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Influence of deep rolling at different temperatures on near-surface and mechanical properties of a Maraging C250 steel

dc.date.accessioned2024-05-27T13:02:03Z
dc.date.available2024-05-27T13:02:03Z
dc.date.issued2024-04-27
dc.identifierdoi:10.17170/kobra-2024052310190
dc.identifier.urihttp://hdl.handle.net/123456789/15783
dc.description.sponsorshipGefördert im Rahmen des Projekts DEALger
dc.language.isoeng
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectmaraging steeleng
dc.subjectdeep rollingeng
dc.subjectnear-surface propertieseng
dc.subjectresidual stresseng
dc.subjectfatigue behavioreng
dc.subject.ddc620
dc.titleInfluence of deep rolling at different temperatures on near-surface and mechanical properties of a Maraging C250 steeleng
dc.typeAufsatz
dcterms.abstractDue to an outstanding combination of high strength and fracture toughness Maraging steels are used in numerous industries, e.g., in the aerospace sector. The high strength can be attributed to precipitation strengthening by conventional age-hardening heat treatments. However, as many of the envisaged applications will suffer from cyclic loadings, the fatigue properties are of significant interest in terms of a reliable use. Generally, Maraging steels are characterized by a relatively low fatigue strength limiting the use in certain applications. In this context, mechanical surface treatment processes are promising candidates to overcome these challenges. In particular, deep rolling represents a suitable process, as it is known for increased depth effects as well as smoother surface profiles compared to other mechanical surface treatment processes. Moreover, aging heat treatments can easily be implemented into the process. Accordingly, the present study focuses on near-surface and mechanical properties of a Maraging C250 steel after deep rolling. Characterization of the near-surface area was conducted by X-ray diffraction and hardness measurements. Mechanical properties were assessed by tensile and fatigue tests. The results presented reveal a great potential of the integration of an aging heat treatment into the deep rolling process eventually leading to significant process time reduction.eng
dcterms.accessRightsopen access
dcterms.creatorWegener, Thomas
dcterms.creatorOevermann, Torben
dcterms.creatorNiendorf, Thomas
dc.relation.doidoi:10.1016/j.ijfatigue.2024.108358
dc.subject.swdMartensitaushärtender Stahlger
dc.subject.swdFestwalzenger
dc.subject.swdOberflächeneigenschaftger
dc.subject.swdEigenspannungger
dc.subject.swdMaterialermüdungger
dc.subject.swdMechanische Eigenschaftger
dc.type.versionpublishedVersion
dcterms.source.identifiereissn:1879-3452
dcterms.source.journalInternational Journal of Fatigueeng
dcterms.source.volumeVolume 185
kup.iskupfalse
dcterms.source.articlenumber108358


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