Swelling behavior of ion exchange resins incorporated in tri-calcium silicate cement matrix: I. Chemical analysis
作者： M. Neji , B. Bary , P. Le Bescop , N. Burlion
DOI: 10.1016/J.JNUCMAT.2015.10.013
关键词: Silicate Cement 、 Cement 、 Calcium silicate 、 Precipitation (chemistry) 、 Portlandite 、 Ion-exchange resin 、 Swelling 、 Ion exchange 、 Chemical engineering 、 Materials science
摘要: This paper presents the first part of a theoretical and experimental work aiming at modeling chemo-mechanical behavior composites made up ion exchange resins (IER) solidified in tri-calcium silicate cement paste (C3S). Because processes, volume change IER may cause internal pressures leading to degradation material. In this study, predictive is developed for describing chemical such It based on thermodynamic equilibria determine evolution potential precipitation portlandite composite. parallel, phenomenological study has been set understand phenomena related swelling mechanisms. The model created finally implemented finite elements software; simulation laboratory test performed results compared data.
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