Fig.1-6 (a) Schematic image and appearance of simulated MCCI product, (b) optical micrograph of a cross section of the simulated MCCI product, (c) SEM image of the upper region in the once-melted zone, and (d) SEM image of the bottom region in the once-melted zone
Core materials mixture was placed on a piece of concrete and MCCI was simulated using a light-concentrated heating technique. The cross-sectional images of the once-melted zone show that dark silicate glass (containing Sr and Ba) is dominant in the upper region, while (U,Zr)O2 is rich in the bottom region.
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