One-step Synthesis of High Purity Silicon Carbide Powder

doi:10.3724/SP.J.1077.2008.00243

Abstract

Abstract: Silicon carbide (SiC) powder was synthesized from liquid silicon in one step at the presence of a catalyst bar consisting of silica and carbon. The silicon carbide powders were formed by the carbothermal reaction between liquid silicon and gaseous CO, and the average particle size (D₅₀) of the as-prepared silicon carbide powder was 0.41μm. The powder was characterized by XRD, SEM, particle size analysis and elemental analysis. The mechanism for the formation of the silicon carbide powder was discussed.

Key words: silicon carbide powder, liquid silicon, gas-phase reaction, liquid-phase reaction, carbothermal reduction

CLC Number:

TB383

YE Xin-Nan,ZHAO Zhong-Ling,LAN Lin,HUANG Jin-Qiu,LIN Kun-Lun,CHEN Li-Fu. One-step Synthesis of High Purity Silicon Carbide Powder[J]. Journal of Inorganic Materials, DOI: 10.3724/SP.J.1077.2008.00243.

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One-step Synthesis of High Purity Silicon Carbide Powder

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