Oxidation Properties of ZrB2-20vol.%SiC-10vol.%BN Ceramic Composite at 1200°C

Gang Li; Wen Bo Han

doi:10.4028/www.scientific.net/AMR.105-106.165

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Oxidation Properties of ZrB₂-20vol.%SiC-10vol.%BN Ceramic Composite at 1200°C

Abstract:

Dense ZrB2-20vol.%SiC-10vol.%BN (ZSB) ceramic composites by introducing BN as the third phase are fabricated through hot pressing sintering under inert gas protected. The static oxidation behavior of the ZrB2-SiC-BN ceramic composite at 1200°C in air is analyzed using differential thermal analysis technique, and the surface morphology of the composites after oxidation at 1200°C is examined using scanning electron microscopy along with energy dispersive spectroscopy. The microstructure change and oxidation behaviors of the ZrB2-SiC-BN ceramic composite are investigated. The effect of BN grain size is analyzed and the oxidation mechanism in ceramic composites is discussed correspondingly.

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Periodical:

Advanced Materials Research (Volumes 105-106)

Pages:

165-167

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.105-106.165

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Online since:

April 2010

Authors:

Gang Li, Wen Bo Han

Keywords:

Ceramic Matrix Composite (CMC), Oxidation

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