Diffusion Interaction during Preparation of Nanocrystalline Powders in the System ZrO2-Y2O3

The properties of ZrO^sub 2^ - 3 mole% Y^sub 2^O^sub 3^ nanocrystalline powder prepared by diffusion impregnation are studied. The original nanocrystalline powder of M-ZrO^sub 2^ is prepared with hydrothermal treatment of aqueous zirconium hydroxychloride solution by different regimes. It is found t...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 2005-03, Vol.44 (3-4), p.105-111
Main Authors: Shevchenko, Alexei V., Dudnik, Elena V., Ruban, Alexei K., Vereshchaka, Vladimir M., Red’ko, Viktor P., Lopato, Lidiya M.
Format: Article
Language:English
Subjects:
Diffusion
Solid solutions
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Summary:The properties of ZrO^sub 2^ - 3 mole% Y^sub 2^O^sub 3^ nanocrystalline powder prepared by diffusion impregnation are studied. The original nanocrystalline powder of M-ZrO^sub 2^ 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-ZrO^sub 2^ and M-ZrO^sub 2^) 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.[PUBLICATION ABSTRACT]
ISSN:1068-1302
1573-9066
DOI:10.1007/s11106-005-0066-6