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Issue 16, 2016
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Harnessing viscoelasticity and instabilities for tuning wavy patterns in soft layered composites

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Abstract

In this study, we combine the elastic instability and non-linear rate-dependent phenomena to achieve microstructure tunability in soft layered materials. In these soft composites, elastic instabilities give rise to formation of wrinkles or wavy patterns. In elastic materials, the critical wavelength as well as amplitude at a particular strain level are exclusively defined by the composite microstructure and contrast in the elastic moduli of the phases. Here, we propose to use rate-dependent soft constituents to increase the admissible range of tunable microstructures. Through the experiments on 3D printed soft laminates, and through the numerical simulation of the visco-hyperelastic composites, we demonstrate the existence of various instability-induced wavy patterns corresponding to the identical deformed state of the identical soft composites.

Graphical abstract: Harnessing viscoelasticity and instabilities for tuning wavy patterns in soft layered composites

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Publication details

The article was received on 06 Dec 2015, accepted on 01 Apr 2016 and first published on 01 Apr 2016


Article type: Communication
DOI: 10.1039/C5SM02949J
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Citation: Soft Matter, 2016,12, 3677-3682

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    Harnessing viscoelasticity and instabilities for tuning wavy patterns in soft layered composites

    V. Slesarenko and S. Rudykh, Soft Matter, 2016, 12, 3677
    DOI: 10.1039/C5SM02949J

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