Recent advances in additive manufacturing (AM) of viscoelastic materials have paved the way toward the design of increasingly complex structures. In particular, emerging biomedical applications in acoustics involve structures with periodic micro-architectures, which require a precise knowledge of longitudinal and transverse bulk properties of the constituent materials. However, the identification of the transverse properties of highly soft and attenuating materials remains particularly challenging. Thereby, the present work provides a methodological framework to identify the frequency-dependent ultrasound characteristics (i.e., phase velocity and attenuation) of viscoelastic materials. The proposed approach relies on an inverse procedure based on angular measurements achieved in double through-transmission, referred as θ-scan. Toward this goal, a forward modeling of the double transmitted waves through a homogeneous solid is proposed for any incidence angle based on the global matrix formalism. The experimental validation is conducted by performing ultrasound measurements on two types of photopolymers that are commonly employed for AM purposes: a soft elastomer (ElasticoTM Black) and a glassy polymer (VeroUltraTM White). As a result, the inferred dispersive ultrasound characteristics are of interest for the computational calibration and validation of models involving complex multi-material structures in the MHz regime.
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July 2024
July 16 2024
Identification of viscoelastic material properties by ultrasonic angular measurements in double through-transmission Available to Purchase
Anne-Sophie Poudrel;
Anne-Sophie Poudrel
1
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux, PIMM, Arts et Métiers ParisTech
, UMR 8006, CNRS, CNAM, HESAM université, 151 boulevard de l’hôpital, 75013 Paris, France
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Max Gattin;
Max Gattin
2
Univ Paris Est Creteil, Univ Gustave Eiffel
, CNRS, UMR 8208, MSME, F-94010 Créteil, France
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Giuseppe Rosi
;
Giuseppe Rosi
2
Univ Paris Est Creteil, Univ Gustave Eiffel
, CNRS, UMR 8208, MSME, F-94010 Créteil, France
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Marc Rébillat;
Marc Rébillat
1
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux, PIMM, Arts et Métiers ParisTech
, UMR 8006, CNRS, CNAM, HESAM université, 151 boulevard de l’hôpital, 75013 Paris, France
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Jorge Peixinho
;
Jorge Peixinho
1
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux, PIMM, Arts et Métiers ParisTech
, UMR 8006, CNRS, CNAM, HESAM université, 151 boulevard de l’hôpital, 75013 Paris, France
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Nicolas Bochud
;
Nicolas Bochud
2
Univ Paris Est Creteil, Univ Gustave Eiffel
, CNRS, UMR 8208, MSME, F-94010 Créteil, France
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Pierre Margerit
Pierre Margerit
a)
1
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux, PIMM, Arts et Métiers ParisTech
, UMR 8006, CNRS, CNAM, HESAM université, 151 boulevard de l’hôpital, 75013 Paris, France
Search for other works by this author on:
Anne-Sophie Poudrel
1
Max Gattin
2
Giuseppe Rosi
2
Marc Rébillat
1
Jorge Peixinho
1
Nicolas Bochud
2
Pierre Margerit
1,a)
1
Laboratoire Procédés et Ingénierie en Mécanique et Matériaux, PIMM, Arts et Métiers ParisTech
, UMR 8006, CNRS, CNAM, HESAM université, 151 boulevard de l’hôpital, 75013 Paris, France
2
Univ Paris Est Creteil, Univ Gustave Eiffel
, CNRS, UMR 8208, MSME, F-94010 Créteil, France
a)
Email: [email protected]
J. Acoust. Soc. Am. 156, 463–474 (2024)
Article history
Received:
February 07 2024
Accepted:
June 18 2024
Citation
Anne-Sophie Poudrel, Max Gattin, Giuseppe Rosi, Marc Rébillat, Jorge Peixinho, Nicolas Bochud, Pierre Margerit; Identification of viscoelastic material properties by ultrasonic angular measurements in double through-transmission. J. Acoust. Soc. Am. 1 July 2024; 156 (1): 463–474. https://doi.org/10.1121/10.0026518
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