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首页> 外文期刊>Advanced Functional Materials >3D Transformable Modular Kirigami Based Programmable Metamaterials
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3D Transformable Modular Kirigami Based Programmable Metamaterials

机译：基于3D可变形模块化Kirigami的可编程超材料

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摘要

Kirigami, the ancient paper art of cutting, has recently emerged as a new approach to construct metamaterials with novel properties imparted by cuts. However, most studies are limited to thin sheets-based 2D kirigami metamaterials with specific forms and limited reconfigurability due to planar connection constraints of cut units. Here, 3D modular kirigami is introduced by cutting bulk materials into spatially closed-loop connected cut cubes to construct a new class of 3D kirigami metamaterials. The module is transformable with multiple degrees of freedom that can transform into versatile distinct daughter building blocks. Their conformable assembly creates a wealth of reconfigurable and disassemblable metamaterials with diverse structures and unique properties, including reconfigurable 1D column-like materials, 2D lattice-like metamaterials with phase transition of chirality, as well as 3D frustration-free multilayered metamaterials with 3D auxetic behaviors and programmable deformation modes. This study largely expands the design space of kirigami metamaterials from 2D to 3D.
机译：古代纸张艺术的Kirigami最近被出现为构建具有Cuts赋予新颖性质的超材料的新方法。然而，大多数研究仅限于基于薄的薄片的2D Kirigami超材料，其具有特定形式和由于剪切单元的平面连接限制而具有有限的重新配置性。这里，通过将散装材料切割成空间闭环连接的切割立方体来引入3D模块化Kirigami，以构建一类新的3D Kirigami超材料。该模块可具有多项自由度，可以转换为多功能独特的女儿构建块。它们的适形组装具有丰富的可重构和拆卸的超材料，具有不同的结构和独特的性质，包括可重新配置的1D列类似的材料，2D格子状超材料，具有手性的相变，以及与3D辅助行为的3D令人沮丧的多层超级材料和可编程变形模式。这项研究在很大程度上扩展了从2D到3D的Kirigami超材料的设计空间。

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