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dc.contributor.authorLopez-Crespo, Pablo 
dc.contributor.authorMoreno-Morales, Maria Belen 
dc.contributor.authorLopez-Moreno, A
dc.contributor.authorGarcia-Gonzalez, A
dc.contributor.authorZapatero, J. 
dc.date.accessioned2014-11-10T09:03:50Z
dc.date.available2014-11-10T09:03:50Z
dc.date.created2014-11-09
dc.date.issued2014-09-17
dc.identifier.citationP. Lopez-Crespo et alii, Frattura ed Integrità Strutturale, 30 (2014) qq-rr; DOI: 10.3221/IGF-ESIS.30.uues_ES
dc.identifier.urihttp://hdl.handle.net/10630/8387
dc.description.abstractIn this paper a methodology for evaluating crack initiation under biaxial conditions is presented. The methodology consists of evaluating the crack length automatically with digital processing of highmagnification images of the crack. The methodology was applied to study five different strain conditions on a low carbon ferritic-pearlitic steel specimen with tubular shape. A hole of 150 μm diameter was drilled to enforce the crack to initiate at a particular spot. Different combinations of axial and torsional strains were analysed during the initiation stage of the crack. The setup employed allowed detection of the crack to within 6 μm from the edge of the hole on average and monitoring of the crack during early stages. Fatigue crack propagation curves clearly showed oscillations due to microstructure. It was also observed that these oscillations decreased as the torsional component of the strain was increased.es_ES
dc.description.sponsorshipUniversidad de Málaga. Campus de Excelencia Internacional Andalucía Tech. Junta de Andalucía through Proyectos de Excelencia grant reference TEP-3244 and of Spanish Ministerio de Economía y Competitividad through grant reference DPI2012-33382es_ES
dc.language.isoenges_ES
dc.publisherIGFes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.subjectMateriales - Fatigaes_ES
dc.subject.otherBiaxial fatiguees_ES
dc.subject.otherProportional loadinges_ES
dc.subject.otherFatigue crack growthes_ES
dc.subject.otherCrack initiationes_ES
dc.titleStudy of short cracks under biaxial fatiguees_ES
dc.typeinfo:eu-repo/semantics/conferenceObjectes_ES
dc.centroEscuela Politécnica Superiores_ES
dc.relation.eventtitleThe First Multi-Lateral Workshop on “Fracture and Structural Integrity related Issues”es_ES
dc.relation.eventplaceCatania, Italiaes_ES
dc.relation.eventdate15/09/2014es_ES


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