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|Title:||Crystallization in seeded zirconia precipitates|
|Authors:||Wang, J. |
|Source:||Wang, J.,Ong, C.L.,Gan, L.M.,Ng, S.C. (1996-07). Crystallization in seeded zirconia precipitates. Materials Letters 27 (4-5) : 239-246. ScholarBank@NUS Repository.|
|Abstract:||Co-precipitation of mixed zirconium oxynitrate and yttrium nitrate in a diluted ammonia solution (pH 10-10.5) has been used to prepare 3 mol% Y2O3 stabilized zirconia powders. The addition of ultra-fine zirconia particles (crystalline size < 10 nm) in the co-precipitated amorphous zirconium hydroxides results in a decrease in the crystallization temperature of zirconia, from 458°C for the unseeded composition to 434°C for the composition containing 30 wt% ultra-fine zirconia particles. In contrast, the addition of zirconia particles of 60 to 70 nm in crystalline sizes in the co-precipitated zirconium hydroxides has no effect on the crystallization temperature.|
|Source Title:||Materials Letters|
|Appears in Collections:||Staff Publications|
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