Anisotropic abnormal grain growth in TiO2/SiO2-doped alumina

被引：0
|
作者：
Kim, YM [1 ]
Hong, SH
Kim, DY
机构：
[1] Seoul Natl Univ, Sch Mat Sci & Engn, Seoul 151742, South Korea
[2] Seoul Natl Univ, Ctr Microstruct Sci Mat, Seoul 151742, South Korea
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2000年 / 83卷 / 11期
关键词：
D O I：
10.1111/j.1151-2916.2000.tb01636.x
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：
The effect of TiO2/SiO2, addition on the grain growth of alumina was reinvestigated. TiO2 promoted the grain growth, but there was no abnormal grain growth. However, codoping of TiO2 and SiO2 resulted in a duplex microstructure consisting of large platelike grains, similar to 800 mum long and similar to 100 mum thick, and fine matrix grains, The observed anisotropic abnormal grain growth was explained in terms of liquid formation during heat treatment.
引用
收藏
页码：2809 / 2812
页数：4
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