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Determination of the dynamic stress intensity factor of a specimen under one-point bending from the measurement of the load-point displacement

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dc.affiliation.dptoUC3M. Departamento de Mecánica de Medios Continuos y Teoría de Estructurases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Mecánica de Materiales Avanzadoses
dc.contributor.authorLoya Lorenzo, José Antonioes
dc.contributor.authorVilla, Ignacioes
dc.contributor.authorFernández Sáez, Josées
dc.contributor.authorNavarro Ugena, Carloses
dc.date.accessioned2016-01-15T12:16:49Z
dc.date.available2016-01-15T12:16:49Z
dc.date.issued2006-08es
dc.description6 pages.-- Issue title: "EURODYMAT 2006 - 8th International Conference on Mehanical and Physical Behaviour of Materials under Dynamic Loading" (Dijon, France, Sep 11-15, 2006).es
dc.description.abstractThe use of dynamic one-point bending tests as an alternative to three-point bending tests allows fracture properties such as dynamic initiation fracture toughness to be obtained at high strain rate. To perform this kind of test, experimental devices based on modifications of the Hopkinson bar can be used. Several authors have been proposed simplified procedures to obtain the dynamic stress intensity factor, K_I(t), considering the specimen as a Timoshenko cracked beam subjected to a concentrated load at the central cross-section. The disadvantage of this procedure is that normally it is difficult to measure the force applied to the specimen in the above-mentioned tests. Here a simplified method is proposed for the calculation of K_I(t), based on an analysis of the behaviour of a Timoshenko cracked beam, knowing the displacement of the point of loading, which can be measured more accurately than the applied load. The results were compared with those of a finite element numerical simulation and good agreement was found.es
dc.description.statusPublicadoes
dc.format.extent6 p.
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationJournal de Physique IV France, 2006, vol. 134, p. 827-832en
dc.identifier.doi10.1051/jp4:2006134127es
dc.identifier.issn1155-4339es
dc.identifier.publicationfirstpage827
dc.identifier.publicationlastpage832
dc.identifier.publicationtitleJournal de Physique IV Franceen
dc.identifier.publicationvolume134
dc.identifier.urihttps://hdl.handle.net/10016/7531
dc.language.isoenges
dc.publisherEDP Scienceses
dc.relation.eventdate11/15-9-2006
dc.relation.eventnumber8
dc.relation.eventplaceDijon
dc.relation.eventtitleEURODYMAT 2006 - International Conference on Mehanical and Physical Behaviour of Materials under Dynamic Loadingen
dc.relation.publisherversionhttp://dx.doi.org/10.1051/jp4:2006134127es
dc.rights© EDP Scienceses
dc.rights.accessRightsopen accesses
dc.subject.ecienciaIngeniería Mecánicaes
dc.subject.ecienciaIngeniería Industriales
dc.titleDetermination of the dynamic stress intensity factor of a specimen under one-point bending from the measurement of the load-point displacementes
dc.typeresearch article*
dc.type.reviewPeerRevieweden
dspace.entity.typePublication
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