Synthesis of Silicon Carbide Whiskers in Electric Field Furnace

Abstract:

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A new heating apparatus for synthesizing SiC whiskers was introduced. SiC whiskers were synthesized in electric field furnace with carbon black and SiO2 powders as raw materials and some influencing factors were discussed. SiC whiskers with diameter of 0.1-0.4μm, length of 5-70μm and average purity of 99.6% were acquired at lower temperatures of 1200-1400°C for a shorter holding time of 2-4h. The results showed that the high voltage field has great catalysis action on synthetic of SiC whiskers by reducing activation energy and enhancing reaction speed.

Info:

Periodical:

Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong

Pages:

831-833

DOI:

10.4028/www.scientific.net/KEM.368-372.831

Citation:

C. H. Dai et al., "Synthesis of Silicon Carbide Whiskers in Electric Field Furnace", Key Engineering Materials, Vols. 368-372, pp. 831-833, 2008

Online since:

February 2008

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Price:

$35.00

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