The mechanics and design of a lightweight three-dimensional graphene assembly
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"The mechanics and design of a light..." refers methods in this paper
...MATERIALS AND METHODS MD simulation and the force field MD simulations in this study were performed via LAMMPSMD package (22) using the AIREBO force field tomodel the internal interactions among carbon atoms in graphene (23, 24)....
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"The mechanics and design of a light..." refers background in this paper
...Considering that its building block is graphene, which has a density of 2300mg/cm3 and a strength of 130 GPa (1), its strength is estimated to be 2.2 to 1360MPa by using the same scaling laws as the polymeric open-cell foam, because the strength-density plot has a slope of 3/2 on a double logarithmic plot (20, 21)....
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...The compressive strength of the material is measured to be 0.6 GPa, which corresponds to the point before the more significant increment of the stress (measured by averaging the stress between 0.1 and 0.3 strain), and it is found to be governed by the buckling of thewalls in compression (Fig....
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...The material has a Young’s modulus of 2.8 GPa (given by the slope of the stress-strain curve at the zero strain point) and a tensile strength of 2.7GPa (the peak stress in the stress-strain curve), which is an order of magnitude higher than that of mild steel....
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...The material we used for printing is called VeroMagenta, and has rs = 1175 mg/cm 3, ES = 2.45 GPa, and sTs = 50 MPa, corresponding to the density, Young’s modulus, and tensile strength of the bulkmaterial properties....
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...INTRODUCTION Graphene is one of the stiffest and strongest materials (1, 2)....
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