Synthesis of Mullite Whisker from Fly Ash

被引:1
|
作者
Kim, Sung-Hwan [2 ]
Bang, Hee-Gon [1 ]
Park, Sang-Yeup [1 ,2 ]
机构
[1] Kangnung Natl Univ, Depament Ceram Engn, Kangnung 210702, Kangnwondo, South Korea
[2] Kangnung Natl Univ, Technol Innovat Ctr Fine Ceram, Kangnung 210702, Kangnwondo, South Korea
关键词
Fly ash; Mullite whisker; Alumina; Aspect ratio;
D O I
10.4191/kcers.2005.42.11.753
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
In this study, we attempted to recycle the fly ash as a mullite whisker with addition of Al2O3 to obtain the high yield of mullite whisker. During the reaction process, mullite whisker was formed with the reaction of amorphous alpha-Cristobalite and Anorthite above 1350 degrees C. With increasing the heat treatment temperature and time, the mean length and aspect ratio of mullite whiskers was gradually increased.
引用
收藏
页码:753 / 757
页数:5
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