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Article Dans Une Revue Physical Review Letters Année : 2015

Multiscale Stick-Slip Dynamics of Adhesive Tape Peeling

Résumé

Using a high-speed camera, we follow the propagation of the detachment front during the peeling of an adhesive tape from a flat surface. In a given range of peeling velocity, this front displays a multiscale unstable dynamics, entangling two well-separated spatiotemporal scales, which correspond to microscopic and macroscopic dynamical stick-slip instabilities. While the periodic release of the stretch energy of the whole peeled ribbon drives the classical macro-stick-slip, we show that the micro-stick-slip, due to the regular propagation of transverse dynamic fractures discovered by Thoroddsen et al. [Phys. Rev. E 82, 046107 (2010)], is related to a high-frequency periodic release of the elastic bending energy of the adhesive ribbon concentrated in the vicinity of the peeling front.
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Dates et versions

hal-01370477 , version 1 (22-09-2016)

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Marie-Julie Dalbe, Pierre-Philippe Cortet, Matteo Ciccotti, Loïc Vanel, Stéphane Santucci. Multiscale Stick-Slip Dynamics of Adhesive Tape Peeling. Physical Review Letters, 2015, 115, pp.128301. ⟨10.1103/PhysRevLett.115.128301⟩. ⟨hal-01370477⟩
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