Study on Properties of Carbon Particle Modified Silicon Carbide Composite Ceramics

Abstract:

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High-temperature mechanical properties, machinability, oxidation resistance and thermal shock resistance of different content of carbon particles modified silicon carbide composite ceramics (Cp/SiC) prepared by pressureless sintering techniques were studied. Adhesion of Cp/SiC to melted glass under 1000°C was also observed. The results showed that 15-Cp/SiC had the optimum machinability and it also did not adhere to melted glass at high temperature. And flexural strength, hardness, and fracture toughness of 15-Cp/SiC is 136.5MPa, 274.6kgf/mm2, 2.58MPa•m1/2 respectively. The good performance of Cp/SiC made it possible to be used as high temperature glass fixture, which means that Cp/SiC can not only improve the service life of fixture materials, but also broaden the application fields of SiC ceramics.

Info:

Periodical:

Advanced Materials Research (Volumes 311-313)

Edited by:

Zhongning Guo

Pages:

276-282

DOI:

10.4028/www.scientific.net/AMR.311-313.276

Citation:

Y. J. Lu et al., "Study on Properties of Carbon Particle Modified Silicon Carbide Composite Ceramics", Advanced Materials Research, Vols. 311-313, pp. 276-282, 2011

Online since:

August 2011

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Price:

$35.00

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