Uniaxial deformation tests of aqueous foams: rate effects and topological changes
Résumé
We have experimentally obtained force - elongation, F(w), curves for the uniaxial extension/compression of single cylindrical bubbles and bubble clusters bounded by two horizontal walls at a variable separation w. We have studied the effect of the elongation rate on F(w) of cylindrical bubbles and the changes in F associated with instabilities and with topological transformations that occur during deformation of bubble clusters.
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