Synthesis and Characterization of Ti, Fe-Doped Mullite-I

Abstract:

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A series of gels with 3Al2O3•2SiO2 were prepared by Sol-gel method and heated at several temperatures for 2 h to synthesize Ti, Fe-doped mullite. The powers were characterized by differential thermal analysis (DSC-TG) and X-ray powder diffraction (XRD). Phase separation was promoted by doping both TiO2 and Fe2O3; with increasing the amount of dopant ions the formation temperature of Si-Al spinel decreased and the formation temperature of mullite increased by TiO2 doping but decreased by Fe2O3 doping. The formation temperature of pure mullite was about 1250-1350 °C.

Info:

Periodical:

Advanced Materials Research (Volumes 217-218)

Edited by:

Zhou Mark

Pages:

163-168

DOI:

10.4028/www.scientific.net/AMR.217-218.163

Citation:

L. X. Tong et al., "Synthesis and Characterization of Ti, Fe-Doped Mullite-I", Advanced Materials Research, Vols. 217-218, pp. 163-168, 2011

Online since:

March 2011

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Price:

$35.00

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