Fig. 1: SEM images of UO2 pellets with different grain sizes and compositions. | npj Materials Degradation

Fig. 1: SEM images of UO2 pellets with different grain sizes and compositions.

From: Transient behavior of oxide fuels with controlled microstructure and Cr2O3 additive

Fig. 1: SEM images of UO2 pellets with different grain sizes and compositions.The alternative text for this image may have been generated using AI.

a the SEM image of pure UO2-44 cycle-7.8 μm- 93% TD; b the SEM image of Cr2O3 doped UO2-44 cycle-10.4 μm-95% TD; c the SEM image of Cr2O3 doped UO2-44 cycle-22.2 μm-97% TD (in a, b, and c the length of scale bar is 40 μm); d the SEM image of pure UO2-80 cycle-292 nm-94% TD and the length of scale bar is 4 μm; e the SEM image of Cr2O3 doped UO2-80 cycle-293 nm-93% TD and the length of scale bar is 2 μm; f the SEM image of pure UO2-80 cycle-418 nm-95% TD and the length of scale bar is 4 μm; g a BSE image of Cr2O3 doped UO2-44 cycle-10.4 μm-95% TD with the scale bar of 5 μm; h, i, and j are the EDS mapping results for different elements (U, O, and Cr, respectively).

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