Study of aluminum hydroxide powder prepared by chemical dispersion of aluminum and its alloy

被引：1
|
作者：
Shlyapin, A. D. [1 ]
Omarov, A. Yu. [1 ]
Khairi, A. Kh. [1 ]
Trifonov, Yu. G. [1 ]
机构：
[1] FGBOU VPO Moscow State Ind Univ, Moscow, Russia
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2013年 / 53卷 / 05期
关键词：
hydrogen generator; aluminum hydroxide; chemical dispersion; aluminum; silumin; gibbsite; bayerite; powder dispersed composition; reaction kinetics; powder preparation methods;
D O I：
10.1007/s11148-013-9518-6
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：
Aluminum hydroxide is a secondary product during operation of a hydrogen generator. An alkaline reaction proceeding between aluminum or aluminum alloy and caustic soda may be considered as a chemical dispersion method with preparation of nanodispersed aluminum hydroxide powder. Particle fineness and morphology, and also aluminum hydroxide powder phase composition, are different with different preparation methods, and therefore x-ray-phase, petrographic, and dimensional analyses are performed for three powder samples. Two powder samples are studied, prepared by chemical dispersion of aluminum (sample 1) and silumin AK7 (sample 2). Results for industrially produced aluminum hydroxide powder, prepared by the Bayer method (sample 3) are studied for comparison.
引用
收藏
页码：317 / 321
页数：5
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