Hydrothermal synthesis of porous Al2O3/Al metal ceramics:: 1.: Oxidation of aluminum powder and structure formation of porous Al(OH)3/Al composite

被引：11

作者：

Rat'ko, AI ^{[1
]}

Romanenkov, VE

Bolotnikova, EV

Krupen'kina, ZV

机构：

[1] Byelarussian Acad Sci, Inst Gen & Inorgan Chem, Minsk 270072, BELARUS

[2] Minist Educ Republ Belarus, Inst Adv Training & Retraining Personnel, Minsk, BELARUS

来源：

KINETICS AND CATALYSIS | 2004年 / 45卷 / 01期

关键词：

D O I：

10.1023/B:KICA.0000016114.78885.00

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：

The properties of ASD-1 aluminum powder and its oxidation with water at 100degreesC were studied. It was found that the microstructure of a surface oxide film and the conditions of oxidation significantly affected the dynamics of changes in the pH of the solution and in the degree of aluminum conversion into the hydroxide. Experimental data on the oxidation in combination with electron-microscopic measurements and the determination of adsorption and texture characteristics resulted in the conclusion that colloid-chemical processes, which include the dissolution of aluminum and the formation and precipitation of the hydroxo complexes of aluminum, are fundamental for the synthesis of porous metal ceramics.

引用

页码：141 / 148

页数：8

共 50 条

[1] Hydrothermal Synthesis of Porous Al2O3/Al Metal Ceramics: I. Oxidation of Aluminum Powder and Structure Formation of Porous Al(OH)3/Al Composite
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V. E. Romanenkov
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Zh. V. Krupen'kina
Kinetics and Catalysis, 2004, 45 : 141 - 148
[2] Hydrothermal synthesis of porous Al2O3/Al metal ceramics:: II.: Mechanism of formation of a porous Al(OH)3/Al composite
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[3] Hydrothermal Synthesis of Porous Al2O3/Al Metal Ceramics: II. Mechanism of Formation of a Porous Al(OH)3/Al Composite
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