Investigation of zinc stannate synthesis using photoacoustic spectroscopy

被引：0

作者：

Ivetic, T.

Nikolic, M. V.

Nikolic, P. M.

Blagojevic, V.

Duric, S.

Srekovic, T.

Ristic, M. M.

机构：

[1] Serbian Acad Arts & Sci, Inst Tech Sci, Belgrade 11000, Serbia

[2] Univ Belgrade, Ctr Multidisciplinary Studies, Belgrade 11000, Serbia

[3] Univ Belgrade, Fac Elect Engn, Belgrade 11000, Serbia

来源：

SCIENCE OF SINTERING | 2007年 / 39卷 / 02期

关键词：

zinc stannate; mechanical activation; sintering; photoacoustic spectroscopy;

D O I：

10.2298/SOS0702153I

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：

Mixtures of ZnO and SnO2 powders, with molar ratio of 2:1, were mechanically activated for 40, 80 and 160 minutes in a planetary ball mill. The resulting powders were compacted into pellets and non-isothermally sintered up to 1200 degrees C with a heating rate of 5 degrees C/min. X-ray diffraction analysis of obtained powders and sintered samples was performed in order to investigate changes of the phase composition. The microstructure of sintered samples was examined by scanning electron microscopy. The photoacoustic phase and amplitude spectra of sintered samples were measured as a function of the laser beam modulating frequency using a transmission detection configuration. Fitting of experimental data enabled determination of photoacoustic properties including thermal diffusiviiy. Based on the results obtained a correlation between thermal diffusivity and experimental conditions as well the samples microstructure characteristics was discussed.

引用

页码：153 / 160

页数：8

共 10 条

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