Publication:
Multi-impact mechanical behaviour of short fibre reinforced composites

dc.affiliation.dptoUC3M. Departamento de Mecánica de Medios Continuos y Teoría de Estructurases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Dinámica y Fractura de Elementos Estructuraleses
dc.contributor.authorGarzón Hernández, Sara
dc.contributor.authorGarcía González, Daniel
dc.contributor.authorArias Hernández, Ángel
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2021-04-22T09:48:47Z
dc.date.available2021-04-22T09:48:47Z
dc.date.issued2018-10-15
dc.description.abstractHigh velocity transverse impact on reinforced composites is a matter of interest in the automotive, aeronautical and biomedical sectors. Most existing studies have addressed this problem by single isolated impacts; however, this work deals with the distinction between single, sequential and simultaneous impacts on composite structures. This paper proposes an experimental methodology to study the mechanical behaviour of materials under single and multi-impact loadings. The overall objective is to investigate the mechanical response of short carbon fibre reinforced PEEK when is subjected to single and multiple high velocity impacts. Experimental tests are conducted covering impact velocities from 90 m/s to 470 m/s. Energy absorption, damage extension and failure mechanisms are compared to assess additive and cumulative effects in high velocity impact scenarios. Experimental results show that the specific deformation and fracture mechanisms observed during multi-hitting events change with impact velocity. Compared to the behaviour of unreinforced thermoplastics, short fibre reinforced composites present significant limitations at velocities close to the ballistic limit, but multi-hit capability is observed at high impact velocity when the damage is mainly local. As key conclusion, the ballistic limit obtained in single impact test cannot be extrapolated to sequential and simultaneous tests. Multi-impact tests, especially close to the ballistic limit, are necessary to guarantee the structural integrity of composite structures in realistic impact scenarios.en
dc.description.sponsorshipThe researchers are indebted to Ministerio de Economía y Competitividad de España (Project DPI2014-57989-P) and Vicerrectorado de Política Científica UC3M (Project 2013-00219-002) for financial support.en
dc.format.extent12
dc.identifier.bibliographicCitationGarzon-Hernandez S., Garcia-Gonzalez D. & Arias A. (2018). Multi-impact mechanical behaviour of short fibre reinforced composites. Composite Structures, vol. 202, pp. 241-252.en
dc.identifier.doihttps://doi.org/10.1016/j.compstruct.2018.01.070
dc.identifier.issn0263-8223
dc.identifier.publicationfirstpage241
dc.identifier.publicationlastpage252
dc.identifier.publicationtitleComposite Structuresen
dc.identifier.publicationvolume202
dc.identifier.urihttps://hdl.handle.net/10016/32455
dc.identifier.uxxiAR/0000022014
dc.language.isoeng
dc.publisherElsevieren
dc.relation.projectIDGobierno de España. DPI2014-57989-Pes
dc.rights© 2018 Elsevier Ltd.en
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.ecienciaIngeniería Mecánicaes
dc.subject.otherMulti-impacten
dc.subject.otherShort fibre reinforced thermoplasticsen
dc.subject.otherPEEK compositesen
dc.subject.otherPerforationen
dc.subject.otherBrittle failureen
dc.subject.otherHigh velocity impacten
dc.subject.otherPolyether-ether-ketoneen
dc.titleMulti-impact mechanical behaviour of short fibre reinforced compositesen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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