Journal
MATERIALS & DESIGN
Volume 31, Issue 9, Pages 4202-4208Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2010.04.018
Keywords
Nanocomposite; Carbon nanotubes; Mechanical properties
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Untreated and acid-treated multi-walled carbon nanotubes (MWNT) were used to fabricate MWNT/epoxy composite samples by sonication technique. The effect of MWNT addition and their surface modification on the mechanical properties were investigated. Modified HalpinTasi equation was used to evaluate the Young's modulus and tensile strength of the MWNT/epoxy composite samples by the incorporation of an orientation as well as an exponential shape factor in the equation. There was a good correlation between the experimentally obtained Young's modulus and tensile strength values and the modified Halpin-Tsai theory. The fracture surfaces of MWNT/epoxy composite samples were analyzed by scanning electron microscope. (C) 2010 Elsevier Ltd. All rights reserved.
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