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Crystallization of gel-derived alumina and alumina-zirconia ceramics

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Abstract

The crystallization behaviour and phase relations in gel-derived alumina and alumina-zirconia ceramics has been investigated. Zirconia was found to form a limited metastable solid solution with the alumina matrix. When present in solid solution, zirconia phase appeared to enhance rapid growth of corundum grains. There was no apparent grain refinement in the alumina-zirconia composites. The implications of microporous gel structures on the modification of microstructures in these gel-derived ceramics are discussed.

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Author notes

  1. I. M. Low

    Present address: Department of Materials Engineering, Curtin University of Technology, GPO Box U 1987, 6001, Perth, Australia

Authors and Affiliations

  1. Department of Materials Engineering, Monash University, 3168, Clayton, Victoria, Australia

    I. M. Low & R. McPherson

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  1. I. M. Low
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  2. R. McPherson
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Low, I.M., McPherson, R. Crystallization of gel-derived alumina and alumina-zirconia ceramics. J Mater Sci 24, 892–898 (1989). https://doi.org/10.1007/BF01148774

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