A new quantification method based on SEM-EDS to assess fly ash composition and study the reaction of its individual components in hydrating cement paste

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Toward an indexing approach to evaluate fly ashes for geopolymer manufacture (2016, background): “However, it must be noted that the glassy phases in fly ash are also heterog eneous, usually with different localised compositions, depending on the original minerals present in the pulverised coal, and also on the phase segregation and liquid -liquid immiscibility which is observed during cooling o”
Advances in characterizing and understanding the microstructure of cementitious materials (2019, background): “Apart from the conventional grayscale segmentation algorithm, extra image masks from elemental mapping are shown to be highly useful in the quantitative study of systems containing slag [39] and fly ash [40].”
Assessing, Understanding and Unlocking Supplementary Cementitious Materials (2016, background): “The complexity of SCMs is related to their often multicomponent nature, of which one or more amorphous materials are the reactive components of interest next to a range of non-reactive materials as exemplified by electron microscopy data on a class C fly ash in Figure 1 [16].”