High Temperature Oxidation Behavior of Ti3SiC2 in Air

Abstract:

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Fine-grained and coarse-grained Ti3SiC2 materials were synthesized by hot pressing using TiC0.67 and Si powders as starting materials. The oxidation between 900 and 1100oC in air resulted in the formation of an outer TiO2 (rutile) layer and an inner mixed layer of TiO2 and amorphous SiO2, accompanying the liberation of carbon into the air. Fine-grained Ti3SiC2 displayed better oxidation resistance than coarse-grained one, with activation energies of 376.5~380 kJ/mol for oxidation.

Info:

Periodical:

Materials Science Forum (Volumes 486-487)

Edited by:

Hyung Sun Kim, Sang-Yeop Park, Bo Young Hur and Soo Wohn Lee

Pages:

97-100

DOI:

10.4028/www.scientific.net/MSF.486-487.97

Citation:

J.H. Ko et al., "High Temperature Oxidation Behavior of Ti3SiC2 in Air ", Materials Science Forum, Vols. 486-487, pp. 97-100, 2005

Online since:

June 2005

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Price:

$35.00

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