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Preparation of High Pure and Micron-Sized α-Al2O3 Powder by Activated Aluminium Hydrolysis Method

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Abstract:

In this paper, high pure α-Al2O3 powder is prepared through active hydrolysis by using high pure aluminum as raw material . Using X-ray diffractometer, scanning electron microscope, laser particle size analyzer and ICP-OES to research the phase transitions, organizational structure, particle size distribution and the purity of the α-Al2O3 powder. The results show that: the high pure α-Al2O3 powder have micrometer level of the size, good dispersion and purity of 5N under atomization, hydrolysis reaction and calcination at 1200°C for three hours.

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Periodical:

Advanced Materials Research (Volume 988)

Pages:

89-92

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.988.89

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Online since:

July 2014

Authors:

Ran Tao*, Yu Tao Zhao, Zhi Hong Jia, Liang Xu

Keywords:

Atomization, High Pure Aluminum, High Pure α-Al2O3 Powder, Hydrolysis Reaction

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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