Abstract
In this paper, we report the properties of Sm and Zr co-doped CeO2 ceramic, which synthesized by conventional solid state reaction. Sm content in Ce site was fixed at 20 mol%, meanwhile Zr was varied in the range of 5 to 15 mol%. All samples was pressed under 26 MPa before sintered at 1400 °C for 5 hours. The X-ray diffraction patterns of samples confirm all the samples are in single-phase with cubic fluorite structure. The lattice parameter decreases with increase in Zr concentration. The relative density of all samples was more that 95%. The microhardness achieved highest value for sample with 0.05 mol% of Zr. The shrinkage and the change of bulk density shows direct correlation.
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