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Internet Electronic Journal of Molecular Design - IEJMD, ISSN 1538-6414, CODEN IEJMAT
| ABSTRACT - Internet Electron. J. Mol. Des. March 2006, Volume 5, Number 3, 135-143 |
Nanoindentation Investigation of Carbon Nanotube-Polymer Composites
Peter M. Nagy, Dora Aranyi, Peter Horváth, Petra Pötschke, Sven Pegel, and Erika Kálmán
Internet Electron. J. Mol. Des. 2006, 5, 135-143
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Abstract:
Polymer-carbon nanotube (CNT) composites are promising
structural materials due to high formability, good mechanical
properties and high electrical conductivity. The main targets
of polymer-CNT composite research are to reach a
homogeneous distribution of the CNT in the polymer, and to
achieve a high adhesion between CNT and polymer. The
resulting properties were less frequently investigated till now,
for example nanoindentational hardness and Young's
modulus have not been studied to our knowledge.
Nanoindentation was chosen as method of investigation,
because it requires a small piece of sample material and it is
nearly damage free. Beside an MWNT free reference samples
with 2, 4, and 6 wt% of multiwalled carbon nanotubes
(MWCNT) were produced using the master batch dilution
method starting from a composite with 15 wt% MWCNT.
Nanoindentation investigations showed an increase in
hardness and Young's modulus of the samples by increasing
the MWCNT concentration. This increase was about twice
the weight fraction of MWCNT in the nanocomposite samples.
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