Article (Scientific journals)
Ultrasound characterization of the viscoelastic properties of additively manufactured photopolymer materials
Gattin, Max; Bochud, Nicolas; Rosi, Giuseppe et al.
2022In Journal of the Acoustical Society of America, 152 (3), p. 1901-1912
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Keywords :
Acoustics and Ultrasonics; Arts and Humanities (miscellaneous)
Abstract :
[en] Photopolymer-based additive manufacturing has received increasing attention in the field of acoustics over the past decade, specifically towards the design of tissue-mimicking phantoms and passive components for ultrasound imaging and therapy. While these applications rely on an accurate characterization of the longitudinal bulk properties of the materials, emerging applications involving periodic micro-architectured media also require the knowledge of the transverse bulk properties to achieve the desired acoustic behavior. However, a robust knowledge of these properties is still lacking for such attenuating materials. Here, we report on the longitudinal and transverse bulk properties, i.e., frequency-dependent phase velocities and attenuations, of photopolymer materials, which were characterized in the MHz regime using a double through-transmission method in oblique incidence. Samples were fabricated using two different printing technologies (stereolithography and polyjet) to assess the impact of two important factors of the manufacturing process: curing and material mixing. Overall, the experimentally observed dispersion and attenuation could be satisfactorily modeled using a power law attenuation to identify a reduced number of intrinsic ultrasound parameters. As a result, these parameters, and especially those reflecting transverse bulk properties, were shown to be very sensitive to slight variations of the manufacturing process. V
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Gattin, Max;  UMR 8208, Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, MSME, Cr eteil, France
Bochud, Nicolas ;  UMR 8208, Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, MSME, Cr eteil, France
Rosi, Giuseppe ;  UMR 8208, Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, MSME, Cr eteil, France
Grossman, Quentin ;  Université de Liège - ULiège > GIGA > GIGA In silico medecine - Biomechanics Research Unit ; Mechanics of Biological and Bioinspired Materials Laboratory, Department of Aerospace and Mechanical Engineering, University of Lie `ge, Lie `ge, Belgium
Ruffoni, Davide  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Mécanique des matériaux biologiques et bioinspirés ; Mechanics of Biological and Bioinspired Materials Laboratory, Department of Aerospace and Mechanical Engineering, University of Lie `ge, Lie `ge, Belgium
Naili, Salah ;  UMR 8208, Univ Paris Est Creteil, Univ Gustave Eiffel, CNRS, MSME, Cr eteil, France
Language :
English
Title :
Ultrasound characterization of the viscoelastic properties of additively manufactured photopolymer materials
Publication date :
23 September 2022
Journal title :
Journal of the Acoustical Society of America
ISSN :
0001-4966
eISSN :
1520-8524
Publisher :
Acoustical Society of America (ASA)
Volume :
152
Issue :
3
Pages :
1901-1912
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
CNRS-INSIS
UPEC - Université Paris-Est Créteil [FR]
Available on ORBi :
since 29 November 2022

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