title: Directing the deformation paths of soft metamaterials with prescribed asymmetric units.
abstract: By prescribing asymmetric ligaments with different arrangements in elastomeric porous membranes of pre-twisted kagome lattices, the buckling instability is avoided, allowing for smooth and homogenous structural reconfiguration in a deterministic fashion. The stress-strain behaviors and negative Poisson's ratios can be tuned by the pre-twisting angles.
authors: Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, Philadelphia, PA, 19104, USA.
authors: Gaoxiang
authors: G
authors: Wu
authors: Yigil
authors: Y
authors: Cho
authors: In-Suk
authors: IS
authors: Choi
authors: Dengteng
authors: D
authors: Ge
authors: Ju
authors: J
authors: Li
authors: Heung Nam
authors: HN
authors: Han
authors: Tom
authors: T
authors: Lubensky
authors: Shu
authors: S
authors: Yang
mesh_terms: D004548:Elasticity; D008958:Models, Molecular; D016062:Porosity; D013314:Stress, Mechanical
keywords: buckling instability; foldable structures; pattern transformation; reconfigurable structures