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- Centre National de la Recherche ScientifiqueFR35 papers
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6 papers · 2 filters
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…
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…
Porous silicon carbide and aluminum oxide with unidirectional open porosity as model target materials for radioisotope beam production
M. Czapski, T. Stora, Caroline Tardivat +5
New silicon carbide (SiC) and aluminum oxide (Al2O3) of a tailor-made microstructure were produced using the ice-templating technique, which permits controlled pore formation condi…