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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 123-125Bidirectional Oriented Magnetite-Coated Graphite...

Bidirectional Oriented Magnetite-Coated Graphite Nanosheets/Epoxy Nanocomposite with Electromagnetic Interference Shielding Anisotropy

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Abstract:

Epoxy composites with nanomagnetite-coated graphite nanosheets (GNs) aligned parallel to each other within the matrix were fabricated via magnetic field inducement. The ordered structure of the composite was characterized by atomic force microscopy (AFM) and X-ray diffraction (XRD). The GNs alignment of resulted in anisotropy of electromagnetic interference (EMI) shielding in composite in directions normal and parallel to main plains of the aligned GNs.

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Info:

Periodical:

Advanced Materials Research (Volumes 123-125)

Pages:

15-18

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.123-125.15

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Cite this paper

Online since:

August 2010

Authors:

Wei Feng Zhao, Guo Hua Chen

Keywords:

EMI Shielding, Exfoliated Graphite (EG), Graphite Nanosheet, Magnetic Field-Induced Orientation, Polymer Composite

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© 2010 Trans Tech Publications Ltd. All Rights Reserved

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[8] 5 3. 30 3. 53 3. 40 3. 98.

[9] 0 3. 29 3. 56 3. 35 3. 82.

[9] 5 3. 01 3. 06 2. 89 3. 26.

[10] 0 3. 10 3. 22 3. 10 3. 45.

[10] 5 2. 89 3. 13 2. 83 3. 19.

[11] 0 2. 71 2. 92 2. 77 3. 17.

[11] 5 2. 98 3. 25 3. 13 3. 64.

[12] 0 2. 86 2. 92 2. 97 3. 10 Frequency (GHz) Return loss[-dB] Filler content 3. 0 wt% Filler content 5. 0 wt % Parallel to the aligned GNs Perpendicular to the aligned GNs Parallel to the aligned GNs Perpendicular to the aligned GNs.

[8] 5 3. 59 3. 12 3. 29 2. 78.

[9] 0 3. 63 3. 31 3. 47 3. 03.

[9] 5 3. 71 3. 40 3. 55 3. 06.

[10] 0 3. 82 3. 32 3. 60 3. 16.

[10] 5 3. 78 3. 40 3. 63 3. 28.

[11] 0 3. 62 3. 37 3. 46 3. 10.

[11] 5 3. 39 2. 94 3. 05 2. 66.

[12] 0 4. 76 3. 99 4. 01 3. 85.