Formation characteristics of an aluminum hydroxide fiber by a hydrolysis of aluminum nano powder

被引：19
|
作者：
Oh, Young Hwa
Rhee, Chang Kyu [1 ]
Kim, Do Hyang
Lee, Geun Hee
Kim, Whung Whoe
机构：
[1] Korea Atom Energy Res Inst, Taejon 305353, South Korea
[2] Yonsei Univ, Dept Met Engn, Seoul 120749, South Korea
来源：
JOURNAL OF MATERIALS SCIENCE | 2006年 / 41卷 / 13期
关键词：
CRYSTALLIZATION; BOEHMITE; MORPHOLOGY; METAL;
D O I：
10.1007/s10853-006-6988-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Formation of aluminum hydroxide by a hydrolytic reaction of nano aluminum powder synthesized by a pulsed wire evaporation (PWE) method has been studied. The type and morphology of the hydroxides were investigated with various initial pH and temperatures. The nano fibrous boehmite (AlOOH) was formed predominantly over 40 degrees C of the hydrolytic temperature, while the bayerite (Al(OH)(3)) was formed predominantly below 30 degrees C with a faceted crystalline structure. As a result, the boehmite showed a much larger specific surface area (SSA) than that of bayerite. The highest SSA of the boehmite was found about 409 m(2)/g. (c) 2006 Springer Science + Business Media, Inc.
引用
收藏
页码：4191 / 4195
页数：5
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