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Belmoujahid, Y., Bonne, M., Scudeller, Y., Schleich, D., Grohens, Y. & Lebeau, B. (2015) SBA-15 mesoporous silica as a super insulating material. Eur. Phys. J.-Spec. Top. 224 1775–1785.
Added by: Laurent Cournède (2016-03-10 18:36:41) |
| Type de référence: Article DOI: 10.1140/epjst/e2015-02498-3 Numéro d'identification (ISBN etc.): 1951-6355 Clé BibTeX: Belmoujahid2015 Voir tous les détails bibliographiques  |
Catégories: ID2M Mots-clés: adsorption, aerogels, catalysts, particles, pores, solids, Stability, thermal-conductivity Créateurs: Belmoujahid, Bonne, Grohens, Lebeau, Schleich, Scudeller Collection: Eur. Phys. J.-Spec. Top. |
Consultations : 8/525
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| Résumé |
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The thermal insulation behavior of ordered mesoporous silica SBA-15 aggregates heat treated at 300 C-a similar to was studied. An important decrease in the effective thermal conductivity according to the increase of the apparent density was observed. A thermal conductivity value less than 25 mW.m(-1).K-1 was reached during the compaction phenomenon. Results of thermal conductivity were correlated to the electron microscopy observations and physicochemical data (X-ray diffraction, adsorption/desorption of nitrogen volumetric measurements). These thermal properties make these materials very promising for thermal insulation applications, especially with values inferior to the thermal conductivity of air.
Added by: Laurent Cournède |