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Study of the behaviour of adhesive joints of steel with CFRP for its application in bus structures

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dc.affiliation.areaUC3M. Área de Ingeniería Mecánicaes
dc.affiliation.dptoUC3M. Departamento de Ingeniería Mecánicaes
dc.affiliation.dptoUC3M. Departamento de Ciencia e Ingeniería de Materiales e Ingeniería Químicaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: MECATRAN: Mecánica Experimental, Cálculo y Transporteses
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Comportamiento en Servicio de Materialeses
dc.contributor.authorGálvez Villarino, Pedro
dc.contributor.authorQuesada González, Alejandro
dc.contributor.authorMartínez Casanova, Miguel Ángel
dc.contributor.authorAbenojar Buendía, Juana
dc.contributor.authorLópez Boada, María Jesús
dc.contributor.authorDíaz López, Vicente
dc.date.accessioned2017-09-27T09:53:30Z
dc.date.available2017-09-27T09:53:30Z
dc.date.issued2017-11-15
dc.description.abstractIn recent years, the use of adhesives in structural applications is growing, achieving a great current implementation in the industry, due to the benefits that this technology is capable of providing to complex-shaped structures, both in aerospace and automotive applications. Adhesive joints show many advantages in comparison with other traditional joints such as welded joints, because they offer a continuous joint with homogeneous stress distribution, they are able to joint dissimilar materials (such metals and composite materials) and they do not require large investments. Current bus steel structures present fatigue problems due to the rigidity of the commonly used welded joints. Crack problems due to fatigue are evident in the areas of the bus structure closest to the rear door, being the joint between the side vertical pillars and the waist rail the most critical. A finite element model (FEM) of a bus steel structure is developed, in order to obtain the forces that work on the reference node. From the obtained force values, the value and type of stress at the reference node are calculated. A new carbon fiber reinforced polymer (CFRP) node is developed, replacing the existing welded joint by steel-CFRP adhesive joint. The new node design allows to obtain mainly shear stress. Because of that, single lap joint specimens are developed to carry out the experimental procedure. This work is focused on the study of a structural adhesive for its application in this new type of joint taking also into consideration manufacturing criteria (mounting periods, costs, etc.). This new adhesive joint shows strength values an order of magnitude higher than the requests at the node, and higher than 30% of strain values, minimizing fatigue problems.es
dc.description.sponsorshipThis research was supported by Ministerio de Economía y Competitividad, Spain, under grants TRA2014-56471-C4-1-R and TRA2014-56471-C4-2-R. The authors gratefully acknowledge the collaboration of Castrosua S. A. who provided with the CAD information and let making tests over a manufacturing specimen and Sika S.A.U. España for supplying the adhesiveses
dc.format.extent6es
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationComposites. Part B, Engineering, 129 (2017), pp. 41-46es
dc.identifier.doi10.1016/j.compositesb.2017.07.018
dc.identifier.issn1359-8368
dc.identifier.publicationfirstpage41es
dc.identifier.publicationlastpage46es
dc.identifier.publicationtitleComposites. Part B, Engineeringes
dc.identifier.publicationvolume129es
dc.identifier.urihttps://hdl.handle.net/10016/25348
dc.identifier.uxxiAR/0000020349
dc.language.isoenges
dc.publisherElsevier Ltd.es
dc.relation.projectIDGobierno de España. TRA2014-56471-C4-1-Res
dc.relation.projectIDGobierno de España. TRA2014-56471-C4-2-Res
dc.relation.publisherversionhttps://doi.org/10.1016/j.compositesb.2017.07.018es
dc.rights© 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND licensees
dc.rights.accessRightsopen accesses
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.ecienciaMaterialeses
dc.subject.ecienciaIngeniería Mecánicaes
dc.subject.otherAdhesiones
dc.subject.otherMechanical testinges
dc.subject.otherSurface treatmentses
dc.subject.otherJoints/Joininges
dc.subject.otherMulti-material dissimilar materialses
dc.subject.otherMulti-materialses
dc.subject.otherAdhesive structural jointses
dc.subject.otherSteel-CFRP jointses
dc.subject.otherBuseses
dc.titleStudy of the behaviour of adhesive joints of steel with CFRP for its application in bus structureses
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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