Influence of Anticorrosive Surface Treatment of Steel Reinforcement Fibers on the Properties of Ultra-High Performance Cement Composite

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dc.contributor.authorBocian, Lubošcs
dc.contributor.authorNovotný, Radoslavcs
dc.contributor.authorŠoukal, Františekcs
dc.contributor.authorPalovčík, Jakubcs
dc.contributor.authorBřezina, Matějcs
dc.contributor.authorKoplík, Jancs
dc.coverage.issue23cs
dc.coverage.volume15cs
dc.date.issued2022-11-25cs
dc.description.abstractThe influence on the bond between the steel fiber and the matrix of the anticorrosive treatments of steel used for concrete reinforcement is not yet fully understood. The topic of steel fiber treatment was not also studied clearly in terms of brass removal before. This paper deals with how the brass on the surface of steel fibers behaves in the UHPC matrix and how it affects its properties. The steel fibers were firstly modified with a number of surface treatments to remove brass on their surface. Some of the treatments have never been tried before for this purpose. Secondly, the surface of the fibers was analyzed by SEM, EDS, XRF, and stereomicroscopy. Lastly, the properties of the composites were analyzed. It was found out that the majority of brass on the surface of the fibers could be removed by mixture of NH3 and H2O2 with a ratio of 3:1 (v/v). It was also found out that the surface treatment slightly affects the mechanical properties, but it does that only by mechanical interlocking between the fiber and the matrix. No dissolution of the surface treatment was observed under the given conditions. According to the results, steel fibers without surface treatment should be used in UHPC if available.en
dc.formattextcs
dc.format.extent1-16cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationMaterials . 2022, vol. 15, issue 23, p. 1-16.en
dc.identifier.doi10.3390/ma15238401cs
dc.identifier.issn1996-1944cs
dc.identifier.orcid0000-0003-4191-4645cs
dc.identifier.orcid0000-0002-1809-5875cs
dc.identifier.orcid0000-0002-0234-3467cs
dc.identifier.orcid0000-0001-6070-573Xcs
dc.identifier.orcid0000-0003-4252-696Xcs
dc.identifier.orcid0000-0002-4219-4267cs
dc.identifier.other180494cs
dc.identifier.researcheridAAY-4689-2020cs
dc.identifier.researcheridQ-2440-2015cs
dc.identifier.researcheridAAE-1012-2020cs
dc.identifier.scopus57188564285cs
dc.identifier.scopus57201179935cs
dc.identifier.scopus25621490100cs
dc.identifier.urihttp://hdl.handle.net/11012/208727
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofMaterialscs
dc.relation.urihttps://www.mdpi.com/1996-1944/15/23/8401cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/1996-1944/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectultra-high-performance concreteen
dc.subjectreactive powder concreteen
dc.subjectflexural strengthen
dc.subjectcompressive strengthen
dc.subjectbrassen
dc.titleInfluence of Anticorrosive Surface Treatment of Steel Reinforcement Fibers on the Properties of Ultra-High Performance Cement Compositeen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-180494en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:38:25en
sync.item.modts2025.01.17 15:23:32en
thesis.grantorVysoké učení technické v Brně. Fakulta chemická. Ústav chemie materiálůcs
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