Reprogrammable snapping morphogenesis in ribbon-cluster meta-units using stored elastic energy.

IF 38.5 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Nature Materials Pub Date : 2025-10-10 DOI:10.1038/s41563-025-02370-z

Yaoye Hong,Caizhi Zhou,Haitao Qing,Yinding Chi,Jie Yin

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引用次数: 0

Abstract

Snapping, driven by stored elastic energy, enables versatile and rapid shape changes in nature; yet replicating such autonomous, reprogrammable morphogenesis in free-standing volumetric structures remains elusive. Here we report a lantern-shaped ribbon-cluster meta-unit that harnesses programmable and reprogrammable elastic energy to achieve over 13 distinct volumetric snapping morphologies from a single unit. Governed by three Euler angles, the meta-unit post-fabrication offers a tunable mechanical design space spanning up to quadrastable states. Unlike single-ribbon or mechanism-based designs, our system autonomously selects snapping pathways via nastic coupling between multiple ribbons, enabling the inverse design of complex snapping morphologies. We harness magnetically actuated bud-to-bloom and tristable morphogenesis to enable fast, non-invasive grasping and remote flow regulation in confined environments. These results establish a general framework for architected materials with programmable shape, stability and function, offering potential applications in soft robotics, deployable devices and mechanical logic.

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利用存储弹性能的带状-簇元单元的可重编程断裂形态发生。

在储存弹性能量的驱动下，使自然界的形状变化多样而迅速；然而，在独立的体积结构中复制这种自主的、可重新编程的形态发生仍然是难以捉摸的。在这里，我们报告了一个灯笼形状的带状簇元单元，它利用可编程和可重新编程的弹性能量，从一个单元中实现超过13种不同的体积捕捉形态。在三个欧拉角的控制下，元单元的后期制造提供了一个可调的机械设计空间，跨越到拟稳态状态。与单条带或基于机制的设计不同，我们的系统通过多个条带之间的紧密耦合自主选择捕获路径，从而实现复杂捕获形态的逆向设计。我们利用磁驱动的从花蕾到开花和可稳定的形态发生，在有限的环境中实现快速，非侵入性的抓取和远程流量调节。这些结果为具有可编程形状、稳定性和功能的建筑材料建立了一个总体框架，为软机器人、可展开设备和机械逻辑提供了潜在的应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nature Materials 工程技术-材料科学：综合

CiteScore

62.20

自引率

0.70%

发文量

221

审稿时长

3.2 months

期刊介绍： Nature Materials is a monthly multi-disciplinary journal aimed at bringing together cutting-edge research across the entire spectrum of materials science and engineering. It covers all applied and fundamental aspects of the synthesis/processing, structure/composition, properties, and performance of materials. The journal recognizes that materials research has an increasing impact on classical disciplines such as physics, chemistry, and biology. Additionally, Nature Materials provides a forum for the development of a common identity among materials scientists and encourages interdisciplinary collaboration. It takes an integrated and balanced approach to all areas of materials research, fostering the exchange of ideas between scientists involved in different disciplines. Nature Materials is an invaluable resource for scientists in academia and industry who are active in discovering and developing materials and materials-related concepts. It offers engaging and informative papers of exceptional significance and quality, with the aim of influencing the development of society in the future.