Comparative Study on Preparation of Al2O3-ZrO2 Composite Powders by the Complexing Precipitate and Carbonblack Coating Methods

Abstract:

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Al2O3-ZrO2 composite powders were prepared by the Complexing precipitate method and Carbonblack coating method, and then the powders were characterized by laser particle size analyzer, XRD, and TEM. The results show that: the two methods are both can be used to prepare Al2O3-ZrO2 composite powders. The particle size of the composite powders prepared by Carbonblack coating method is larger than that prepared by Complexing precipitate method. From TEM, it can be seen that the distributions of Al2O3 and ZrO2 in the composite powders prepared by Complexing precipitate method are more uniform. ZrO2 was coated by Al2O3 particles mostly, however, in the composite powders prepared by Carbonblack coating method, part of the particles agglomerated seriously.

Info:

Periodical:

Edited by:

Qingzhou Xu

Pages:

139-143

DOI:

10.4028/www.scientific.net/AMR.721.139

Citation:

G. L. Yuan et al., "Comparative Study on Preparation of Al2O3-ZrO2 Composite Powders by the Complexing Precipitate and Carbonblack Coating Methods", Advanced Materials Research, Vol. 721, pp. 139-143, 2013

Online since:

July 2013

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$35.00

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