Synthesis of SiC Ceramics from Coal Gangue

Abstract:

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The synthesis and the sintering of SiC from coal gangue by carbothermal synthesized in N2 atmosphere are studied. The material, 5 percent carbon black added and sintered at 1400°C for 2 hours, had good properties and a bending strength of 137.8MPa. Too high temperature or too long holding time made the properties of the material to decrease. β-SiC found by observing the microstructure is a major crystal phase in the synthesized ceramics, which would lead to fine mechanical properties.

Info:

Periodical:

Materials Science Forum (Volumes 486-487)

Edited by:

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

Pages:

378-381

DOI:

10.4028/www.scientific.net/MSF.486-487.378

Citation:

S. H. Jia "Synthesis of SiC Ceramics from Coal Gangue", Materials Science Forum, Vols. 486-487, pp. 378-381, 2005

Online since:

June 2005

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Price:

$35.00

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