Microstructural and super(29)Si MAS NMR spectroscopic evaluations of alkali cationic effects on fly ash activation

The influence of alkali cation (M = Na or K) on the geopolymerization of fly ash is evaluated. NaOH, KOH (4 M and 8 M), or Na/K silicates (SiO sub(2)/M sub(2)O = 2.0) are used as the activators. Na-activated systems demonstrate higher strengths than the K-based ones after thermal activation, with th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Veröffentlicht in:	Cement & concrete composites 2015-03, Vol.57, p.34-43
Hauptverfasser:	Peng, Zihui, Vance, Kirk, Dakhane, Akash, Marzke, Robert, Neithalath, Narayanan
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation Cationic Cations Cements Compressive strength Fly ash Porosity Silicates
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!