Optimization of BaZrO3 sintering by control of the initial powder size distribution;: a factorial design statistical analysis

被引:33
作者
Guillaume, B
Boschini, F
Garcia-Cano, I
Rulmont, A
Cloots, R
Ausloos, M
机构
[1] Univ Liege, Inst Chem, Dept Chem, Lab Chim Inorgan Struct,SUPRATECS, B-4000 Liege, Belgium
[2] Univ Liege, Phys Inst B5, Dept Phys, B-4000 Liege, Belgium
关键词
design of experiments (DOE); grain growth; sintering; porosity; perovskites; BaZrO3;
D O I
10.1016/j.jeurceramsoc.2004.09.022
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
A factorial design statistical analysis has been conducted in order to obtain the optimum conditions in the solid state sintering process of barium zirconate bulk materials, optimum with respect to density, closed and open porosities. The optimized heat treatment permits to sinter a 99% dense barium zirconate sample at 1650 degrees C during only 2 h. When the temperature is higher than 1650 degrees C or when the heating time is longer than 2 h, a decrease in density is observed. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:3593 / 3604
页数:12
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