Preparation and Electromagnetic Shielding Effectiveness of a New Kind of Electromagnetic Shielding Composite Coatings

Deng Gao Guan; Yao Sun; Guan Li Xu; Chuan Min Sun; Hua Wei Li; Wen Jun Xu; Wen Xin Zhou

doi:10.4028/www.scientific.net/AMM.395-396.37

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 395-396Preparation and Electromagnetic Shielding...

Preparation and Electromagnetic Shielding Effectiveness of a New Kind of Electromagnetic Shielding Composite Coatings

Abstract:

A new kind of the electromagnetic shielding composite coatings with high performance was prepared using the Ni-Cu-coated glass fibers and nickel powders as fillers and using epoxy resin as binder. The effects of the fibers on the conductivity and electromagnetic shielding effectiveness of the coatings were studied. The study results show as follows: 1) when the optimum ratio of the fillers to epoxy resin is 4:1, the coatings containing 6 wt% the Ni-Cu-coated glass fibers has best conductivity and electromagnetic shielding effectiveness; when the coating layer thickness is 300 μm, the shielding effectiveness of the coatings is up to 43.71-52.31 dB and increased an average of 13.94 dB compared with the nickel powders/ epoxy resin electromagnetic shielding coatings in the frequency range of 0.3-1000 MHz. This offers a new idea to enhance the added value of the glass fibers and the prevention of electromagnetic environmental pollution.

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Periodical:

Applied Mechanics and Materials (Volumes 395-396)

Pages:

37-40

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.395-396.37

Citation:

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Online since:

September 2013

Authors:

Deng Gao Guan*, Yao Sun, Guan Li Xu, Chuan Min Sun, Hua Wei Li, Wen Jun Xu, Wen Xin Zhou

Keywords:

Electromagnetic Environmental Protection, Electromagnetic Radiation Pollution, Electromagnetic Shielding Coating, Electromagnetic Shielding Effectiveness, Glass Fiber

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* - Corresponding Author

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