Fabrication of Nano-Scaled a-Al sub(2)O sub(3) Crystallites Through Heterogeneous Precipitation of Boehmite in a Well-Dispersed f-Al sub(2)O sub(3)-Suspension

Fabrication of Nano-Scaled a-Al sub(2)O sub(3) Crystallites Through Heterogeneous Precipitation of Boehmite in a Well-Dispersed f-Al sub(2)O sub(3)-Suspension

The possibility of eliminating finger or vermicular growth of a-Al sub(2)O sub(3) particles obtained by calcination of boehmite was examined. Heterogeneous precipitation of boehmite in a well-dispersed f-Al sub(2)O sub(3) suspension was first prepared, in which the mass ratio of boehmite to f-crysta...

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Veröffentlicht in:Journal of the American Ceramic Society 2007-08, Vol.90 (8), p.2340-2346
Hauptverfasser: Yu, Pei-Ching, Yang, Rung-Je, Chang, Ya-Ting, Yen, Fu-Su
Format: Artikel
Sprache:eng
Schlagworte:
Agglomerates
Boehmite
Crystallites
Fingers
Nanostructure
Nucleation
Precipitation
Transformations
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Zusammenfassung:The possibility of eliminating finger or vermicular growth of a-Al sub(2)O sub(3) particles obtained by calcination of boehmite was examined. Heterogeneous precipitation of boehmite in a well-dispersed f-Al sub(2)O sub(3) suspension was first prepared, in which the mass ratio of boehmite to f-crystallite was evaluated to form agglomerates of similar sizes that will form a-Al sub(2)O sub(3) crystallites of
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1551-2916.2007.01746.x