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Mrityunjay Kothari, Zoe Lemon, Christine Roth and Tal Cohen (Department of Civil and Environmental Engineering, MIT, 77 Massachusetts Avenue, Cambridge, MA, USA),
“Controlled propagation and jamming of a delamination front”, Soft Matter, Vol. 16, No. 43, pp 9838-9843, 21 November 2020, https://doi.org/10.1039/D0SM01164A
ABSTRACT: We study the birth and propagation of a delamination front in the peeling of a soft, weakly adhesive layer. In a controlled-displacement setting, the layer partially detaches via a subcritical instability and the motion continues until arrested, by jamming of the two lobes. Using numerical solutions and scaling analysis, we quantitatively describe the equilibrium shapes and obtain constitutive sensitivities of jamming process to material and interface properties. We conclude with a way to delay or avoid jamming altogether by tunable interface properties.
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