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Effect of MWCNT alignment on mechanical and self-monitoring properties of extruded PET-MWCNT nanocomposites
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Nanni, F., Mayoral, Beatriz, Madau, F., Montesperelli, G. and McNally, Tony (2012) Effect of MWCNT alignment on mechanical and self-monitoring properties of extruded PET-MWCNT nanocomposites. Composites Science and Technology, Volume 72 (Number 10). pp. 1140-1146. doi:10.1016/j.compscitech.2012.03.015 ISSN 0266-3538.
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Official URL: http://dx.doi.org/10.1016/j.compscitech.2012.03.01...
Abstract
Self-monitoring aligned MWCNT loaded PET composites, with different CNT content, were prepared via twin-screw extrusion starting from a PET/MWCNT masterbatch, and fully characterized. All electrically conductive samples showed self-monitoring ability, i.e. a variation in electrical resistance as a function of stress. Moreover, the insertion of MWCNTs resulted in mechanical reinforcement with respect to neat PET. It was found that both self-monitoring behavior and mechanical performance are directly related to MWCNT content and to the direction of applied stress with respect to CNT orientation. In particular, too high MWCNT content decreased sensitivity at low strain, whereas a minimum MWCNT content was required to insure ohmic conductivity.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Library of Congress Subject Headings (LCSH): | Carbon nanotubes, Extrusion process, Polyethylene terephthalate | ||||||||
Journal or Publication Title: | Composites Science and Technology | ||||||||
Publisher: | Pergamon | ||||||||
ISSN: | 0266-3538 | ||||||||
Official Date: | 12 June 2012 | ||||||||
Dates: |
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Volume: | Volume 72 | ||||||||
Number: | Number 10 | ||||||||
Page Range: | pp. 1140-1146 | ||||||||
DOI: | 10.1016/j.compscitech.2012.03.015 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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