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On the compressive response of carbon nanotube tangles
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
2009 (English)In: Physics Letters A, ISSN 0375-9601, Vol. 373, no 35, 3169-3173 p.Article in journal (Refereed) Published
Abstract [en]

The nonlinear bulk compressibility of entangled multiwalled carbon nanotubes is studied. The analogy with textile fibre assemblies is explored by means of the well established van Wyk model. In view of the small diameter of the nanotubes. the possible effect of adhesive van der Waals interactions at tube-tube contacts is analysed. It is found, however, that the contribution of adhesive contacts to the bulk stress should be negligible. Compression experiments are performed on multi-walled carbon nanotubes and show that van Wyk's model is able to describe the response, although the values of the dimensionless parameter k of van Wyk's model were lower than expected. There is indeed no indication that van der Waals interactions play any significant role.

Place, publisher, year, edition, pages
2009. Vol. 373, no 35, 3169-3173 p.
Keyword [en]
Nano-tangles, Van Wyk's model, Carbon nanotubes, Fibre network, Van der Waals interactions
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-32284DOI: 10.1016/j.physleta.2009.06.055ISI: 000269295800014ScopusID: 2-s2.0-67651225114OAI: diva2:409978
QC 20110412Available from: 2011-04-12 Created: 2011-04-11 Last updated: 2011-04-12Bibliographically approved

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