Effect of elevated temperature on alkali-activated geopolymeric binders compared to portland cement-based binders

This research focused on developing thermally-stable materials based on alkali-activation of slag, fly ash, and metakaolin compared to portland cement mixtures by using a hierarchical approach to material design. At lower length scales, X-ray diffraction (XRD) characterized the mineralogy that coupl...

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Veröffentlicht in:	Cement and concrete research 2016-12, Vol.90, p.43-51
Hauptverfasser:	Rivera, O.G., Long, W.R., Weiss Jr, C.A., Moser, R.D., Williams, B.A., Torres-Cancel, K., Gore, E.R., Allison, P.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkali-activated binders AMBIENT TEMPERATURE APPROXIMATIONS BINDERS Cement Cements CT microtomography Damage Dissipation Elevated temperatures Exposure FLY ASH Geopolymers High temperature LOADING MATERIALS SCIENCE MECHANICAL PROPERTIES Metakaolin Mineralogy MIXTURES Porosity PORTLAND CEMENT Stability analysis Temperature TEMPERATURE RANGE 0400-1000 K TGA THERMAL GRAVIMETRIC ANALYSIS Thermal stability Thermogravimetric analysis X RADIATION X ray microtomography X-RAY DIFFRACTION XRD
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