Relation between working properties and structural properties from 27Al, 29Si and 31P NMR and XRD of acid-based geopolymers from 25 to 1000°C - ONERA - Office national d'études et de recherches aérospatiales Accéder directement au contenu
Article Dans Une Revue Materials Chemistry and Physics Année : 2019

Relation between working properties and structural properties from 27Al, 29Si and 31P NMR and XRD of acid-based geopolymers from 25 to 1000°C

Résumé

Highlights: (maximum 85 characters, including spaces, per bullet point).  Acid-based geopolymers display different processing-dependent working properties.  Acid-based geopolymers are mostly composed of Al-O-P and Si(OH)4 networks.  The quantities of Al-O-P and unreacted metakaolin govern the thermal resistance.  The increase of the Young's modulus is related to a higher thermal resistance.  Ordered structures and low amounts of physisobed water lead to water resistance.
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hal-02333610 , version 1 (26-11-2020)

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Hélène Celerier, Jenny Jouin, Ameni Gharzouni, Virginie Mathivet, Isabel Sobrados, et al.. Relation between working properties and structural properties from 27Al, 29Si and 31P NMR and XRD of acid-based geopolymers from 25 to 1000°C. Materials Chemistry and Physics, 2019, 228, pp.293-302. ⟨10.1016/j.matchemphys.2019.02.049⟩. ⟨hal-02333610⟩
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