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Thermomechanical evaluation of self-flowing refractory castables with and without the addition of aluminate cement

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dc.contributor.authorPinto, Deesy G.
dc.contributor.authorSilva, Abílio P.
dc.contributor.authorSegadães, A M
dc.contributor.authorDevezas, Tessaleno
dc.date.accessioned2022-12-05T10:45:21Z
dc.date.available2022-12-05T10:45:21Z
dc.date.issued2012
dc.description.abstractMuch has been discussed about the advantages regarding the thermomechanical performance of self-flow refractory castables (SFRC), with very little or no addition of calcium aluminate cement (CAC) when compared to conventional composites with cement. Previous works demonstrated that a 100% alumina SFRC with optimized particle size distribution simultaneously results in high-flowability fresh paste and high mechanical strength. In this work, the thermomechanical behaviour of zero-cement ceramic matrix is compared to that of the equivalent composite with 1% CAC content. The results show that the differences in performance can be related to differences in hydration mechanisms, namely the formation sequence of calcium aluminate hydrates, which results in increased open porosity. With lower dried strength, the all-alumina castable presents lower porosity, higher mechanical strength and uncompromised thermal shock resistance, being a valuable option when fast drying or rough green handling can be avoided.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.ceramint.2011.12.062pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/12441
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationDesenvolvimento de um betão refratário auto-escoante sem cimento para revestimentos monolíticos [PTDC/CTM/66302/2006]
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectC. Thermal propertiespt_PT
dc.subjectE. Refractoriespt_PT
dc.titleThermomechanical evaluation of self-flowing refractory castables with and without the addition of aluminate cementpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleDesenvolvimento de um betão refratário auto-escoante sem cimento para revestimentos monolíticos [PTDC/CTM/66302/2006]
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FCTM%2F66302%2F2006/PT
oaire.citation.endPage3488pt_PT
oaire.citation.issue4pt_PT
oaire.citation.startPage3483pt_PT
oaire.citation.titleCeramics Internationalpt_PT
oaire.citation.volume38pt_PT
oaire.fundingStream5876-PPCDTI
person.familyNamePinto
person.familyNameSilva
person.familyNameSegadães
person.familyNameDevezas
person.givenNameDeesy
person.givenNameAbilio
person.givenNameAna Maria
person.givenNameTessaleno
person.identifier.ciencia-idF014-D3E5-5C2E
person.identifier.ciencia-idD314-9C94-0B0F
person.identifier.ciencia-idF21F-31FB-D0F3
person.identifier.ciencia-id2F16-EE48-E318
person.identifier.orcid0000-0003-2218-1343
person.identifier.orcid0000-0002-2100-7223
person.identifier.orcid0000-0001-6465-620X
person.identifier.orcid0000-0002-7993-4919
person.identifier.ridL-3270-2013
person.identifier.ridO-1474-2013
person.identifier.ridE-4499-2013
person.identifier.ridF-7479-2016
person.identifier.scopus-author-id35362905700
person.identifier.scopus-author-id8540933900
person.identifier.scopus-author-id56429804700
person.identifier.scopus-author-id6602800227
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication1ffb6a25-e039-4329-a055-b383bbad3c8c
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ICI - C-MAST | Documentos por Auto-Depósito
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