Synthesis and Characterization of Hybrid MWCNT-Alumina Filled Epoxy Nanocomposites

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This paper presents the multi-scale hybridization of carbon nanotube (CNT) with microparticles in polymers which offers new opportunity to develop high performance multifunctional composites. The hybrid carbon nanotube-alumina (CNT-Al2O3) compound was synthesized via chemical vapour deposition (CVD) by direct growth of CNT on alumina particles. This hybrid CNT-Al2O3 compound was incorporated into the epoxy matrix at various filler loadings (i.e., 1–5%) and compared to physically mixed CNT-Al2O3. The CNT-Al2O3 hybrid epoxy composites showed higher hardness compared to the CNT-Al2O3 physically mixed epoxy composites. This enhancement was associated with the homogenous dispersion of CNT-Al2O3 hybrid compound in the epoxy matrix.

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135-139

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April 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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