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Electric field induced alignment of multiwalled carbon nanotubes in polymers and multiscale composites

Maxime Arguin, Frédéric Sirois, Daniel Therriault

Article (2015)

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Carbon fiber reinforced polymers (CFRPs)have a highly anisotropic electrical resistivity, which limitstheir use in electrical applications. In this contribution, anelectric field was used to align multiwalled carbonnanotubes (MWCNTs) to create preferential conductivepathways within a nanocomposite and a multiscalecomposite in order to reduce their resistivity. Investigationon epoxy containing MWCNTs have shown that anelectric field of 40 V mm21 or higher applied for 2 h canlead to a reduction of the resistivity parallel to the field up to four orders of magnitude with only 0.01 wt-% loading. In thecase of CFRPs reinforced with 0.01 and 0.1 wt-% of MWCNTs, we observed reductions of the through the thicknessresistivity of 36 and 99% respectively, when an electric field of 60 V mm21 was applied for 2 h during the fabrication of thesamples.

Uncontrolled Keywords

Carbon nanotubes; Nanocomposites; Multiscale composites; Electrical properties; Alignment

Subjects: 2000 Materials science and technology > 2004 Polymers and coatings
2000 Materials science and technology > 2007 Composites
2100 Mechanical engineering > 2100 Mechanical engineering
2500 Electrical and electronic engineering > 2500 Electrical and electronic engineering
Department: Department of Electrical Engineering
Department of Mechanical Engineering
Research Center: LM2 - Laboratory for Multi-scale Mechanics
Funders: CRSNG/NSERC, FQRNT (Le Fonds Québécois de la Recherche sur la Nature et les Technologies)
PolyPublie URL: https://publications.polymtl.ca/10412/
Journal Title: Advanced Manufacturing: Polymer & Composites Science (vol. 1, no. 1)
Publisher: Taylor & Francis
DOI: 10.1179/2055035914y.0000000003
Official URL: https://doi.org/10.1179/2055035914y.0000000003
Date Deposited: 04 Aug 2022 10:32
Last Modified: 11 Nov 2022 14:01
Cite in APA 7: Arguin, M., Sirois, F., & Therriault, D. (2015). Electric field induced alignment of multiwalled carbon nanotubes in polymers and multiscale composites. Advanced Manufacturing: Polymer & Composites Science, 1(1), 16-25. https://doi.org/10.1179/2055035914y.0000000003


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