Title: Elastic modulus of multi-walled carbon nanotubes produced by catalytic chemical vapour deposition
Authors: Lukic, B. ×
Seo, Jin Won
Couteau, E.
Lee, K.
Gradecak, S.
Berkecz, R.
Hernadi, K.
Delpeux, S.
Cacciaguerra, T.
Beguin, F.
Fonseca, A.
Nagy, J.B.
Csanyi, G.
Kis, A.
Kulik, A.J.
Forro, L. #
Issue Date: Feb-2005
Publisher: Springer
Series Title: Applied physics a-materials science & processing vol:80 issue:4 pages:695-700
Abstract: Carbon nanotubes (CNTs) are ideal structures for use as reinforcement fibres in composite materials, due to their extraordinary mechanical properties, in particular high Young's modulus ( E similar to 1 TPa). Usually the high value of E is taken as granted for all types of carbon CNTs. Here we demonstrate that multi-walled carbon nanotubes ( MWCNTs) produced by catalytic chemical vapour deposition (CCVD) have low moduli ( E < 100 GPa) independently of their growth conditions. We attribute this to the presence of structural defects. Additional high-temperature annealing failed to improve the mechanical properties. This study urges a better control of the growth process in order to obtain high strength CCVD grown MWCNTs suitable for reinforcement in large-scale industrial applications.
ISSN: 0947-8396
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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