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李晓杰
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任职 : 爆炸技术研究所所长

性别: 男

毕业院校: 中国科学技术大学

学位: 博士

所在单位: 力学与航空航天学院

学科: 工程力学

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Absorbance analysis of Fe3O4 particles of different scales in silicone rubber at Ku band

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论文类型: 期刊论文

发表时间: 2021-07-21

发表刊物: RESULTS IN PHYSICS

卷号: 15

ISSN号: 2211-3797

关键字: Ferroferric oxide (Fe3O4); Mixed absorber; Different scales; Absorbance analysis

摘要: In this paper, the theoretical calculation and experimental study on the absorption characteristics of the (micron and Nano) Fe3O4 particle and silicone rubber hybrid absorber at Ku band (12-18 GHz) are carried out. The absorption curves of Fe3O4 particles with different sizes randomly distributed in silicone rubber are obtained. The results show that the impedance matching characteristics and absorbing effect of nano-Fe3O4 particle and silicone rubber hybrid absorber are better than that of micro-Fe(3)O(4)particle and silicone rubber hybrid absorber. The experimental results show that the attenuation value increases with the increase of frequency, and the attenuation value of nano-Fe3O4 particles and silicone rubber mixed absorber is larger than that of micro-Fe3O4 particles and silicone rubber mixed absorber. The calculated values are in general agreement with the experimental measurements. This study provides a theoretical reference for the practical application of composite absorbing materials (Nano and micro) Fe3O4 particles combined with silicone rubber substrates.

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