Influence of MgO addition on the synthesis and electrical properties of sintered zinc-titanate ceramics
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Nikolić, Maria Vesna
Minić, Dragica M.
Ristić, Momčilo M.
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Starting mixtures of ZnO, TiO2 and MgO (0, 1.25 and 2.5 wt.% MgO) powders were mechanically activated for 15 min in a planetary ball mill. The powders obtained were sintered non-isothermally to temperatures between 800 and 1100 °C and then held at those temperatures for 120 min. Analysis of the influence of MgO addition on the synthesis of zinc-titanate ceramics showed that its addition increased slightly the temperature at which the reaction process started, accelerated the reaction and resulted in higher sample densities. These results were correlated with the results of structural characterization using X-ray powder diffraction method and SEM analysis. Also, the results of electric resistivity, capacitance and loss tangent of the sintered samples were obtained. © 2008 Elsevier B.V. All rights reserved.
Кључне речи:sintering / ceramics / mechanochemical processing / X-ray diffraction
Извор:Journal of Alloys and Compounds, 2009, 471, 1-2, 272-277
- Проучавање међузависности у тријади ''синтеза-структура-својства'' за функционалне материјала (RS-142011)