Mechanical synthesis of nanocrystalline alpha-Al2O3 seeds for enhanced transformation kinetics

被引：61
|
作者：
Panchula, ML
Ying, JY
机构：
[1] MIT,DEPT CHEM ENGN,CAMBRIDGE,MA 02139
[2] MIT,DEPT MAT SCI & ENGN,CAMBRIDGE,MA 02139
来源：
NANOSTRUCTURED MATERIALS | 1997年 / 9卷 / 1-8期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/S0965-9773(97)00043-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mechanical synthesis of nanocrystalline alpha-Al2O3 seeds from gamma-Al2O3 to enhance the phase transformation kinetics of alumina is described. The effect of milling rime on crystallite size, transformation temperature, transformation kinetics, and seed density are reported. it is shown that the transformation rate can be increased by several orders of magnitude by milling the material for short time periods. (C) 1997 Acta Metallurgica Inc.
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页码：161 / 164
页数：4
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