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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…
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…
Reliability assessment in advanced nanocomposite materials for orthopaedic applications
Jérôme Chevalier, Paola Taddei, Laurent Gremillard +8
Alumina-zirconia nano-composites were recently developed as alternative bearing materials for orthopedics. Previous, preliminary reports show that such alumina-zirconia nanocomposi…
Investigating the dispersion state of alumina suspensions: contribution of Cryo-FEGSEM characterizations
Audrey Lasalle, Christian Guizard, Sylvain Deville +2
We illustrate in this paper the interest of cryo scanning electron microscopy (cryo-FEGSEM) to investigate the stability of alumina suspensions. The stability is investigated throu…
Ice-Templating of Alumina Suspensions: Effect of Supercooling and Crystal Growth During the Initial Freezing Regime
Audrey Lasalle, Christian Guizard, Jérôme Leloup +6
We investigate the ice-templating behaviour of alumina suspensions by in-situ X-rays radiography and tomography. We focus here on the formation and structure of the transitional zo…
Particles redistribution and structural defects development during ice templating
Audrey Lasalle, Christian Guizard, Eric Maire +2
The freezing of colloidal suspensions is encountered in many natural and engineering processes. It can be harnessed through a process known as ice templating, to produce porous mat…