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|Title:||Stereological Evolution of the RIM Structure in PWR Fuels at Prolonged Irradiation: Dependencies with Burn-up and Temperature|
|Authors:||SPINO JOSE LUIS; STALIOS A.d.; SANTA CRUZ Hernan; BARON P.|
|Citation:||JOURNAL OF NUCLEAR MATERIALS vol. 354 p. 66-84|
|Type:||Articles in periodicals and books|
|Abstract:||The stereology of the rim-structure was studied for PWR-fuels up to the ninth irradiation cycle, achieving maximum local burn-ups of 240 GWd/tM and beyond. At intermediate radial positions (0.55 < r/r0 < 0.7), a small increase of the pore and grain size of recrystallized areas was found, which is attributed to the increase of the irradiation temperatures in the outer half-pellet-radius due to deterioration of the thermal conductivity.|
|JRC Directorate:||Nuclear Safety and Security|
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