Hybrid aerogels and bioactive aerogels under uniaxial compressionan in situ SAXS study

  1. Morales-Flórez, V. 1
  2. de la Rosa-Fox, N. 2
  3. Piñero, M. 3
  4. Esquivias, L. 4
  1. 1 Instituto de Ciencia de Materiales de Sevilla, CSIC-US
  2. 2 Dpto. Física de la Materia Condensada, Facultad de Ciencias Universidad de Cádiz
  3. 3 Dpto. Física Aplicada, CASEM Universidad de Cádiz
  4. 4 Instituto de Ciencia de Materiales de Sevilla, CSIC-US - Dpto. Física de la Materia Condensada, Facultad de Física Universidad de Sevilla
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Zeitschrift:
Revista de metalurgia

ISSN: 0034-8570

Datum der Publikation: 2010

Ausgabe: 46

Nummer: 0

Seiten: 143-148

Art: Artikel

DOI: 10.3989/REVMETALMADRID.18XIIPMS DIALNET GOOGLE SCHOLAR lock_openOpen Access editor

Andere Publikationen in: Revista de metalurgia

Zusammenfassung

The complex structure of hybrid organic/inorganic aerogels is composed by an inorganic phase covalently bonded to an organic chain forming a copolymer. Conventional hybrid aerogels were studied as well as bioactive hybrid aerogels, that is, aerogels with a calcium active phase added. In this work, the relationship between mechanical response and nanostructure was studied, using a specifically designed sample-holder for in situ uniaxial compression obtaining at the same time the small-angle X-ray pattern from synchrotron radiation (SAXS). Structural elements can be described as a particulated silica core surrounded by the organic chains. These chains are compressed on the direction parallel to the load, and a relationship between macroscopic uniaxial compression and particle and pore deformations can be established.

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Fuente de los datos: Dialnet