Electromagnetic shielding effectiveness of cementbased materials filled expanded graphite inserted by Ni-ferrite

Shao Wen Huang; Jun Hu; Min Deng; Ming Shu Tang

doi:10.3969/j.issn.1001-9731.2014.04.005

Electromagnetic shielding effectiveness of cementbased materials filled expanded graphite inserted by Ni-ferrite

Shao Wen Huang, Jun Hu, Min Deng, Ming Shu Tang

College of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

The influence of expanded graphite and nickel ferrite (NiFe₂O₄) expansion graphite on electromagnetic shielding effectiveness (SE) of cement paste were researched in this paper. The SE value of cement paste filled different modified graphite was measured by a coaxial flange method. Results show that the SE of cement paste filled expanded graphite inserted by Ni-ferrite could be substantially increased in the whole testing frequency band. Especially, the SE of cement paste was obviously improved in the low frequency band (30-1 000 MHz). The best SE of cement paste filled expanded graphite inserted by 15% Ni-ferrite was 26 dB.

Original language	English
Pages (from-to)	4027-4029
Number of pages	3
Journal	Gongneng Cailiao/Journal of Functional Materials
Volume	45
Issue number	4
DOIs	https://doi.org/10.3969/j.issn.1001-9731.2014.04.005
State	Published - 28 Feb 2014

Keywords

Cement-based materials
Expanded graphite
Ni-ferrite
Shielding effectiveness

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title = "Electromagnetic shielding effectiveness of cementbased materials filled expanded graphite inserted by Ni-ferrite",

abstract = "The influence of expanded graphite and nickel ferrite (NiFe2O4) expansion graphite on electromagnetic shielding effectiveness (SE) of cement paste were researched in this paper. The SE value of cement paste filled different modified graphite was measured by a coaxial flange method. Results show that the SE of cement paste filled expanded graphite inserted by Ni-ferrite could be substantially increased in the whole testing frequency band. Especially, the SE of cement paste was obviously improved in the low frequency band (30-1 000 MHz). The best SE of cement paste filled expanded graphite inserted by 15% Ni-ferrite was 26 dB.",

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AU - Huang, Shao Wen

AU - Hu, Jun

AU - Deng, Min

AU - Tang, Ming Shu

PY - 2014/2/28

Y1 - 2014/2/28

N2 - The influence of expanded graphite and nickel ferrite (NiFe2O4) expansion graphite on electromagnetic shielding effectiveness (SE) of cement paste were researched in this paper. The SE value of cement paste filled different modified graphite was measured by a coaxial flange method. Results show that the SE of cement paste filled expanded graphite inserted by Ni-ferrite could be substantially increased in the whole testing frequency band. Especially, the SE of cement paste was obviously improved in the low frequency band (30-1 000 MHz). The best SE of cement paste filled expanded graphite inserted by 15% Ni-ferrite was 26 dB.

AB - The influence of expanded graphite and nickel ferrite (NiFe2O4) expansion graphite on electromagnetic shielding effectiveness (SE) of cement paste were researched in this paper. The SE value of cement paste filled different modified graphite was measured by a coaxial flange method. Results show that the SE of cement paste filled expanded graphite inserted by Ni-ferrite could be substantially increased in the whole testing frequency band. Especially, the SE of cement paste was obviously improved in the low frequency band (30-1 000 MHz). The best SE of cement paste filled expanded graphite inserted by 15% Ni-ferrite was 26 dB.

KW - Cement-based materials

KW - Expanded graphite

KW - Ni-ferrite

KW - Shielding effectiveness

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SN - 1001-9731

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JO - Gongneng Cailiao/Journal of Functional Materials

JF - Gongneng Cailiao/Journal of Functional Materials

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Electromagnetic shielding effectiveness of cementbased materials filled expanded graphite inserted by Ni-ferrite

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Keywords

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