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Soft porous silicone rubbers with ultra-low sound speeds in acoustic metamaterials
| dc.relation.isnodouble | 306e2e4c-9f62-4d2b-826b-50034338d454 | * |
| dc.contributor.author | BA, Abdoulaye | |
| hal.structure.identifier | Centre de Recherche Paul Pascal [CRPP] | |
| dc.contributor.author | KOVALENKO, Artem | |
| hal.structure.identifier | Laboratoire de Mécanique Physique [LMP] | |
| dc.contributor.author | ARISTÉGUI, Christophe | |
| hal.structure.identifier | Centre de Recherche Paul Pascal [CRPP] | |
| dc.contributor.author | MONDAIN-MONVAL, Olivier
IDREF: 084112654 | |
| dc.contributor.author | BRUNET, Thomas | |
| dc.date.accessioned | 2021-05-14T09:33:53Z | |
| dc.date.available | 2021-05-14T09:33:53Z | |
| dc.date.issued | 2017-03 | |
| dc.identifier.issn | 2045-2322 | |
| dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/76086 | |
| dc.description.abstractEn | Soft 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.sponsorship | Advanced Materials by Design - ANR-10-LABX-0042 | |
| dc.description.sponsorship | Initiative d'excellence de l'Université de Bordeaux - ANR-10-IDEX-0003 | |
| dc.language.iso | en | |
| dc.publisher | Nature Publishing Group | |
| dc.rights.uri | http://creativecommons.org/licenses/by/ | |
| dc.title.en | Soft porous silicone rubbers with ultra-low sound speeds in acoustic metamaterials | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1038/srep40106 | |
| dc.subject.hal | Physique [physics] | |
| bordeaux.journal | Scientific Reports | |
| bordeaux.page | 1-6 | |
| bordeaux.volume | 7 | |
| bordeaux.hal.laboratories | Institut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295 | * |
| bordeaux.issue | 1 | |
| bordeaux.institution | Université de Bordeaux | |
| bordeaux.institution | Bordeaux INP | |
| bordeaux.institution | CNRS | |
| bordeaux.institution | INRAE | |
| bordeaux.institution | Arts et Métiers | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-02901486 | |
| hal.version | 1 | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-02901486v1 | |
| bordeaux.COinS | ctx_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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