, Volume 53, Issue 9, pp 1957-1962
Date: 10 Sep 2011

Empirical modeling of longitudinal tension and compression of graphene nanoparticles and nanoribbons

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Abstract

Longitudinal tension and compression of graphene nanoparticles and nanoribbons have been studied using an empirical model. The pseudo-Young’s modulus of graphene nanoparticles and nanoribbons has been calculated. The size effect, i.e., the dependence of the elastic modulus on linear parameters of graphene objects, has been studied. An increase in pseudo-Young’s modulus discontinues as the length increases during the nanoparticle-to-nanoribbon transition. For the same perimeter, the graphene ribbon edges are characterized by smaller pseudo-Young’s moduli in comparison with uniaxial carbon nanotubes. Elastic deformation of graphene nanoparticles and nanoribbons has been observed in the relative length variation range of 0.93–1.12.

Original Russian Text © O.E. Glukhova, A.S. Kolesnikova, 2011, published in Fizika Tverdogo Tela, 2011, Vol. 53, No. 9, pp. 1855–1860.