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Electrical and Mechanical Properties of Graphite Nanosheet/Carbon Nanotubes-filled Epoxy Nanocomposites

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2009, 10(4), pp.335-338
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

Ki-Seok Kim 1 Kyeongeun Choi 2 PARK SOOJIN 3

1Inha University
2Jeonju National University of Education
3인하대학교

Candidate

ABSTRACT

In this work, the effect of co-carbon fillers on the electrical and mechanical properties of epoxy nanocomposites was investigated. The graphite nanosheets (GNs) and multi-walled carbon nanotubes (MWNTs) were used as co-carbon fillers. The results showed that the electrical conductivity of the epoxy nanocomposites showed a considerable increase upon an addition of MWNTs when GNs were fixed at 2 wt.%. This indicated that low content GNs formed the bulk conductive network and then MWNTs added were intercalated between the GN layers, resulted in the formation of additional conductive pathway. Furthermore, the flexural strength of the epoxy nanocomposites was enhanced with increasing the MWNT content. It was probably attributed to the flexible MWNTs compared with rigid GNs, resulted in the enhancement of the mechanical properties.

Citation status

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