Reaction kinetics in sodium silicate powder and liquid activated slag binders evaluated using isothermal calorimetry

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Properties of alkali activated slag-fly ash blends with limestone addition (2015, background): “It usually occurs within the first few minutes of mixing [47] and is generally regarded as a physical process, although some chemical reactions are possibly involved.”
Reaction kinetics, gel character and strength of ambient temperature cured alkali activated slag–fly ash blends (2015, background): “The first peak of heat flow corresponds to the initial wetting, dissolution of raw materials (primarily the breakdown of MeAO and TAO bonds of slag) within the first few minutes after mixing [41], also partly due to the formation of the initial reaction products from the dissolved units such as Si, ”
Fracture properties and microstructure formation of hardened alkali-activated slag/fly ash pastes (2021, background): “However, an excessive amount of silica is not favorable as well since it can retard the dissolution of slag as well as the further polycondensation reaction, which may harm the strength development [21,34,35].”
Isothermal reaction kinetics and temperature dependence of alkali activation of slag, fly ash and their blends (2013, background): “(1)) [42,55] and the Knudsen linear dispersion model (Eq.”
Mechanisms of autogenous shrinkage of alkali-activated slag and fly ash pastes (2020, background): “due to the continuous formation of reaction products surrounding the unreacted particles and the gradually blocked pore space [50].”