Growth of C-S-H phases on different metallic surfaces

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dc.date.accessioned2022-04-27T14:01:08Z
dc.date.available2022-04-27T14:01:08Z
dc.date.issued2022-02-21
dc.description.sponsorshipGefördert im Rahmen des Projekts DEALger
dc.identifierdoi:10.17170/kobra-202204276102
dc.identifier.urihttp://hdl.handle.net/123456789/13792
dc.language.isoengeng
dc.relation.doidoi:10.1111/jmi.13089
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectfibre/matrix bondeng
dc.subjectmicrostructureeng
dc.subjectreinforcementeng
dc.subjectultra-high performance concreteeng
dc.subject.ddc660
dc.subject.swdFaserger
dc.subject.swdVerbundverhaltenger
dc.subject.swdMikrostrukturger
dc.subject.swdFaserverstärkungger
dc.subject.swdUltrahochfester Betonger
dc.subject.swdMetalloberflächeger
dc.titleGrowth of C-S-H phases on different metallic surfaceseng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractThe influence of reinforcement, especially fibre reinforcement in ultra-high performance concrete is strongly dependent on the bonding (adhesive, shear and friction bond) between metallic surface and cementitious matrix. As usually straight fibres are used for fibre reinforcement and, thus, no significant mechanical bonding is existent, the adhesive bond is particularly important. Previous studies stated that the adhesive bonding behaviour between metallic materials and cementitious matrix strongly depends on the chemical composition of metallic alloys. Therefore, in order to address this topic, the present study investigates the growth of C-S-H phases on stainless steel and on cold drawn steel. This growth process was realised by a surface treatment of the metallic alloys using a synthetically manufactured Tricalciumsilicate (C₃S) powder diluted in water. After defined times of the C₃S treatment the process is stopped to get a time dependent growing behaviour of the cementitious phases. Light microscopy as well as scanning electron microscopy was used in order to investigate the surfaces following the application of the C₃S. The results reveal that the growth of C-S-H phases is more dependent on the metallic surface and its topography than on the alloy composition.eng
dcterms.accessRightsopen access
dcterms.creatorSchleiting, Maximilian
dcterms.creatorWetzel, Alexander
dcterms.creatorGöbel, Daniela
dcterms.creatorKrooß, Philipp
dcterms.creatorFrenck, Johanna-Maria
dcterms.creatorNiendorf, Thomas
dcterms.creatorMiddendorf, Bernhard
dcterms.source.identifiereissn:1365-2818
dcterms.source.issueIssue 2
dcterms.source.journalJournal of Microscopyeng
dcterms.source.pageinfo148-153
dcterms.source.volumeVolume 286
kup.iskupfalse

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