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This and the next 2 images are from:
S. Hamade (1), J. Durinck (1), G. Parry (2), C. Coupeau (1), A. Cimetiere (1), J. Grilhe (1) and J. Colin (1)
(1) Institut P’, Universite de Poitiers, ENSMA, SP2MI-Teleport 2, 86962 Futuroscope-Chasseneuil cedex, France
(2) Science et Ingenierie des Materiaux et Procedes, Universite de Grenoble, 1130 rue de la Piscine, BP 75, 38402 St Martin d’Heres cedex, France
“Effect of plasticity and atmospheric pressure on the formation of donut- and croissant-like buckles”, Physical Review E, Vol. 91, 012410, 2015, DOI:10.1103/PhysRevE.91.012410
ABSTRACT: The formation of donut- and croissant-like buckles has been observed onto the free surface of gold thin films deposited on silicon substrates. Numerical simulations clearly evidence that the coupling effect between the atmospheric pressure acting on the free surface and the plastic folding of the ductile film is responsible for the circular blister destabilization and the formation of the donut- and croissant-like buckling patterns.
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