Mapping of Elemental and Phase Composition in Air-Oxidized Ti3SiC2

Abstract:

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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:

Edited by:

P. VINCENZINI

Pages:

1091-1096

DOI:

10.4028/www.scientific.net/AST.45.1091

Citation:

I. M. Low "Mapping of Elemental and Phase Composition in Air-Oxidized Ti3SiC2 ", Advances in Science and Technology, Vol. 45, pp. 1091-1096, 2006

Online since:

October 2006

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$35.00

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