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Integrated random-aligned carbon nanotube layers: Deformation mechanism under compression
Zeng Z.1; Gui X.1; Gan Q.1; Lin Z.1; Zhu Y.1; Zhang W.1; Xiang R.1; Cao A.2; Tang Z.1
2014-02-07
Source PublicationNanoscale
ISSN20403364 20403372
Volume6Issue:3Pages:1748-1755
AbstractCarbon nanotubes have the potential to construct highly compressible and elastic macroscopic structures such as films, aerogels and sponges. The structure-related deformation mechanism determines the mechanical behavior of those structures and niche applications. Here, we show a novel strategy to integrate aligned and random nanotube layers and reveal their deformation mechanism under uniaxial compression with a large range of strain and cyclic testing. Integrated nanotube layers deform sequentially with different mechanisms due to the distinct morphology of each layer. While the aligned layer forms buckles under compression, nanotubes in the random layer tend to be parallel and form bundles, resulting in the integration of quite different properties (strength and stiffness) and correspondingly distinct plateau regions in the stress-strain curves. Our results indicate a great promise of constructing hierarchical carbon nanotube structures with tailored energy absorption properties, for applications such as cushioning and buffering layers in microelectromechanical systems. © 2013 The Royal Society of Chemistry.
DOI10.1039/c3nr04667b
URLView the original
Language英語
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Cited Times [WOS]:14   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Sun Yat-Sen University
2.Peking University
3.Hong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Zeng Z.,Gui X.,Gan Q.,et al. Integrated random-aligned carbon nanotube layers: Deformation mechanism under compression[J]. Nanoscale,2014,6(3):1748-1755.
APA Zeng Z..,Gui X..,Gan Q..,Lin Z..,Zhu Y..,...&Tang Z..(2014).Integrated random-aligned carbon nanotube layers: Deformation mechanism under compression.Nanoscale,6(3),1748-1755.
MLA Zeng Z.,et al."Integrated random-aligned carbon nanotube layers: Deformation mechanism under compression".Nanoscale 6.3(2014):1748-1755.
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