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Article Dans Une Revue Physical Review Letters Année : 2019

Bending to Kinetic Energy Transfer in Adhesive Peel Front Microinstability

Résumé

We report an extensive experimental study of a detachment front dynamics instability, appearing at microscopic scales during the peeling of adhesive tapes. The amplitude of this instability scales with its period as A_{mss} ∝ T^{1/3}_{mss}, with a prefactor evolving slightly with the peel angle θ, and increasing systematically with the bending modulus B of the tape backing. Establishing a local energy budget of the detachment process during one period of this microinstability, our theoretical model shows that the elastic bending energy stored in the portion of tape to be peeled is converted into kinetic energy, providing a quantitative description of the experimental scaling law.
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Dates et versions

hal-02106553 , version 1 (23-04-2019)

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V. de Zotti, K. Rapina, Pierre-Philippe Cortet, L. Vanel, S. Santucci. Bending to Kinetic Energy Transfer in Adhesive Peel Front Microinstability. Physical Review Letters, 2019, 122 (6), pp.068005. ⟨10.1103/PhysRevLett.122.068005⟩. ⟨hal-02106553⟩
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