A kirigami approach to forming a synthetic buckliball

Lin, S, Xie, Y, Li, Q, Huang, X and Zhou, S 2016, 'A kirigami approach to forming a synthetic buckliball', Scientific Reports, vol. 6, pp. 1-9.


Document type: Journal Article
Collection: Journal Articles

Title A kirigami approach to forming a synthetic buckliball
Author(s) Lin, S
Xie, Y
Li, Q
Huang, X
Zhou, S
Year 2016
Journal name Scientific Reports
Volume number 6
Start page 1
End page 9
Total pages 9
Publisher Nature Publishing Group
Abstract The shape transformation of some biological systems inspires scientists to create sophisticated structures at the nano- and macro-scales. However, to be useful in engineering, the mechanics of governing such a spontaneous, parallel and large deformation must be well understood. In this study, a kirigami approach is used to fold a bilayer planar sheet featuring a specific pattern into a buckliball under a certain thermal stimulus. Importantly, this prescribed spherical object can retract into a much smaller sphere due to constructive buckling caused by radially inward displacement. By minimizing the potential strain energy, we obtain a critical temperature, below which the patterned sheet exhibits identical principal curvatures everywhere in the self-folding procedure and above which buckling occurs. The applicability of the theoretical analysis to the self-folding of sheets with a diversity of patterns is verified by the finite element method.
Subject Structural Engineering
DOI - identifier 10.1038/srep33016
Copyright notice © The Author(s) 2016. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
ISSN 2045-2322
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