Surface roughness of peeled adhesive tape: A mystery?
IFF, FZ-Jülich - D-52425 Jülich, Germany, EU
2 Department of Functional Morphology and Biomechanics, Zoological Institute at the University of Kiel Am Botanischen Garten 1-9, D-24098 Kiel, Germany, EU
3 Department of Physics, University of Basel - Klingelbergstr. 82, 4056 Basel, Switzerland
Accepted: 4 November 2010
We study the surface roughness of adhesive tape peeled in stick-slip. We find two regions: a smooth surface region associated with fast crack propagation and a rough surface region associated with slow crack propagation. In both regions the surfaces may be self-affine fractal-like with the fractal dimension Df≈2.3. This fractal dimension is typical for surfaces produced by crack propagation, but unexpected in the present case.
PACS: 68.35.Ct – Interface structure and roughness
© EPLA, 2010