Hydrothermal Crystallization of Zirconia and Zirconia Solid Solutions
- 1 October 1991
- journal article
- Published by Wiley in Journal of the American Ceramic Society
- Vol. 74 (10) , 2622-2629
- https://doi.org/10.1111/j.1151-2916.1991.tb06810.x
Abstract
Zirconia as well as yttria‐zirconia and calcia‐zirconia solid‐solution powders were crystallized under hydrothermal conditions from (co)precipitated hydroxides. The morphology of the powder particles is strongly dependent on the crystallization conditions. The powders crystallized in a water solution of Na, K, and Li hydroxides show elongated particles of much larger sizes than those which result from the process carried out in pure water or a water solution of Na, K, or Li chlorides. The shapes of the latter particles are isometric. The growth mechanism of the elongated particles is suggested.Keywords
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