Buckling instability of zinc oxide nanobelts under uniaxial compression investigated using molecular dynamics
2014
Abstract Molecular dynamics is used to simulate the phase transformation and load curves of ZnO nanobelts during a uniaxial compression process. The Buckingham-type interatomic potential is modeled to simulate the interaction between Zn and O atoms. This study focuses on the stretch process parameters, including the stretch rate and substrate temperature. Under uniaxial compressive loading, a phase transformation occurs and the critical buckling stress is computed. From the simulation results, the load-carrying capacity of a nanobelt decreases significantly with increasing slenderness ratio L / r . The buckling stress decreases with increasing substrate temperature.
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