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Preparation and Properties of Graphene and its Nanocomposites

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Abstract:

This study proposed a method to improve the mechanical properties and thermal conductivity of epoxy composites by incorporating multi-walled carbon nanotubes (MWCNTs) and multi-graphene platelets (MGPs) hybrid materials. The MWCNT can bridge adjacent MGPs and inhibit their aggregation effectively, leading to an increased contact surface area between MGP/MWCNT hybrid materials and epoxy matrix. From observing the fractured surface of composite by scanning electron microscope, MWCNT/MGP hybrid materials exhibited better compatibility than individual MWCNT and MGP did.The tensile strength of GD400-MWCNT/MGP/epoxy composites was 35.4% higher than that of epoxy, compared to only a 0.9% increase in tensile strength for MGP/epoxy composites. Thermal conductivity enhanced by 146.9% through incorporating MWCNT/MGP hybrid materials and 23.9% for MGP fillers, compared to non-derivatised epoxy.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 719-720)

Pages:

141-144

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.719-720.141

Citation:

Cite this paper

Online since:

January 2015

Authors:

Chen Chi M. Ma*, Sheng Tsung Hsiao, Wei Hao Liao, Shin Ming Li, Yu Sheng Wang, Chi Wen Lin

Keywords:

Graphene, Mechanical Property, Nanocomposite, Polymer, Thermal Conductivity

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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