Deployable mechanical metamaterials with multistep programmable transformation

Zhiqiang Meng, Mingchao Liu, Hujie Yan, Guy M. Genin, Chang Qing Chen

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

Transformations in shape are critical to actuation in engineered metamaterials. Existing engineering metamaterials are typically limited to a small number of shape transformations that must be built-in during material synthesis. Here, inspired by the multistability and programmability of kirigami-based self-folding elements, a robust framework is introduced for the construction of sequentially programmable and reprogrammable mechanical metamaterials. The materials can be locked into multiple stable deployed configurations and then, using tunable bistability enabled by temperature-responsive constituent materials, return to their original reference configurations or undergo mode bifurcation. The framework provides a platform to design metamaterials with multiple deployable and reversible configurations in response to external stimuli.

Original languageEnglish
Article numbereabn5460
JournalScience Advances
Volume8
Issue number23
DOIs
StatePublished - Jun 2022

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