Abstract
Graphene kirigamis, characterized by patterned cuts, can enhance some of the graphene’s mechanical and electronic properties. In this work, we report the first study of the mechanical and ballistic behavior of single and multi- layered graphene kirigami pyramid (GKP). We have carried out fully atomistic reactive molecular dynamics simulations. The GKP structures exhibit a large kinetic energy absorption capability due to their topology, which creates multi-step dissipation mechanisms that block crack propagation. Our results demonstrate that even having significantly less mass, GKP can outperform graphene structures of similar dimensions in terms of absorbing kinetic energy capabilities.
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