期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 27, 期 2-3, 页码 707-710出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2006.04.050
关键词
spinels; precursors - organic; sol-gel processes; combustion synthesis
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.
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