| 5 | Ultralight,ductile metal mechanical metamaterials with super elastic admissible strain(0.1)显示文摘Mechanical metamaterials are architectured cellular materials with unusual properties.Herein we report another type of metal mechanical metamaterials-their elastic admissible strain(EAS)is on the order of 0.1,compared to about 0.01 for common metallic materials.Four conditions are required for a metal mechanical metamaterial to achieve this super EAS:(i)bending-dominated deformation;(ii)low density;(iii)an appropriate lattice topology,and(iv)an intrinsically high EAS for the lattice strut constituent material.The findings of this work extend perspectives on metal mechanical metamaterials. | H.Z.Zhong T.Song R.Das C.W.Li J.F.Gu M.Qian | 2023 | Journal of Materials Science & Technology2023，，31： | 0 |
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