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HAL-UPMC
Article . 2013
Data sources: HAL-UPMC
Cement and Concrete Research
Article . 2013 . Peer-reviewed
Data sources: Crossref
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Mechanical properties and compositional heterogeneities of fresh geopolymer pastes

Authors: Aurélie Favier; J.-B. d’Espinose de Lacaillerie; J.-B. d’Espinose de Lacaillerie; Nicolas Roussel; Guillaume Habert; Guillaume Habert;

Mechanical properties and compositional heterogeneities of fresh geopolymer pastes

Abstract

Abstract This work explains the elastic properties of the reactive suspensions of metakaolin in sodium silicate solutions immediately after mixing. The flow properties of the interstitial fluid were obtained by mimicking it with synthetic aluminosilicate gels of different Si/Al molar ratios. By comparing these results with the rheological properties of fresh geopolymer pastes and with the ones of unreactive suspensions, we showed that the early age mechanical properties of geopolymer mixes cannot be explained by the colloidal interactions between metakaolin grains but rather by the formation of a gel with a molar ratio Si/Al

Country
France
Keywords

FLY-ASH, Alkalis, SODIUM-SILICATE, CHEMICAL-COMPOSITION, [PHYS] Physics [physics], ALUMINOSILICATE GELS, PHYSICAL-CHEMISTRY, [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat], [PHYS]Physics [physics], ALKALINE ACTIVATION, [ PHYS ] Physics [physics], INORGANIC POLYMERS, ENERGY EFFICIENCY, CEMENT INDUSTRY, NMR, [PHYS.COND.CM-SCM] Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft], Elastic Moduli, [ PHYS.COND.CM-SCM ] Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft], Rheology, [PHYS.COND.CM-SCM]Physics [physics]/Condensed Matter [cond-mat]/Soft Condensed Matter [cond-mat.soft], [ PHYS.COND ] Physics [physics]/Condensed Matter [cond-mat], Metakaolin, PORTLAND-CEMENT, [PHYS.COND] Physics [physics]/Condensed Matter [cond-mat]

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
109
Top 1%
Top 10%
Top 10%
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