Zircon synthesis via sintering of milled SiO{sub 2} and ZrO{sub 2}
Journal Article
·
· Journal of the American Ceramic Society
OSTI ID:638373
- Los Alamos National Lab., NM (United States). Nuclear Materials Technology Div.
The formation of zircon (ZrSiO{sub 4}) via sintering of milled SiO{sub 2} and ZrO{sub 2} powders was studied, and the effects of slurry vs dry milling, sintering time, and particle size on zircon yield were examined. It was found that very high zircon yields could be obtained via slurry milling, cold pressing, and sintering of the oxide precursors. The controlling factor in determining zircon yield was found to be the particle size of the SiO{sub 2} and ZrO{sub 2} powders. Zircon yield as a function of sintering time was examined, and found to be similar to previous studies in which sol-gel precursors seeded with zircon were used. SEM studies reveal a homogeneous product with particle sizes on the order of 1--5 {micro}m. It was found that complete reaction to zircon can be achieved from a once-through milling, pressing, and sintering process of SiO{sub 2}-ZrO{sub 2} powders.
- OSTI ID:
- 638373
- Journal Information:
- Journal of the American Ceramic Society, Journal Name: Journal of the American Ceramic Society Journal Issue: 7 Vol. 81; ISSN 0002-7820; ISSN JACTAW
- Country of Publication:
- United States
- Language:
- English
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