Compressing some sol-gel materials and reduces their stiffness: a textural analysis
The mechanical behaviour of two series of silica and of resorcinol xerogels is analyzed by mercury porosimetry. The data are expressed as pressure-density curves, which enables textural information to be obtained. In particular, it is shown that some of the analyzed samples exhibit a marked lowering...
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| creator | Gommes, C.J. Job, N. Blacher, S. Pirard, J.-P. |
| description | The mechanical behaviour of two series of silica and of resorcinol xerogels is analyzed by mercury porosimetry. The data are expressed as pressure-density curves, which enables textural information to be obtained. In particular, it is shown that some of the analyzed samples exhibit a marked lowering of their mechanical stiffness upon compression. This observation is analyzed in terms of the collapse of the sample's porosity and of the heterogeneity of the microstructure. |
| doi_str_mv | 10.1016/S0167-2991(07)80026-7 |
| format | Book Chapter |
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| ispartof | Characterization of Porous Solids VII, 2007, Vol.160, p.193-200 |
| issn | 0167-2991 |
| language | eng |
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| source | Emerald Books Business Management And Economics |
| subjects | Catalysis Chemistry Chimie Engineering, computing & technology Ingénierie, informatique & technologie Materials science Materials science & engineering Physical, chemical, mathematical & earth Sciences Physique, chimie, mathématiques & sciences de la terre Science des matériaux & ingénierie |
| title | Compressing some sol-gel materials and reduces their stiffness: a textural analysis |
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