The effects of water absorption and salt fog exposure on agglomerated cork compressive response

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dc.contributor.author Sergi, Claudia
dc.contributor.author Sarasini, Fabrizio
dc.contributor.author Fiori, Vincenzo
dc.contributor.author Barbero Pozuelo, Enrique
dc.contributor.author Sánchez Sáez, Sonia
dc.contributor.author Tirillò, Jacopo
dc.date.accessioned 2022-04-01T12:07:44Z
dc.date.issued 2022-02-01
dc.identifier.bibliographicCitation European Journal of Wood and Wood Products, (2022), 80(1), pp.: 101–114.
dc.identifier.issn 0018-3768
dc.identifier.uri http://hdl.handle.net/10016/34508
dc.description.abstract The replacement of synthetic foams with agglomerated cork in sandwich composites can meet the increasing environmental concerns. Its peculiar morphology and chemical composition lead to outstanding dimensional recovery that endorsed a broad investigation of its compressive behavior. The knowledge of neat material response is fundamental to obtain a reliable design dataset, but it is necessary to consider all the environmental factors (water, moisture and sunlight) that significantly modify material mechanical properties. In view of this, the present work investigates the effect of distilled and seawater absorption and salt fog exposure on the compressive behavior of two agglomerated corks with different densities to simulate their potential employment in marine environment. The results were suitably compared with the ones of a traditional PVC foam used as benchmark. A dependence of water uptake and diffusivity on cork density and water type was detected. The less dense cork displayed a water uptake between 36.7 and 46.5% higher than the denser cork, and seawater uptake was between 21.8 and 44.4% lower than distilled water one. Concerning the compressive response, water and fog moisture plasticizing effect in wet conditions and a partial healing after drying due to salt crystal deposits were identified. Water plasticizing effect determined a reduction in the compressive modulus between 35.1 and 37.9% for the lighter cork and between 17.7 and 21% for the denser cork whereas fog moisture induced a reduction between 52 and 74% for the lighter cork and between 24 and 76.1% for the denser one.
dc.description.sponsorship Part of this work was implemented within the co-creation experiment at Sapienza Università di Roma in the framework of the H2020 project FIT4RRI, G.A. n. 741477. This project received funding from the European Union’s Horizon 2020 research and innovation program under Grant Agreement No. 741477. The APC was funded by the project FIT4RRI.
dc.format.extent 13
dc.language.iso eng
dc.publisher Springer
dc.rights © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2021.
dc.subject.other Agglomerated cork
dc.subject.other Polymer composites
dc.subject.other Sandwich structures
dc.subject.other Water absorption
dc.subject.other Salt fog exposure
dc.subject.other Mechanical properties
dc.title The effects of water absorption and salt fog exposure on agglomerated cork compressive response
dc.type article
dc.description.status Publicado
dc.subject.eciencia Materiales
dc.identifier.doi https://doi.org/10.1007/s00107-021-01754-7
dc.rights.accessRights embargoedAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/741477/FIT4RRI
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 101
dc.identifier.publicationissue 1
dc.identifier.publicationlastpage 114
dc.identifier.publicationtitle European Journal of Wood and Wood Products
dc.identifier.publicationvolume 80
dc.identifier.uxxi AR/0000028991
carlosiii.embargo.liftdate 2023-02-01
carlosiii.embargo.terms 2023-02-01
dc.contributor.funder European Commission
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