Abstract

The local grain orientations and the distribution ofY2Ba4CuUOx (U-2411) phase are measured within melt-textured YBCO samples by means ofelectron backscatter diffraction (EBSD). In this work, several samples with varyingaddition (0.1–0.8 wt%) of depleted uranium oxide (DU) were analysed by means ofEBSD. The embedded U-2411 particles were found to have sizes around 200 nm,some large particles being present in the samples with a high DU concentration.Combined EBSD and EDX analysis enabled the identification of the Kikuchipatterns of the U-2411 phase, so that a true three-phase EBSD scan (YBCO,Y2BaCuO5 and U-2411) becomes possible.

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