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Effect of temperature on the low-velocity impact response of environmentally friendly cork sandwich structures

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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.authorSergi, Claudia
dc.contributor.authorSarasini, Fabrizio
dc.contributor.authorRusso, Pietro
dc.contributor.authorVitiello, Libera
dc.contributor.authorBarbero Pozuelo, Enrique
dc.contributor.authorSánchez Sáez, Sonia
dc.contributor.authorTirillò, Jacopo
dc.date.accessioned2022-04-01T14:37:01Z
dc.date.available2022-04-01T14:37:01Z
dc.date.issued2022-02-01
dc.description.abstractImpact events are common in every-day life and can severely compromise the integrity and reliability of high-performing structures such as sandwich composites that are widespread in different industrial fields. Considering their susceptibility to impact damage and the environmental issues connected with their exploitation of synthetic materials, the present work aims to propose a bio-based sandwich structure with an agglomerated cork core and a flax/basalt intraply fabric as skin reinforcement and to address its main weakness, i.e. its impact response. In-service properties are influenced by temperature, therefore the effect of high (60 °C) and low (−40°C) temperatures on the impact behavior of the proposed structures was investigated and a suitable comparison with traditional (polyvinyl chloride) (PVC) foams was provided. The results highlighted the embrittlement effect of decreasing temperature on the impact resistance of the sole cores and skins and of the overall structures with a reduction in the perforation energy that shifted, in the last case, from 50–60 J at – 40 °C up to more than 180 J at 60 °C. A maleic anhydride coupling agent in the skins hindered fundamental energy dissipation mechanisms such as matrix plasticization, determining a reduction in the perforation threshold of all composites. In particular, neat polypropylene (PP) skins displayed a perforation energy of 20 J higher than compatibilized (PPC) ones at 60 °C, while agglomerated cork sandwich structures at 60 °C were characterized by a perforation threshold higher of at least 50 J.en
dc.description.statusPublicadoes
dc.format.extent22
dc.identifier.bibliographicCitationJournal of Sandwich Structures and Materials, (2022), 24(2), pp.: 1099–1121.en
dc.identifier.doihttps://doi.org/10.1177%2F10996362211035421
dc.identifier.issn1099-6362
dc.identifier.publicationfirstpage1099
dc.identifier.publicationissue2
dc.identifier.publicationlastpage1121
dc.identifier.publicationtitleJOURNAL OF SANDWICH STRUCTURES & MATERIALSen
dc.identifier.publicationvolume24
dc.identifier.urihttps://hdl.handle.net/10016/34512
dc.identifier.uxxiAR/0000028992
dc.language.isoengen
dc.publisherSAGEen
dc.rights© The Author(s) 2021.en
dc.rights.accessRightsopen accessen
dc.subject.ecienciaMaterialeses
dc.subject.otherAgglomerated corken
dc.subject.otherPVC foamen
dc.subject.otherSandwich structuresen
dc.subject.otherBasalten
dc.subject.otherFlaxen
dc.subject.otherLow velocity impacten
dc.subject.otherTemperatureen
dc.titleEffect of temperature on the low-velocity impact response of environmentally friendly cork sandwich structuresen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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