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Issue 22, 2010
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Hierarchical wrinkling patterns

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Abstract

This paper reports a simple and flexible method for generating hierarchical patterns from wrinkling instability. Complex features with gradually changing topographies are generated by using the spontaneous wrinkling of a rigid membrane (titanium) on a soft foundation (polystyrene) compressed via the diffusion of a solvent. We show that the morphology of these unreported wrinkled patterns is directly related to the rheological properties of the polymer layer and the geometry of the diffusion front. Based on these ingredients, we rationalize the mechanism for the formation of hierarchical wrinkling patterns and quantify our experimental findings with a simple scaling theory. Finally, we illustrate the relevance of our structuration method by studying the mechanosensitivity of fibroblasts.

Graphical abstract: Hierarchical wrinkling patterns

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Article information


Submitted
18 May 2010
Accepted
02 Jul 2010
First published
19 Aug 2010

Soft Matter, 2010,6, 5751-5756
Article type
Paper

Hierarchical wrinkling patterns

H. Vandeparre, S. Gabriele, F. Brau, C. Gay, K. K. Parker and P. Damman, Soft Matter, 2010, 6, 5751
DOI: 10.1039/C0SM00394H

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