Computation of the loading diagram and the tensile strength of carbon nanotube networks

A modification is suggested to the Brenner potential cut-off function in order to compute atomic forces of carbon nanostructures in a more realistic way and giving a possibility to fit the atomic forces to experimental data. With the modified Brenner potential, the loading diagram and the tensile strength were determined for an example of the carbon nanotube networks. According to these new computational results carbon nanotube networks can be the materials which inherit the extremely high strength of the graphite sheet and they bring this property in all directions of the 3D space (not only in one direction as the nanotubes).