Economical synthesis of Al2O3 nanopowder using a precipitation method |
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| Authors: | S.A. Hassanzadeh-Tabrizi |
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| Affiliation: | Department of Materials Science and Engineering, Tarbiat Modares University, PO Box 14115-143, Tehran, Iran |
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| Abstract: | Al2O3 nanopowder was synthesized by the precipitation method using inexpensive AlCl3·6H2O and Al powder as raw materials. The dried precipitate was heat treated in the range of 60-1200 °C. The influence of heat treatment on crystallization and phase transformation of the precipitate was investigated using X-ray diffractometry (XRD), thermogravimetry and differential thermal analysis (TG-DTA) and Fourier transform infrared spectroscopy (FTIR). Scanning electron microscopy (SEM) reveals that the particle size of the powders lies between 30 and 95 nm. |
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| Keywords: | Powder technology Nanomaterials Alumina Precipitation method |
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