Preparation and morphology of single crystal α-Al2O3 nano-particles by combustion chemical deposition

被引：7
|
作者：
Zhang, Zengzhi [1 ]
Zhou, Shuang [1 ]
Chen, Zhichun [1 ]
机构：
[1] China Univ Min & Technol Beijing, Sch Mech Elect & Informat Engn, Beijing 100083, Peoples R China
来源：
2011 CHINESE MATERIALS CONFERENCE | 2012年 / 27卷
关键词：
combustion chemical deposition; alpha-Al2O3; single crystal; nano-particles;
D O I：
10.1016/j.proeng.2011.12.583
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The single crystal alpha-Al2O3 nano-powder was prepared by combustion chemical deposition. The crystal growth process was observed with TEM and SEM. The optimum technological condition was determined. The results showed that most of alpha-Al2O3 particles were hexagonal columnar and spherical. And a very small amount of particles were rhombohedra. The alpha-Al2O3 nano-powder with well-distribute particle size could be obtained under the conditions of high temperature, low reactant concentration, appropriate detention time and fast cooling. (C) 2011 Published by Elsevier Ltd.
引用
收藏
页码：1284 / 1291
页数：8
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