Gangue Nanostructure and Effect of the Structure on Synthesizing SiC

Journal of Inorganic Materials

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Gangue Nanostructure and Effect of the Structure on Synthesizing SiC

WANG Xiao-Gang¹; MU Guo-Dong¹; LI Xiao-Chi¹; CHEN Wei²; CHEN Shou-Tian ²

1.Xi an University of Science & Technology; Xi an 710054; China; 2.State Key Lab of Electrical Insulation for Power Equipment; Xi an Jiaotong University; Xi'an 710049, China

Received:2000-07-11 Revised:2000-09-20 Published:2001-07-20 Online:2001-07-20

Abstract

Abstract: The nanoparticle structure and nanolayer structure of SiO₂ and C in a silicious gangue were found by Atomic Force Microscope. The size of nanoparticle SiO₂ is 3~20nm, the size of nanoparticle C is 10~20nm and the thick of nanolayer is 5~80nm in the gangue. SiO₂ and C in the gangue are contacted tightly each other.β-SiC ultrafine powder was synthesized at 1300℃ with the gangue. The temperature is lower obviously than that synthesizing SiC with other raw materials mixed under the same conditions. And SiC yield can also be increased greatly.

Key words: silicious gangue, nanostructure, atomic force microscope, synthesizing β-SiC

CLC Number:

TQ174

WANG Xiao-Gang,MU Guo-Dong,LI Xiao-Chi,CHEN Wei,CHEN Shou-Tian. Gangue Nanostructure and Effect of the Structure on Synthesizing SiC[J]. Journal of Inorganic Materials.

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Gangue Nanostructure and Effect of the Structure on Synthesizing SiC

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