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Article Dans Une Revue Journal of the American Ceramic Society Année : 2014

Crystal Templating with Mutually Miscible Solvents: A Simple Path to Hierarchical Porosity

Résumé

Ice templating, a route where ice crystals are used to template macroporosity, has been used to process a variety of materials with one level of macropores. We demonstrate here a variant of ice templating based on the solidification of mutually miscible solvents. The solidification of different phases, each defined by their own size and morphology, provides a simple one-step processing route for materials with hierarchical porosity defined by up to three levels of macroporosity. These concepts are demonstrated with both ceramic (yttria-stabilized zirconia) and polymer (polyvinyl alcohol) materials.

Domaines

Matériaux
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Dates et versions

hal-01133190 , version 1 (18-05-2018)

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Christian Guizard, Jérôme Leloup, Sylvain Deville. Crystal Templating with Mutually Miscible Solvents: A Simple Path to Hierarchical Porosity. Journal of the American Ceramic Society, 2014, 97 (7), pp.2020-2023. ⟨10.1111/jace.12995⟩. ⟨hal-01133190⟩
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