Thermal Properties and Microstructure of Zirconia/Monazite-Type LaPO4 Composites for Powder Preparation Methods

Abstract:

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Thermal conductivity and microstructure of 3YSZ/monazite-type LaPO4 composites were investigated. Powders were prepared by two kinds of preparation methods such as conventional ball-milled and chemical precipitation of LaPO4 on the zirconia powder surface. Thermal conductivity of 3YSZ/monazite-type LaPO4 composites was lower than that of 3YSZ. That of 3YSZ/monazite-type LaPO4 composites was influenced on the powder preparation methods and as a function of measured temperature. Microstructure of 3YSZ/monazite-type LaPO4 composites was not much affected by the amount of dispersed LaPO4 particles. 3YSZ/monazite-type LaPO4 composites were observed to pores after thermal etched. The pore of synthesized specimens was observed remarkably in compared with conventional ball-milled specimens.

Info:

Periodical:

Materials Science Forum (Volumes 544-545)

Edited by:

Hyungsun Kim, Junichi Hojo and Soo Wohn Lee

Pages:

909-912

DOI:

10.4028/www.scientific.net/MSF.544-545.909

Citation:

S. H. Kim et al., "Thermal Properties and Microstructure of Zirconia/Monazite-Type LaPO4 Composites for Powder Preparation Methods", Materials Science Forum, Vols. 544-545, pp. 909-912, 2007

Online since:

May 2007

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Price:

$35.00

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