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dc.relation.isnodouble306e2e4c-9f62-4d2b-826b-50034338d454*
dc.contributor.authorBA, Abdoulaye
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorKOVALENKO, Artem
hal.structure.identifierLaboratoire de Mécanique Physique [LMP]
dc.contributor.authorARISTÉGUI, Christophe
hal.structure.identifierCentre de Recherche Paul Pascal [CRPP]
dc.contributor.authorMONDAIN-MONVAL, Olivier
IDREF: 084112654
dc.contributor.authorBRUNET, Thomas
dc.date.accessioned2021-05-14T09:33:53Z
dc.date.available2021-05-14T09:33:53Z
dc.date.issued2017-03
dc.identifier.issn2045-2322
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/76086
dc.description.abstractEnSoft porous silicone rubbers are demonstrated to exhibit extremely low sound speeds of tens of m/s for these dense materials, even for low porosities of the order of a few percent. Our ultrasonic experiments show a sudden drop of the longitudinal sound speed with the porosity, while the transverse sound speed remains constant. For such porous elastomeric materials, we propose simple analytical expressions for these two sound speeds, derived in the framework of Kuster and Toksöz, revealing an excellent agreement between the theoretical predictions and the experimental results for both longitudinal and shear waves. Acoustic attenuation measurements also complete the characterization of these soft porous materials.
dc.description.sponsorshipAdvanced Materials by Design - ANR-10-LABX-0042
dc.description.sponsorshipInitiative d'excellence de l'Université de Bordeaux - ANR-10-IDEX-0003
dc.language.isoen
dc.publisherNature Publishing Group
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.title.enSoft porous silicone rubbers with ultra-low sound speeds in acoustic metamaterials
dc.typeArticle de revue
dc.identifier.doi10.1038/srep40106
dc.subject.halPhysique [physics]
bordeaux.journalScientific Reports
bordeaux.page1-6
bordeaux.volume7
bordeaux.hal.laboratoriesInstitut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295*
bordeaux.issue1
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.institutionINRAE
bordeaux.institutionArts et Métiers
bordeaux.peerReviewedoui
hal.identifierhal-02901486
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02901486v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Scientific%20Reports&rft.date=2017-03&rft.volume=7&rft.issue=1&rft.spage=1-6&rft.epage=1-6&rft.eissn=2045-2322&rft.issn=2045-2322&rft.au=BA,%20Abdoulaye&KOVALENKO,%20Artem&ARIST%C3%89GUI,%20Christophe&MONDAIN-MONVAL,%20Olivier&BRUNET,%20Thomas&rft.genre=article


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