Hybrid aerogels and bioactive aerogels under uniaxial compression: an in situ SAXS study

Authors

  • V. Morales-Flórez Instituto de Ciencia de Materiales de Sevilla, CSIC-US
  • N. de la Rosa-Fox Dpto. Física de la Materia Condensada, Facultad de Ciencias Universidad de Cádiz
  • M. Piñero Dpto. Física Aplicada, CASEM Universidad de Cádiz
  • L. Esquivias Instituto de Ciencia de Materiales de Sevilla, CSIC-US - Dpto. Física de la Materia Condensada, Facultad de Física Universidad de Sevilla

DOI:

https://doi.org/10.3989/revmetalmadrid.18XIIPMS

Keywords:

Hybrid aerogel, Bioactivity, Nanostructure, Uniaxial compression, SAXS

Abstract


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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References

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Published

2010-12-31

How to Cite

Morales-Flórez, V., de la Rosa-Fox, N., Piñero, M., & Esquivias, L. (2010). Hybrid aerogels and bioactive aerogels under uniaxial compression: an in situ SAXS study. Revista De Metalurgia, 46(Extra), 143–148. https://doi.org/10.3989/revmetalmadrid.18XIIPMS

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