Modeling of Electrical Conductivity and Piezoresistivity of Carbon Nanotube Based Polymer Nanocomposites

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dc.contributor.advisorLeung, Siu-Ning
dc.creatorFang, Weiqing
dc.date.accessioned2016-09-20T16:44:27Z
dc.date.available2016-09-20T16:44:27Z
dc.date.copyright2015-11-30
dc.date.issued2016-09-20
dc.date.updated2016-09-20T16:44:26Z
dc.degree.disciplineEarth & Space Science
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractSuperior electrical, thermal, and mechanical properties of carbon nanotubes (CNTs) have made them effective filler for multifunctional polymer nanocomposites (PNCs). In this thesis work, an improved model has been developed to describe the CNT networks inside polymer matrix and thereby evaluated the PNCs c and . The new model accounts for the electrical conductance contributed by the continued CNT network across the boundary of adjacent representative volume elements. It more realistically represents the interconnectivity among CNTs and enhances the evaluation of the structure-to-property relationship of PNCs . Furthermore, comprehensive investigations on the piezoresistive behaviour of PNCs have been conducted using developed modeling framework. Quantitative analyses have revealed that piezoresistivity of PNCs is predominantly governed by the three mechanisms related to the strain-induced morphological evolution of the CNT network embedded in the polymer matrix.
dc.identifier.urihttp://hdl.handle.net/10315/32210
dc.language.isoen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectMechanical engineering
dc.subject.keywordsComputer Modelling
dc.subject.keywordsPiezoresistivity
dc.subject.keywordsNanocomposite
dc.subject.keywordsCarbon Nanotube
dc.titleModeling of Electrical Conductivity and Piezoresistivity of Carbon Nanotube Based Polymer Nanocomposites
dc.typeElectronic Thesis or Dissertation

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