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Study of mechanical properties of modified and unmodified double-walled carbon nanotubes

مجله Medbiotech، دوره: 3، شماره: 4
Year: 1398
COI: JR_MBT-3-4_007
Language: EnglishView: 172
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Sahar Beigy - Mechanical Engineering Department, Sahand University of Technology, Tabriz, Iran
Javad Akbarian - Mechanical Engineering Department, Payam Noor University, Tehran, Iran


In the past decade a large interest is developed to carbon nanotubes (CNTs) that exhibit exceptional mechanical and electrical properties. In this paper, the finite element model (FE) is combined with the modified Morse interatomic potential and the molecular structural mechanics approach in order to study the role of diameter and chirality in the mechanical properties of Armchair and Zigzag double-walled carbon nanotubes (DWCNTs). The interlayer van der Waals (vdW) forces are represented by the ‘6–12’ Lennard–Jones (LJ) potential and simulated by a nonlinear truss rod model. The results show the Young’s and shear modulus of DWCNTs increases with increasing the nanotube diameter. The computational results agree well with the previous experimental and theoretical results.


Mechanical properties , Finite element method , Double walled Carbon Nanotubes

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Beigy, Sahar and Akbarian, Javad,1398,Study of mechanical properties of modified and unmodified double-walled carbon nanotubes,

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