Effect of Oxide Additives on the Aspect Ratio Control of Mullite Whiskers

Abstract:

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Mullite whiskers were synthesized by the reaction of fly-ash and alumina powder. During the reaction process, the effect of oxide additives on the formation of mullite whisker was investigated. Mullite whisker was synthesized above 1350oC with the addition of excess alumina, and the aspect ratio of mullite whisker increased with increasing sintering temperature and time. Also, the aspect ratio of mullite whisker is dependent on the liquid phase based on silicate composition. The effect of various oxide additives on the aspect ratio of mullite whisker was investigated.

Info:

Periodical:

Materials Science Forum (Volumes 486-487)

Edited by:

Hyung Sun Kim, Sang-Yeop Park, Bo Young Hur and Soo Wohn Lee

Pages:

538-541

DOI:

10.4028/www.scientific.net/MSF.486-487.538

Citation:

S. Y. Park et al., "Effect of Oxide Additives on the Aspect Ratio Control of Mullite Whiskers ", Materials Science Forum, Vols. 486-487, pp. 538-541, 2005

Online since:

June 2005

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Price:

$35.00

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