Comparison Study on Microwave Absorbing Properties of SiC Absorbers

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In this paper, we have studied on the absorbing properties of three different types of SiC absorbers such as ultra-fine SiC, SiC whisker and nanometer SiC. Electromagnetic parameters of the three types of SiC were tested in the frequency range of 2~18GHz. Both the real and imaginary parts of complex permittivity of nanometer SiC are higher than that of others. The attenuation constant of nanometer SiC is higher than that of ultra-fine SiC and SiC whisker, increasing from 93.7 to 766.5 with increasing frequency. The minimum reflection loss of -5.53 dB was obtained at 9.72 GHz for the nanometer SiC. The nanometer SiC suggests a better capacity of dielectric loss in microwave range than that of ultra-fine SiC and SiC whisker.

Info:

Periodical:

Edited by:

Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen

Pages:

1057-1060

DOI:

10.4028/www.scientific.net/AMM.117-119.1057

Citation:

G. Liu et al., "Comparison Study on Microwave Absorbing Properties of SiC Absorbers", Applied Mechanics and Materials, Vols. 117-119, pp. 1057-1060, 2012

Online since:

October 2011

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$35.00

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