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Issue 8, 2020
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Shape-morphing architectures actuated by Janus fibers

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Abstract

We describe a combined experimental and theoretical investigation of shape-morphing structures assembled by actuating composite (Janus) fibers, taking into account multiple relevant factors affecting shape transformations, such as strain rate, composition, and geometry of the structures. Starting with simple bending experiments, we demonstrate the ways to attain multiple out-of-plane shapes of closed rings and square frames. Through combining theory and simulation, we examine how the mechanical properties of Janus fibers affect shape transitions. This allows us to control shape changes and to attain target 3D shapes by precise tuning of the material properties and geometry of the fibers. Our results open new perspectives of design of advanced mechanical metamaterials capable to create elaborate structures through sophisticated actuation modes.

Graphical abstract: Shape-morphing architectures actuated by Janus fibers

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Article information


Submitted
12 Dec 2019
Accepted
25 Jan 2020
First published
27 Jan 2020

Soft Matter, 2020,16, 2086-2092
Article type
Paper

Shape-morphing architectures actuated by Janus fibers

A. Zakharov, L. M. Pismen and L. Ionov, Soft Matter, 2020, 16, 2086
DOI: 10.1039/C9SM02441G

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