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首页> 外文期刊>Journal of Applied Polymer Science >Electromagnetic and Electromagnetic Wave-Absorbing Properties of the SrTiO_3-Epoxy Composite
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Electromagnetic and Electromagnetic Wave-Absorbing Properties of the SrTiO_3-Epoxy Composite

机译：SrTiO_3-环氧复合材料的电磁吸收特性

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摘要

The effects of SrTiO_3 content on the electromagnetic properties and electromagnetic wave-absorbering characteristics of SrTiO_3-epoxy composites were investigated. Also, the frequency dispersion behavior of the complex permittivity of composites was demonstrated. The complex permittivity and permeability were measured using a network analyzer in the frequency range of 130 MHz to 10 GHz. As the SrTiO_3 content increased, it was found that the complex permittivity and permeability of the composites increased and the resonance frequency moved toward low frequency range. The logarithmic model coincided with the effective permittivity of composite as a function of SrTiO_3 content comparatively well. The resonance frequency of composites was found to show good agreement with the theoretical values calculated by the equation proposed in this article. The electromagnetic wave-absorbing behavior showed that the center frequency of attenuation curve was shifted to a lower frequency band with increasing the amount of SrTiO_3 and the thickness of composite.
机译：研究了SrTiO_3含量对SrTiO_3-环氧复合材料电磁性能和电磁波吸收特性的影响。此外，还证明了复合材料的复介电常数的频率色散行为。使用网络分析仪在130 MHz至10 GHz的频率范围内测量复介电常数和磁导率。发现随着SrTiO_3含量的增加，复合材料的复介电常数和磁导率增加，并且共振频率向低频范围移动。对数模型与复合材料的有效介电常数作为SrTiO_3含量的函数比较吻合。发现复合材料的共振频率与本文提出的方程所计算的理论值显示出良好的一致性。电磁波吸收行为表明​​，随着SrTiO_3含量的增加和复合材料厚度的增加，衰减曲线的中心频率向较低的频带移动。

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