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| Titel: |
A NOVEL CHEMICAL ROUTE FOR PREPARATION OF NANOCRYSTALLINE α-Al2O3 POWDER |
| Auteur: |
Li, Guo-Jun Fu, Li-Bin Chen, Chun-Huan Cui, Xue-Jun Ren, Rui-Ming |
| Verschenen in: |
Chemical engineering communications |
| Paginering: | Jaargang 195 (2008) nr. 1 pagina's 35-42 |
| Jaar: |
2008-01 |
| Inhoud: |
A novel chemical method for preparing nanocrystalline α-Al2O3 powder has been developed in this study. The aluminum hydroxide precipitates were initially formed in a three-dimensional space network micro-area of the wet gel, and then the precursor was obtained after the wet gel was dried. The nanocrystalline α-Al2O3 powders were obtained after the precursor was calcined at 1100°C. The precursor and as-calcined powders were characterized using TGA-DTA, XRD, and TEM. The α-Al2O3 powders calcined at 1100°C for 2 h are of narrow distribution, little agglomeration, and small particle size of ∼51 nm. The reason for the synthesis of the high-quality powders is explained. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 7 gevonden artikelen
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