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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
engineering
Multiwall carbon nanotube-epoxy composites with high shielding effectiveness for aeronautic applications
IEEE Transactions on Electromagnetic Compatibility, Volume 54, No. 1, Article 6096404, Year 2012
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Description
Using mass-produced multiwall carbon nanotubes (MWCNTs) from different providers, we have fabricated nanocomposites with high and nearly constant shielding effectiveness (SE) over a wide frequency range up to 26.5 GHz. The MWCNT weight fraction and sample thickness were lower than 10 and 2mm, respectively. The fabrication process and percolation curves are described. A high dc conductivity of 239.1S/m was achieved at an MWCNT loading of only 8 by weight. The effect of aspect ratio on shielding performance is addressed. By comparing the measured SE of the composite with predictions from a model of the measurement setup using Microwave Studio, the effective conductivity of the nanocomposite was determined. Since the thickness is very important for shielding analysis, the SE/unit thickness diagram was calculated by using the effective parameters of samples. The results were verified experimentally by measuring the SE of samples with different thicknesses. © 2006 IEEE.
Authors & Co-Authors
Mehdipour, Aidin
Canada, Montreal
Concordia University
Canada, Quebec
Institut National de la Recherche Scientifique
Rosca, I. D.
Canada, Montreal
Concordia University
Trueman, Christopher W.
Canada, Montreal
Concordia University
Sebak, Abdel Razik
Canada, Montreal
Concordia University
Hoa, Suong Van
Saudi Arabia, Riyadh
King Saud University
Statistics
Citations: 35
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1109/TEMC.2011.2174241
ISSN:
00189375
Research Areas
Environmental