New synthesis methods of MgAl2O4 spinel

被引：120
|
作者：
Pacurariu, C.
Lazau, I.
Ecsedi, Z.
Lazau, R.
Barvinschi, P.
Marginean, G.
机构：
[1] Politech Univ Timisoara, Fac Ind Chem & Environm Engn, Timisoara 300006, Romania
[2] W Univ Timisoara, Fac Phys, Timisoara, Romania
[3] Fachhochsch Gelsenkirchen, D-45877 Gelsenkirchen, Germany
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2007年 / 27卷 / 2-3期
关键词：
spinels; precursors; -; organic; sol-gel processes; combustion synthesis; MAGNESIUM ALUMINATE SPINEL; SOL-GEL PROCESS; NANOCRYSTALLINE MGAL2O4; TEMPERATURE; POWDER;
D O I：
10.1016/j.jeurceramsoc.2006.04.050
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：
The paper presents a study concerning the influence of the precursors upon the synthesis temperature, particle size and morphology of the MgAl2O4 spinel. With this view there have been used by comparison three synthesis methods: thermal conversion of the heteropolynuclear complex combination resulted from the oxidation reaction of 1,2-ethanediol with Mg and Al nitrates; combustion method based on the exothermal redox reaction of Mg and Al nitrates with an adequate fuel (urea, glycine, P-alanine) and sol-gel method, starting from alummium isopropoxide and Mg nitrate. The obtained samples have been characterized by X-Ray diffraction and scanning electron microscopy. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：707 / 710
页数：4
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