Size Effects on Mechanical Properties of Single-Walled Carbon Nanotube X-Junctions

W.C. Liu, Y.D. Kuang, and S.Q. Shi (PR China)


Carbon nanotubes, Size effects, Mechanical properties, Molecular dynamics simulations


The dependence of the mechanical properties such as modulus and the strength on their diameter of four terminal SWCNT junctions is studied using molecular dynamics simulations under tensile loading. The (4, 4), (6, 6) and (8, 8) junctions are considered. The simulation results show that the modulus and the strength decrease with the increase in diameter of the SWCNT. Two types of deformation mechanisms under loading are observed.

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