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Ultrastructural evolution during sintering of mixed sonogels

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Abstract

A first approach to the ultrastructural evolution during the sintering process of TiO2-SiO2 aerogels has been done on the basis of the gelation kinetics and dried gel previous analysis, in order to tailor the mixed glass sol-gel processing.

Small Angle X-Ray Scattering (SAXS) technique was used to study the evolution of the ultrastructure of porous aerogels partially densified at several temperatures. The analysis of the scattering intensity profiles on the basis of the Porod's Two Phase Media Model gives valuable information about pore-solid matrix interface evolution on sintering.

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Authors and Affiliations

  1. Departamento de Estructura y Propiedades de los Materiales, Universidad de Cádiz, Apartado 40, Puerto Real, 11510, Cádiz, Spain

    Milagrosa Ramirez del Solar & Luis Esquivias

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  1. Milagrosa Ramirez del Solar
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  2. Luis Esquivias
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Ramirez del Solar, M., Esquivias, L. Ultrastructural evolution during sintering of mixed sonogels. J Sol-Gel Sci Technol 3, 41–46 (1994). https://doi.org/10.1007/BF00490147

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