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Contrôle de l'interaction entre des espèces siliceuses et des espèces aluminosilicatées en présence d'une solution alcaline

Abstract : This study is a part of the FE²E project and was accomplished in order to develop an economic and ecologic fuse. The methodology covers different steps going from the raw materials characterization to the manufacturing of electrical components (as fuse and busbar) with geopolymer materials. The reactive species in alkaline solutions were determined by FTIR, NMR and Raman spectroscopies. Then, the interactions between the sand and the solutions were studied using various impregnation and different curing methods in order to optimize the mechanical properties of agglomerated sand. Fuse body replacement by geopolymer binders by a coating or by casting in a mold were considered. Then, the validation of the thermal properties by thermal treatment and the interactions between a geopolymer binder and a metallic surface conduce to a technological disruptive. Finally, the possibility to obtain a geopolymer-based fuse or busbar was clearly evidenced.
Keywords : Silicate solution
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Laeticia Vidal. Contrôle de l'interaction entre des espèces siliceuses et des espèces aluminosilicatées en présence d'une solution alcaline. Matériaux. Université de Limoges, 2016. Français. ⟨NNT : 2016LIMO0055⟩. ⟨tel-03350290⟩

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