Microstructures of ZnAl2O4 formation from coarse and dense Al2O3 and granular ZnO in the presence of LiF

被引:4
作者
Hashiba, M [1 ]
Suzuki, K [1 ]
Sakurada, O [1 ]
Nurishi, Y [1 ]
机构
[1] Gifu Univ, Fac Engn, Dept Chem, Gifu 50111, Japan
关键词
solid-state reaction; lithium fluoride additive; zinc oxide; aluminum oxide; dissolution-precipitation reaction; microstructure; X-ray microanalysis;
D O I
10.1016/S0167-2738(97)00162-8
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Microstructural observation was conducted to examine the effect of intentionally controlled inhomogeneity in starting mixtures on ZnAl2O4 formation in the presence of LiF and to clarify how the intermediate phase containing LiF, ZnO and Al2O3 affected the microstructure changes during the reaction. It was found that the formation of ZnAl2O4 with LiF was controlled by dissolution of reactants and precipitation of product accompanied by materials transport through the intermediate liquid phase.
引用
收藏
页码:1007 / 1014
页数:8
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