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Anisotropic Morphing in Bistable Kirigami through Symmetry Breaking and Geometric Frustration.
Qiao, Chuan; Agnelli, Filippo; Pokkalla, Deepak Kumar; D'Ambrosio, Nicholas; Pasini, Damiano.
Afiliación
  • Qiao C; MOE Key Laboratory of Deep Earth Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, 610065, China.
  • Agnelli F; Department of Mechanical Engineering, McGill University, Montréal, Québec, H3A 0C3, Canada.
  • Pokkalla DK; Department of Mechanical Engineering, McGill University, Montréal, Québec, H3A 0C3, Canada.
  • D'Ambrosio N; Department of Mechanical Engineering, McGill University, Montréal, Québec, H3A 0C3, Canada.
  • Pasini D; Department of Mechanical Engineering, McGill University, Montréal, Québec, H3A 0C3, Canada.
Adv Mater ; 36(23): e2313198, 2024 Jun.
Article en En | MEDLINE | ID: mdl-38413013
ABSTRACT
Shape morphing in bistable kirigami enables remarkable functionalities appealing to a diverse range of applications across the spectrum of length scale. At the core of their shape shifting lies the architecture of their repeating unit, where highly deformable slits and quasi-rigid rotating units often exhibit multiple symmetries that confer isotropic deployment obeying uniform scaling transformation. In this work, symmetry breaking in bistable kirigami is investigated to access geometric frustration and anisotropic morphing, enabling arbitrarily scaled deployment in planar and spatial bistable domains. With an analysis on their symmetry properties complemented by a systematic investigation integrating semi-analytical derivations, numerical simulations, and experiments on elastic kirigami sheets, this work unveils the fundamental relations between slit symmetry, geometric frustration, and anisotropic bistable deployment. Furthermore, asymmetric kirigami units are leveraged in planar and flat-to-3D demonstrations to showcase the pivotal role of shear deformation in achieving target shapes and functions so far unattainable with uniformly stretchable kirigami. The insights provided in this work unveil the role of slit symmetry breaking in controlling the anisotropic bistable deployment of soft kirigami metamaterials, enriching the range of achievable functionalities for applications spanning deployable space structures, wearable technologies, and soft machines.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Adv Mater Asunto de la revista: BIOFISICA / QUIMICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Alemania

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Adv Mater Asunto de la revista: BIOFISICA / QUIMICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Alemania