ENTRAPPED GAS EFFECT IN THE FAST FIRING OF YTTRIA-DOPED ZIRCONIA

被引：28
|
作者：
KIM, DH
KIM, CH
机构：
[1] Department of Ceramic Science and Engineering, Korea Advanced Institute of Science and Technology, Taejon
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1992年 / 75卷 / 03期
关键词：
chlorine; firing; microwaves; yttria; zirconia;
D O I：
10.1111/j.1151-2916.1992.tb07865.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：
Compared to conventional sintering of Y2O3-doped ZrO2 using a slow heating rate of 10-degrees-C/min, microwave sintering and fast firing using a rapid heating rate of about 500-degrees-C/min resulted in lower final sintered densities. It is attributed to the residual chlorine in commercial zirconia powders manufactured by the chloride process. By calcining at 1100-degrees-C for 1 h to remove residual chlorines from the powder compacts, near full densities (> 99% of theoretical) could be obtained by both fast firing and microwave sintering.
引用
收藏
页码：716 / 718
页数：3
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