Research Article

Nano Research

, Volume 4, Issue 12, pp 1191-1198

First online:

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

  • Xiaodong YangAffiliated withSchool of Aerospace Engineering and Applied Mechanics, Tongji UniversitySchool of Engineering, Brown University
  • , Pengfei HeAffiliated withSchool of Aerospace Engineering and Applied Mechanics, Tongji University
  • , Huajian GaoAffiliated withSchool of Engineering, Brown University Email author 

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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.


Carbon nanotubes unstable detachments and attachments van der Waals interactions triboelastic