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- Centre National de la Recherche ScientifiqueFR35 papers
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16 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…
Sedimentation of self-propelled Janus colloids: polarization and pressure
Felix Ginot, Alexandre Solon, Yariv Kafri +3
We study experimentally-using Janus colloids-and theoretically-using Active Brownian Particles- the sedimentation of dilute active colloids. We first confirm the existence of an ex…
Time lapse, three dimensional in situ imaging of ice crystal growth in a colloidal silica suspension
Sylvain Deville, Jérôme Adrien, Eric Maire +2
The freezing of colloidal suspensions is encountered in many natural and engineering processes such as the freezing of soils, food engineering, and cryobiology. It can also be used…
Influence of particle size on ice nucleation and growth during the freeze-casting process
Sylvain Deville, Eric Maire, Audrey Lasalle +4
The solidification behaviour of suspensions of alumina particles during directional solidification is investigated here by in situ observations using X-ray radiography and tomograp…
Artificial Bone and Teeth through Controlled Ice Growth in Colloidal Suspensions
Antoni P. Tomsia, Eduardo Saiz, Sylvain Deville
The formation of regular patterns is a common feature of many solidification processes involving cast materials. We describe here how regular patterns can be obtained in porous alu…