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Issue 22, 2010
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Random blisters on stickers: metrology through defects

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Abstract

Blisters are commonly observed when an adhesive sheet is carelessly deposited on a plate. Although such blisters are usually not desired for practical applications, we show through model experiments on angular blisters how material properties can be deduced from height profile measurements. In particular the typical curvature of the crests is found to be proportional to an elasto-capillary length that compares the bending stiffness of the sheet with the adhesion energy. In addition, the radius of the tip allows the estimation of the product of this length with the thickness of the sheet. The relevance of these results to realistic random configurations is finally confirmed.

Graphical abstract: Random blisters on stickers: metrology through defects

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Article information


Submitted
27 May 2010
Accepted
06 Aug 2010
First published
29 Sep 2010

Soft Matter, 2010,6, 5720-5728
Article type
Paper

Random blisters on stickers: metrology through defects

Y. Aoyanagi, J. Hure, J. Bico and B. Roman, Soft Matter, 2010, 6, 5720
DOI: 10.1039/C0SM00436G

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