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Molecular dynamics simulation on mechanicalproperty of carbon nanotube torsional deformation 总被引:3,自引:0,他引:3 下载免费PDF全文
In this paper torsional deformation of the carbon nanotubes is simulated by
molecular dynamics method. The Brenner potential is used to set up thesimulation
system. Simulation results show that the carbon nanotubes can bear larger torsional
deformation, for the armchair type (10,10) single wall carbon nanotubes, with a
yielding phenomenon taking place when the torsional angle is up to
63$^{\circ}$(1.1rad). The influence of carbon nanotube helicity in torsional
deformation is very small. The shear modulus of single wall carbon nanotubes should
be several hundred GPa, not 1\,GPa as others reports. 相似文献
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