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7 papers · 1 filter
Wall friction and Janssen effect in the solidification of suspensions
Brice Saint-Michel, Marc Georgelin, Sylvain Deville +1
We address the mechanical effect of rigid boundaries on freezing suspensions. For this we perform the directional solidification of monodispersed suspensions in thin samples and we…
Ice-templated poly(vinylidene fluoride) ferroelectrets
Yan Zhang, Chris R. Bowen, Sylvain Deville
Ferroelectrets are piezoelectrically-active polymer foams that can convert externally applied loads into electric charge. Existing processing routes used to create pores of the des…
Friction of poroelastic contacts with thin hydrogel films
Jessica Delavoipière, Emilie Verneuil, Yvette Tran +3
We report on the frictional behaviour of thin poly(dimethylacrylamide) (PDMA) hydrogels films grafted on glass substrates in sliding contact with a glass spherical probe. Friction…
How reproducible are methods to measure the dynamic viscoelastic properties of poroelastic media?
Paolo Bonfiglio, Francesco Pompoli, Kirill V. Horoshenkov +30
There is a considerable number of research publications on the acoustical properties of porous media with an elastic frame. A simple search through the Web of ScienceTM (last acces…
Triple line destabilization -- Tuning film thickness through meniscus curvature
P. Hayoun, A. Letailleur, J. Teisseire +3
For partially wetting fluids, previous results suggest that the thickness and the dewetting velocity of gravity driven films are uniquely determined by the triple line dynamics. In…
The heavy windlass: Buckling and coiling of an elastic rod inside a liquid drop in the presence of gravity
Hervé Elettro, Arnaud Antkowiak, Sébastien Neukirch
A liquid drop sitting on an elastic rod may act as a winch, or windlass, and pull the rod inside itself and coil it. This windlass effect has been shown to be generated by surface…