Multistable Kirigami for Tunable Architected Materials

Abstract

In nature, materials such as ferroelastics and multiferroics can switch their microstructure in response to external stimuli, and this reconfiguration causes a simultaneous modulation of its material properties. Rapid prototyping technologies have enabled origami and kirigami-inspired architected materials to provide a means for designing shape-shifting structures, and here we show how multistable structures inspired by kirigami provide novel design criteria for preparing mechanical metamaterials with tunable properties. By changing the geometry of kirigami unit cells, we obtain multistable kirigami lattice structures endowed with a bistable snap-through mechanism. We demonstrate the precise control of material stiffness, along with the ability to tune this property in situ by locally and reversibly switching the unit cell configurations. We anticipate these mechanical metamaterials will provide a platform to achieve in situ tunable electrical, optical, and mechanical properties for a variety of applications in multifunctional materials, two-dimensional materials, and soft robotics.

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• Programmable Mechanical Metamaterials
• Combinatorial Design of Textured Mechanical Metamaterials
• Buckling-Induced Kirigami
• Topological mechanics of origami and kirigami
• Transformable topological mechanical metamaterials
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Cited by in corpus (11)

• Propagation of pop ups in kirigami shells
• Boundary curvature guided shape-programming kirigami sheets
• Forward and Inverse Design of Kirigami via Supervised Autoencoder
• Theorem on the Compatibility of Spherical Kirigami Tessellations
• Learned multi-stability in mechanical networks
• Programming bistability in geometrically perturbed mechanical metamaterials
• Cutting holes in bistable folds
• Continuity and discontinuity of kirigami's high-extensibility transition: a statistical-physics viewpoint
• Buckling vs unilateral constraint for a multistable metamaterial element
• Memory capacity of adaptive flow networks
• Theorem for the design of deployable kirigami tessellations with different topologies