Electromagnetic Interference Shielding Performances of MWCNT in Concrete Composites

Mahadi Sharif; Chew Sue Ping; Kin Yuen Leong

doi:10.4028/www.scientific.net/SSP.266.283

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Electromagnetic Interference Shielding Performances of MWCNT in Concrete Composites
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Electromagnetic Interference Shielding Performances of MWCNT in Concrete Composites

Abstract:

Carbon nanotube (CNT) acts as electromagnetic interference shielding material in concrete composites was presented in this paper. Three concrete samples respectively with different CNT contents were casted and experimentally tested their shielding effectiveness (SE). The SE measurements which were obtained in function of frequency were taken using vector network analyzer (VNA) in the frequency range of 2.4 - 4.0 GHz. The experimental results showed that the CNT contributes to change in conductivity due to the positioning of the electric field of the incident wave and thus, produces different shielding performances. The EMI SE of concrete composites is improved up to 41dB with CNT concentration of 1.5-2.0 wt%.

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Solid State Phenomena (Volume 266)

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283-286

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https://doi.org/10.4028/www.scientific.net/SSP.266.283

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Online since:

October 2017

Authors:

Mahadi Sharif, Chew Sue Ping*, Kin Yuen Leong

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Carbon Nanotube (CNT), Conductivity, Electromagnetic Shielding Effectiveness (SE)

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