Effect of multi-walled carbon nanotubes on polyacrylonitrile short carbon fibre polymer composites

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V K Srivastava

Indian Institute of Technology (BHU), India

: J Nanomater Mol Nanotechnol

Abstract

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The present work deals with the characterization of multi-walled carbon nanotubes (MWCNTs) filled and unfilled short carbon fibre reinforced epoxy resin composites. Short carbon fibers (10 mm) were selected at various processing stages such as: 1) white colour polyacrylontrile fibres (PAN), 2) pre-carbonized carbon (precarbonized CF), 3) oxidized carbon fibres (OPF), 4) fully carbonized carbon fibres (CF-low) and 5) sized carbon fibers (CF Sized). The investigated composites were characterized by three points bending test, hardness test, dynamic mechanical thermal analysis, electrical conductivity test, thermo gravimetric analysis and scanning electron microscopy. The results show that the mechanical and electrical properties of the investigated materials markedly depend on the type of short carbon fibers and on the presence of MWCNTs.

Biography

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