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Modeling frequency- and temperature-invariant dissipative behaviors of randomly entangled carbon nanotube networks under cyclic loading

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Abstract

Recent experiments have shown that entangled networks of carbon nanotubes exhibit temperature- and frequency-invariant dissipative behaviors under cyclic loading. We have performed coarse-grained molecular dynamics simulations which show that these intriguing phenomena can be attributed to the unstable attachments/detachments between individual carbon nanotubes induced by van der Waals interactions. We show that this behavior can be described by a triboelastic constitutive model. This study highlights the promise of carbon nanomaterials for energy absorption and dissipation under extreme conditions.

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Authors and Affiliations

  1. School of Aerospace Engineering and Applied Mechanics, Tongji University, Shanghai, 200092, China

    Xiaodong Yang & Pengfei He

  2. School of Engineering, Brown University, Providence, RI, 02912, USA

    Xiaodong Yang & Huajian Gao

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  1. Xiaodong Yang
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  2. Pengfei He
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  3. Huajian Gao
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Correspondence to Huajian Gao.

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Yang, X., He, P. & Gao, H. Modeling frequency- and temperature-invariant dissipative behaviors of randomly entangled carbon nanotube networks under cyclic loading. Nano Res. 4, 1191–1198 (2011). https://doi.org/10.1007/s12274-011-0169-y

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  • DOI: https://doi.org/10.1007/s12274-011-0169-y

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