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fib/sem examination of a high burn-up uo2 in the center of the pellet

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Fig. 1. Crystallographic contrast image at the limit of the central precipitation zone on a 61 GWd/t U  irradiated UO 2 , from ref
Fig. 4 gives, for the examined rod, a simplified history of the average linear power. The highest mean linear powers, around  200 W.cm -1 , were during the first cycle
Fig. 7 shows the tenth image of a FIB/SEM sequence of 270 images. This FIB/SEM work was conducted close to the center  of the radial cut of the 73 GWd/t U  sample
Fig. 8 shows, as examples, 8 of these 270 images, one out of 33 of the images of this series
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