Editorial for Special Issue: Alkali Activated Materials: Advances, Innovations, Future Trends

Scanning electron microscopy (SEM) indicated that both geopolymers contained unreacted particles surrounded by amorphous and semi-amorphous phases, while Fourier transform infrared spectroscopy (FTIR) suggested that Na and Ca can serve as exchangeable ions, thus increasing the adsorption efficiency...

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Bibliographic Details
Published in:Minerals (Basel) 2021-01, Vol.11 (1), p.75
Main Authors: Komnitsas, Kostas A., Bartzas, Georgios
Format: Article
Language:English
Subjects:
Adsorbents
Analytical methods
Calorimetry
Cement
Compressive strength
Concrete
Curing
Electron microscopy
Fourier analysis
Fourier transforms
Geopolymers
Heat
Infrared spectroscopy
Mass spectrometry
Mass spectroscopy
Multivariate analysis
Particle size
Pore size
Prediction models
Raw materials
Rheological properties
Rheology
Scanning electron microscopy
Sensors
Shear strain
Slag
Thermogravimetry
Toxicity
Trends
Viscosity
Yield stress
Zeolites
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Summary:Scanning electron microscopy (SEM) indicated that both geopolymers contained unreacted particles surrounded by amorphous and semi-amorphous phases, while Fourier transform infrared spectroscopy (FTIR) suggested that Na and Ca can serve as exchangeable ions, thus increasing the adsorption efficiency of the produced geopolymers. FTIR, isothermal conduction calorimetry, thermogravimetry coupled with mass spectrometry analysis of the evolved gas, and SEM/EDS were used to assess the effect of mechanical activation on the reactivity of the raw materials. [...]a predictive model based on multivariate analysis for the determination of the compressive strength of CPB samples was developed. [...]the rheological behavior of both OPC- and AAS-CPB samples was substantially improved when higher curing temperature was used.
ISSN:2075-163X
2075-163X
DOI:10.3390/min11010075