Thermal, rheological and electrical analysis of MWCNTs/epoxy matrices

Abstract : In this study, the cure kinetics, rheological and electrical behaviors of the MWCNTs/epoxy nanocomposites produced using a three-roll mill are studied. After defining the domain of linear response, the influence of temperature and MWCNTs on the shear viscosity has been investigated. The shear-thinning effect caused by adding CNTs to the epoxy matrix is more pronounced at increased temperature and MWCNT weight content. Furthermore, a mechanical manifestation of the percolation phenomenon may have been observed. At last the electrical conductivity was investigated to characterize the percolation behavior and determine the best CNT content/electrical properties ratio.
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Submitted on : Monday, March 16, 2015 - 10:47:04 AM
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Mathieu Fogel, Patricia Parlevliet, Matthias Geistbeck, Philippe Olivier, Eric Dantras. Thermal, rheological and electrical analysis of MWCNTs/epoxy matrices. Composites Science and Technology, Elsevier, 2015, vol. 110, pp. 118-125. ⟨10.1016/j.compscitech.2015.02.002⟩. ⟨hal-01131812⟩

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