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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 45Mapping of Elemental and Phase Composition in...

Mapping of Elemental and Phase Composition in Air-Oxidized Ti₃SiC₂

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Abstract:

The oxidation behaviour of Ti3SiC2 in air is not well understood due to mixed results reported in the literature. In this study, the surface composition depth-profiles of air-oxidized Ti3SiC2 have been investigated by synchrotron radiation diffraction (SRD) and secondary ion mass spectroscopy (SIMS) in the temperature range 500-1300°C. Anatase has been observed to form at ~600°C, rutile at ~750°C and tridymite at ~1100°C. Depth-profiling results by SIMS and SRD have revealed a distinct gradation in element and phase composition respectively within the surface oxide layers.

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Periodical:

Advances in Science and Technology (Volume 45)

Pages:

1091-1096

DOI:

https://doi.org/10.4028/www.scientific.net/AST.45.1091

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Online since:

October 2006

Authors:

It Meng Low

Keywords:

Anatase, Oxidation, Rutile, Synchrotron Radiation Diffraction, Ti₃SiC₂, Tridymite

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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