The Oxidation Behavior of ZrB2-Based Mixed Boride

Abstract:

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Zirconium diboride based composites containing silicon carbide with relative densities in excess of 99 % were produced by hot-pressing. Oxidation test was conducted in air at 1500 °C. ZrB2-SiC composite showed relatively low oxidation resistance due to the non-uniform surface silica-rich layer. But in case of mixed boride-SiC composites further improvement of the oxidation performance were observed due to the phase separation in the surface silica-rich layer.

Info:

Periodical:

Edited by:

Katsutoshi Komeya, Yi-Bing Cheng, Junichi Tatami and Mamoru Mitomo

Pages:

253-255

DOI:

10.4028/www.scientific.net/KEM.403.253

Citation:

S. J. Lee and D. K. Kim, "The Oxidation Behavior of ZrB2-Based Mixed Boride", Key Engineering Materials, Vol. 403, pp. 253-255, 2009

Online since:

December 2008

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Price:

$35.00

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