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Applied Polymer Composites

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Title: INFLUENCE OF MWCNTS AS SECONDARY REINFORCEMENT MATERIAL IN GLASS FIBER/EPOXY COMPOSITES FABRICATED USING VARTM
Page Range: p.17-26
Author(s): Saad Anas; Ghufran Ur Rehman; Zaffar Mohammad Khan; Noaman Ul-Haq; Muhammad Bilal Khan; Saad Nauman; Muhammad Shahid; Ali Nasir
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Journal: Applied Polymer Composites
Issue Year: apc
Volume: 2
Issue No: No. 1

Abstract
Effects of multi-walled carbon nano tubes (MWCNTs) - as secondary reinforcements - on tensile strength, fibre-matrix bonding and interaction with the coupling agent in glass fibre/epoxy composite have been reported. Composites have been fabricated by a lab scale vacuum assisted resin transfer moulding (VARTM) according to ASTM D-638 standard. Pristine CNTs are usually not so effective, but with the interaction of silane coated glass fabric, interfacial reinforcing between matrix and fibres has been found to take place and that increases the toughness as well as the tensile properties by enhancing the interfacial strength between the fabric and the matrix. The increase in tensile strength of about 27% was observed from experimental values using only 0.3% weight percent of CNTs in epoxy. FTIR analysis confirmed the Si-O-C linkage and SEM results showed good adhesion of fibres with matrix confirming the enhancement of interface. 21 Refs.

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