Izvorni znanstveni članak
Spectroscopy Study of Synthetic Forsterite Obtained from Zeolite Precursors
C. Kosanović
N. Stubičar
N. Tomašić
M. Stubičar
B. Subotić
A. Gajović
L. Sekovanić
Sažetak
Important ceramics materials are prepared from aluminosilicate based precursors using novel methods, offering at the same time a better control over many important properties. Forsterite, due to its good refractoriness with melting point at 2163 K, excellent electrical insulation properties even at high temperatures, low dielectric permittivity, thermal expansion and chemical stability, is a material of interest to engineers and designers especially as an active medium for tuneable laser and is also a material of interest to SOFC (Solid oxide fuel cells) manufacturers.
The aim of this study is to investigate the synthesis of crystalline forsterite using different zeolite precursors previously activated by ball milling.
Synthetic forsterite was synthesized from different zeolite precursors and MgO combining highenergy ball milling and thermal treatment of the mixture under determined conditions of time and temperature for each operation. In this research are studied the solid-state phase transformations taking place at temperatures below 1273 K.
The obtained products were characterized using different spectroscopy techniques in comparison with surface analysis method and X-ray diffraction.
Ključne riječi
Forsterite; ball milling; X-ray diffraction, FT-IR spectroscopy; Raman spectroscopy
Hrčak ID:
19771
URI
Datum izdavanja:
7.2.2008.
Posjeta: 1.828 *