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The Evolution of Internal Damage Identified by Means of X-ray Computed Tomography in Two Steels and the Ensuing Relation with Gurson’s Numerical Modelling

dc.contributor.authorSuárez-Guerra, Fernando
dc.contributor.authorSket, Federico
dc.contributor.authorGálvez-Ruíz, Jaime Carlos
dc.contributor.authorCendón, David Ángel
dc.contributor.authorAtienza, José Miguel
dc.contributor.authorMolina-Aldareguia, Jon
dc.date.accessioned2025-03-05T09:58:04Z
dc.date.available2025-03-05T09:58:04Z
dc.date.issued2019-03
dc.description.abstractThis paper analyzes the evolution of the internal damage in two types of steel that show different fracture behaviors, with one of them being the initial material used for manufacturing prestressing steel wires, and the other one being a standard steel used in reinforced concrete structures. The first of them shows a flat fracture surface perpendicular to the loading direction while the second one shows the typical cup-cone surface. 3 mm-diameter cylindrical specimens are tested with a tensile test carried out in several loading steps and, after each of them, unloaded and analyzed with X-ray tomography, which allows detection of internal damage throughout the tensile test. In the steel used for reinforcement, damage is developed progressively in the whole specimen, as predicted by Gurson-type models, while in the steel used for manufacturing prestressing steel-wire, damage is developed only in the very last part of the test. In addition to the experimental study, a numerical analysis is carried out by means of the finite element method by using a Gurson model to reproduce the material behavior.
dc.description.sponsorshipThis research was funded by the Spanish Ministry of Economy, Industry and Competitiveness by means of the Research Fund Project BIA 2016 78742-C2-2-R.
dc.identifier.issn2075-4701
dc.identifier.otherhttps://doi.org/10.3390/met9030292
dc.identifier.urihttps://www.mdpi.com/2075-4701/9/3/292
dc.identifier.urihttps://hdl.handle.net/10953/4787
dc.language.isoeng
dc.publisherMDPI
dc.relation.ispartofMetals
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spainen
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectSteel
dc.subjectTensile test
dc.subjectXRCT
dc.subjectDamage evolution
dc.subjectGurson model
dc.subject.udc691.714
dc.titleThe Evolution of Internal Damage Identified by Means of X-ray Computed Tomography in Two Steels and the Ensuing Relation with Gurson’s Numerical Modelling
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion

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