Abstract
The properties of ZrO2 - 3 mole% Y2O3 nanocrystalline powder prepared by diffusion impregnation are studied. The original nanocrystalline powder of M-ZrO2 is prepared with hydrothermal treatment of aqueous zirconium hydroxychloride solution by different regimes. It is found that after diffusion impregnation for all of the powders with yttrium oxide two solid solutions are formed (F-ZrO2 and M-ZrO2) in mixture. It is established that the morphological features typical for the original powders are retained. The efficiency of diffusion impregnation is determined by the slightly-agglomerated powder with a high degree of crystallinity.
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