Effect of the Formation of SiC Whisker on the Properties of Al2O3-ZrO2-C Materials

Abstract:

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SiC whisker was produced through the reaction between carbon and silicon powders during the sintering of Al2O3-ZrO2-C materials. The thermodynamic conditions and growth mechanism were discussed. The results showed that rod-shaped and dumbbell-shaped SiC whiskers are formed, respectively. The main composition of the beads in dumbbell-shaped whisker is SiOX with a small amount of Na and Ca, but the rods are SiC. In addition, the dumbbell-shaped SiC whisker contributed less than straight rod-shaped SiC whisker to improving the physical properties of Al2O3-ZrO2-C materials.

Info:

Periodical:

Key Engineering Materials (Volumes 336-338)

Edited by:

Wei Pan and Jianghong Gong

Pages:

1263-1265

DOI:

10.4028/www.scientific.net/KEM.336-338.1263

Citation:

H. Z. Gu et al., "Effect of the Formation of SiC Whisker on the Properties of Al2O3-ZrO2-C Materials", Key Engineering Materials, Vols. 336-338, pp. 1263-1265, 2007

Online since:

April 2007

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Price:

$35.00

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