Behavior of calcined clay based geopolymers under sulfuric acid attack: Meta-illite and metakaolin - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Construction and Building Materials Année : 2023

Behavior of calcined clay based geopolymers under sulfuric acid attack: Meta-illite and metakaolin

Résumé

This paper studies the behavior of four different calcined clay-based geopolymers under sulfuric acid attack and gives insights into their degradation mechanisms. Pastes were cast using metakaolin and meta-illite and were activated by two different alkaline solutions. Mineralogical and microscopic characterizations were performed on pastes before and after attack. Results indicated that all pastes were affected by low leaching of alkali cations, and thus by a linkage disequilibrium of the geopolymer network. Meta-illite based geopolymers, which had not been addressed in the literature until now, hold promise for improving the durability of materials in aggressive environments.
Fichier principal
Vignette du fichier
Article_LauraDiaz_280922.pdf (2.69 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-04032808 , version 1 (16-03-2023)

Identifiants

Citer

Laura Diaz Caselles, Bastien Balsamo, Virginie Benavent, Vincent Trincal, Hugo Lahalle, et al.. Behavior of calcined clay based geopolymers under sulfuric acid attack: Meta-illite and metakaolin. Construction and Building Materials, 2023, 363, pp.129889. ⟨10.1016/j.conbuildmat.2022.129889⟩. ⟨hal-04032808⟩
41 Consultations
65 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More