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Issue 21, 2011
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Mechanics of carbon nanotube networks: microstructural evolution and optimal design

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Abstract

Carbon nanotube networks feature outstanding mechanical performance, and also hierarchical structures and network topologies. In this paper we investigate their structure–property relationship through mesoscale molecular dynamics simulations. We find that their microstructures undergo remarkable evolution under mechanical loads. The correlation between applied strain, microstructural evolution and failure mechanism, especially the bundling process and evolution of bridging carbon nanotubes, is discussed based on the simulation results. Based on the insights of the underlying mechanisms, further engineering approaches on the carbon nanotube networks towards enhanced mechanical properties are proposed and validated, e.g., by including intertube cross-links that resist shear, maintain the network topology and improve strain affinity.

Graphical abstract: Mechanics of carbon nanotube networks: microstructural evolution and optimal design

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Publication details

The article was received on 03 Jun 2011, accepted on 02 Aug 2011 and first published on 07 Sep 2011


Article type: Paper
DOI: 10.1039/C1SM06034A
Citation: Soft Matter, 2011,7, 10039-10047
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    Mechanics of carbon nanotube networks: microstructural evolution and optimal design

    B. Xie, Y. Liu, Y. Ding, Q. Zheng and Z. Xu, Soft Matter, 2011, 7, 10039
    DOI: 10.1039/C1SM06034A

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