The effect of technology parameters on Al doped β-SiC powders by combustion synthesis

Xiao Lei Su, Wan Cheng Zhou, Jie Xu, Zhi Min Li, Jun Bo Wang, Xin Hai He, Chong Fu, Li Feng Zhang

科研成果: 期刊稿件文章同行评审

1 引用 (Scopus)

摘要

The Al doped SiC powders have been prepared by combustion synthesis in 0.1MPa nitrogen atmosphere under different body pressure, using silicon (Si) and carbon black (C) powders as raw materials, aluminum (Al) as doping source and polytetrafluoroethylene (PTFE) as additive. The prepared powders have been characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and energy dispersive spectra (EDS). The microwave dielectric property of prepared powders has been measured in the frequency range of 8.2-12.4GHz. Results show the lattice parameter and dielectric property of prepared powders decrease with body pressure increasing. The synthesized mechanism and effect of Al doping on dielectric property of SiC powder have been discussed.

源语言英语
页(从-至)737-740
页数4
期刊Gongneng Cailiao/Journal of Functional Materials
42
4
出版状态已出版 - 4月 2011
已对外发布

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