Mathieu Ducousso
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View article: Propagation of laser weak shock waves in a three-dimensional woven composite composite
Propagation of laser weak shock waves in a three-dimensional woven composite composite Open
The propagation of a laser-driven shock wave in an aeronautic composite material is investigated. The material, made of three-dimensional carbon fiber lattices embedded in an epoxy matrix, is heterogeneous and anisotropic, due to the intri…
View article: Erratum: Nonlinear interaction of an acoustical wave with a counter-propagating weak shock [J. Acoust. Soc. Am. <b>156</b>, 4085–4098 (2024)]
Erratum: Nonlinear interaction of an acoustical wave with a counter-propagating weak shock [J. Acoust. Soc. Am. <b>156</b>, 4085–4098 (2024)] Open
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View article: Nonlinear interaction of an acoustical wave with a counter-propagating weak shock
Nonlinear interaction of an acoustical wave with a counter-propagating weak shock Open
During its propagation, a shock wave may come across and interact with different perturbations, including acoustical waves. While this issue has been the subject of many studies, the particular acoustic-acoustic interaction between a weak …
View article: High-resolution ultrasonic characterization of an adhesive film in an aeronautical assembly
High-resolution ultrasonic characterization of an adhesive film in an aeronautical assembly Open
In recent years, the increasing use of composite materials in aeronautical structures to reduce weight has led to a growing interest in non-destructive testing of adhesive joints. Such inspections aim to detect defects such as porosity or …
View article: Laser shock wave propagation in a 3D woven composite material : experiment and simulation
Laser shock wave propagation in a 3D woven composite material : experiment and simulation Open
The propagation of a laser shock wave within a composite material used in aeronautics is investigated.The material is made of carbon fibres woven according to a 3D pattern within an epoxy matrix.A shock wave is generated by an impulsive (o…
View article: Bulk Probing of Shock Wave Spatial Distribution in Opaque Solids by Ultrasonic Interaction
Bulk Probing of Shock Wave Spatial Distribution in Opaque Solids by Ultrasonic Interaction Open
We present a method to investigate the bulk propagation of a shock wave in a thick, opaque metallic plate. The shock wave is generated by laser-loading. An elastic plane probe wave, contra-propagative with respect to the shock, is emitted …
View article: Propagation of laser-generated shock waves in metals: 3D axisymmetric simulations compared to experiments
Propagation of laser-generated shock waves in metals: 3D axisymmetric simulations compared to experiments Open
This work aims at demonstrating the ability of an acoustic linear code to model the propagation of a shock wave created by a laser impact over a metallic surface. In this process, a high pressure surface level is reached using a ns laser p…
View article: Metal-Metal and Metal-Composite Material Bondings Characterization Using Guided Lamb Waves
Metal-Metal and Metal-Composite Material Bondings Characterization Using Guided Lamb Waves Open
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View article: Acoustic Imaging of the Laser-Driven Shock Wave Propagation in Metallic Materials
Acoustic Imaging of the Laser-Driven Shock Wave Propagation in Metallic Materials Open
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View article: Three-dimensional imaging of metal/epoxy interface using time-domain Brillouin scattering
Three-dimensional imaging of metal/epoxy interface using time-domain Brillouin scattering Open
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View article: Attenuation of Zero-Group-Velocity Lamb modes for the nondestructive evaluation of adhesive bonding
Attenuation of Zero-Group-Velocity Lamb modes for the nondestructive evaluation of adhesive bonding Open
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View article: Quantitative evaluation of the mechanical strength of titanium/composite bonding using laser-generated shock waves
Quantitative evaluation of the mechanical strength of titanium/composite bonding using laser-generated shock waves Open
Intense acoustic shock waves were applied to evaluate the mechanical strength of structural epoxy bonds between a TA6V4 titanium alloy and a 3D woven carbon/epoxy composite material. Two bond types with different mechanical strengths were …
View article: Experimental implementation of shock waves propagation using multi-materials stacks – Application to bonded assemblies evaluation by laser adhesion test
Experimental implementation of shock waves propagation using multi-materials stacks – Application to bonded assemblies evaluation by laser adhesion test Open
The Laser Adhesion Test (LASAT) process is based on propagating calibrated shock waves generated by laser within a multi-materials stack to evaluate interface mechanical strength. In this work we present results from laser shocks experimen…
View article: Impact of noise in holography with extended references in the low signal regime
Impact of noise in holography with extended references in the low signal regime Open
Signal-to-noise ratio is a key factor in lensless imaging, particularly for low diffraction signal experiments in the single shot regime. We present our recent study of the noise impact on holography with extended references. Experimental …
View article: Zero Group Velocity Resonances of Three Layer Plates for Bonding Evaluation
Zero Group Velocity Resonances of Three Layer Plates for Bonding Evaluation Open
Lamb waves in plates are strongly dispersive. For some branches of the dispersion curves ω(k), a minimum occurs at a non-zero wavenumber k, corresponding to a Zero Group Velocity (ZGV) Lamb mode. Such ZGV modes also exist in multi-layer pl…