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Erschienen in: Meccanica 14/2017

26.01.2017 | Active behavior in soft matter and Mechanobiology

The delamination of a growing elastic sheet with adhesion

verfasst von: Gaetano Napoli, Stefano Turzi

Erschienen in: Meccanica | Ausgabe 14/2017

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Abstract

We study the onset of delamination blisters in a growing elastic sheet adhered to a flat stiff substrate. When the ends of the sheet are kept fixed, its growth causes residual stresses that lead to delamination. This instability can be viewed as a discontinuous buckling between the complete adhered solution and the buckled solution. We provide an analytic expression for the critical deformation at which the instability occurs. We show that the critical threshold scales with a single dimensionless parameter that comprises information from the geometry of the sheet, the mechanical parameters of material and the adhesive features of the substrate.

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Metadaten
Titel
The delamination of a growing elastic sheet with adhesion
verfasst von
Gaetano Napoli
Stefano Turzi
Publikationsdatum
26.01.2017
Verlag
Springer Netherlands
Erschienen in
Meccanica / Ausgabe 14/2017
Print ISSN: 0025-6455
Elektronische ISSN: 1572-9648
DOI
https://doi.org/10.1007/s11012-017-0618-0

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