Role of Al in the crystal growth of alkali-activated fly ash and slag under a hydrothermal condition

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dc.contributor.authorBae, S.J.ko
dc.contributor.authorPark, Solmoiko
dc.contributor.authorLee, Haeng-Kiko
dc.date.accessioned2020-01-23T06:20:04Z-
dc.date.available2020-01-23T06:20:04Z-
dc.date.created2019-12-30-
dc.date.created2019-12-30-
dc.date.issued2020-04-
dc.identifier.citationCONSTRUCTION AND BUILDING MATERIALS, v.239, pp.117842-
dc.identifier.issn0950-0618-
dc.identifier.urihttp://hdl.handle.net/10203/271789-
dc.description.abstractThe present study investigates the role of Al in the evolution of the crystalline phases of an alkali-activated binder. Samples were synthesized corresponding to the binder composition with various Al2O3/Na2O and MgO/binder ratios in a hydrothermal condition. Thermodynamic modelling was carried out to predict the effect of the Al content in the binder composition on the formation of Al-bearing phases. The test results showed that an increasing Al content led to the alteration of the predominant zeolite phases in the alkali-activated binder. In addition, MgO incorporation enhanced the reaction degree of hydration in the alkali-activated system and the crystal growth, specifically hydrotalcite-like phase. Consequently, the formed reaction products had a great effect on the pore characteristics of the alkali-activated binder given their variations in the crystal structure.-
dc.languageEnglish-
dc.publisherELSEVIER SCI LTD-
dc.titleRole of Al in the crystal growth of alkali-activated fly ash and slag under a hydrothermal condition-
dc.typeArticle-
dc.identifier.wosid000521514300019-
dc.identifier.scopusid2-s2.0-85076713011-
dc.type.rimsART-
dc.citation.volume239-
dc.citation.beginningpage117842-
dc.citation.publicationnameCONSTRUCTION AND BUILDING MATERIALS-
dc.identifier.doi10.1016/j.conbuildmat.2019.117842-
dc.contributor.localauthorLee, Haeng-Ki-
dc.contributor.nonIdAuthorBae, S.J.-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorAlkali-activated binder-
dc.subject.keywordAuthorHydrothermal condition-
dc.subject.keywordAuthorAl2O3-
dc.subject.keywordAuthorMgO-
dc.subject.keywordAuthorThermodynamic modeling-
dc.subject.keywordAuthorHydrotalcite-
dc.subject.keywordAuthorZeolite-
dc.subject.keywordAuthorCharacterization-
dc.subject.keywordPlusMESOPOROUS GEOPOLYMERS-
dc.subject.keywordPlusPHASE EVOLUTION-
dc.subject.keywordPlusMGO-
dc.subject.keywordPlusZEOLITES-
dc.subject.keywordPlusGEL-
dc.subject.keywordPlusCARBONATION-
dc.subject.keywordPlusADSORPTION-
dc.subject.keywordPlusGMELINITE-
dc.subject.keywordPlusSTRENGTH-
dc.subject.keywordPlusALUMINUM-
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