Effect of Sintering Temperature on the Synthesis of High Purity Cordierite

Cordierite is silicate material widely used in ceramic industry. The effect of sintering temperature to the properties of cordierite by sol gel method was studied with utilizing magnesium nitrate, aluminum nitrate, ethanol, and tetraethyl orthosilicate (TEOS) as starting materials. Gels are dried an...

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Bibliographic Details
Main Authors: Choo, Y P, Chow, T Y, Mohamad, H
Format: Conference Proceeding
Language:English
Subjects:
ALUMINIUM NITRATES
CERAMICS
CRYSTAL STRUCTURE
GELS
GLASS
MAGNESIUM NITRATES
MATERIALS SCIENCE
SILICATES
SILICON
SINTERING
SOL-GEL PROCESS
STRUCTURAL CHEMICAL ANALYSIS
SYNTHESIS
X-RAY DIFFRACTION
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Summary:Cordierite is silicate material widely used in ceramic industry. The effect of sintering temperature to the properties of cordierite by sol gel method was studied with utilizing magnesium nitrate, aluminum nitrate, ethanol, and tetraethyl orthosilicate (TEOS) as starting materials. Gels are dried and sintered at different temperature (1000 deg C, 1200 deg C, 1300 deg C and 1350 deg C) then characterized by varies analysis techniques. XRD analysis shows that spinel, mu-cordierite and cristobalite are formed at 1000 deg C which spinel as predominant phase. At 1200 deg C, mu-cordierite occured as predominant phase, spinel, sapphirine and cristobalite are formed as minor phases. It also confirmed that high purity alpha-cordierite formed at 1300 deg C and clearly observed at 1350 deg C. Result of EDX analysis proved that magnesium, aluminum, silicon and oxygen was existed in the cordierite.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2906055