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Cohen-Addad, Sylvie
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Topics
Publications (9/9 displayed)
- 2023Hierarchical bubble size distributions in coarsening wet liquid foamscitations
- 2023Hierarchical bubble size distributions in coarsening wet liquid foamscitations
- 2019Elastic behavior of confined soap frothcitations
- 2017Stabilization of foams by the combined effects of an insoluble gas species and gelation citations
- 2014Closed-cell crystalline foams: Self-assembling, resonant metamaterialscitations
- 2013The coupling between foam viscoelasticity and interfacial rheologycitations
- 2010Investigation of shear banding in three-dimensional foamscitations
- 2007Rigidity Percolation in Particle-Laden Foamscitations
- 2005Is the yield stress of aqueous foam a well-defined quantity?citations
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article
Rigidity Percolation in Particle-Laden Foams
Abstract
We study the viscoelastic behavior of aqueous foam mixed with solid noncolloidal particles. We show that adding a tiny amount of grains can enhance the elastic and loss shear moduli by more than 1 order of magnitude. The scaling of these moduli with solid volume fraction is in qualitative agreement with that predicted by an effective-medium rigidity percolation model. We present a simple model, based on capillary attraction, to explain the particle-size dependence of the threshold.