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Durability of inorganic foam in solution: The role of alkali elements in the geopolymer network

Abstract : The characterization of the behavior of inorganic foams in aqueous media is defined as a function of various parameters (initial pH value of the solution, alkaline element and aging of the foam). The final products and their microstructure depend on the alkaline cation in relation with the hydration shell. Durability tests revealed that the geopolymer foam network is based on three compounds: a dense geopolymer depending on the alkaline element, amorphous silica and M 2Si 2O 5. For potassium foam, a fourth component was also evidenced: a zeolite that is partly responsible for the degradation of this foam.
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https://hal-unilim.archives-ouvertes.fr/hal-01045245
Contributeur : Sylvie Rossignol <>
Soumis le : jeudi 24 juillet 2014 - 18:55:33
Dernière modification le : samedi 19 septembre 2020 - 03:33:49

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  • HAL Id : hal-01045245, version 1

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Stéphanie Delair, Elodie Prud'Homme, Claire Peyratout, Agnès Smith, Philippe Michaud, et al.. Durability of inorganic foam in solution: The role of alkali elements in the geopolymer network. Corrosion Science, Elsevier, 2012, 59, pp.213. ⟨hal-01045245⟩

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