Pascal Pomarède
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View article: Terahertz pulsed imaging of low velocity impact damage in woven fiber composite laminates
Terahertz pulsed imaging of low velocity impact damage in woven fiber composite laminates Open
Recently, terahertz pulse imaging has been used extensively to characterize internal defects in various electrically insulating materials. In this work, terahertz pulse imaging is used to identify the damage induced by low-velocity impact …
View article: THz-Based Monitoring of the Deformation of the Inner Woven Structure of Glass-Fiber Reinforced Polymers
THz-Based Monitoring of the Deformation of the Inner Woven Structure of Glass-Fiber Reinforced Polymers Open
International audience
View article: Ultrasonic testing of the biomechanical properties of donation blood
Ultrasonic testing of the biomechanical properties of donation blood Open
Background. Donated blood is routinely preserved for about six weeks. After that, a considerable amount of unused blood is discarded for safety. We carried out sequential measurements of the ultrasonic parameters (Velocity of propagation o…
View article: Assessing the number of twists of stranded wires using ultrasound
Assessing the number of twists of stranded wires using ultrasound Open
Wiring, of different degrees of complexity, is a dominant part of mechanical support in constructions, electromagnetic and telecommunication signal transmission cables, among other applications. Single and manifold twisted wires are promin…
View article: Ultrasonic investigation of the effect of compressive strains on 3D periodic bi-material structures
Ultrasonic investigation of the effect of compressive strains on 3D periodic bi-material structures Open
Due to the specific elastic properties such as high stiffness to mass ratio, regular microstructure materials are widely used in the industry. The need for nondestructive evaluation is ubiquitous to ensure material quality. As an effective…
View article: Combined Grid and Feature-based Mapping of Metal Structures with Ultrasonic Guided Waves
Combined Grid and Feature-based Mapping of Metal Structures with Ultrasonic Guided Waves Open
The ultrasonic mapping of plate-based facilities is an essential step towards the robotic inspection of large metal structures such as storage tanks or ship hulls. This work proposes a novel framework that exploits ultrasonic echoes to rec…
View article: A FastSLAM Approach Integrating Beamforming Maps for Ultrasound-based Robotic Inspection of Metal Structures
A FastSLAM Approach Integrating Beamforming Maps for Ultrasound-based Robotic Inspection of Metal Structures Open
International audience
View article: Monte-Carlo Localization on Metal Plates Based on Ultrasonic Guided Waves
Monte-Carlo Localization on Metal Plates Based on Ultrasonic Guided Waves Open
Due to travel restrictions after the CoVid-19 pandemic, the dates have been postponed to a later time in Summer 2021. A final decision about the format of the symposium is expected by late March.
View article: Detection and evaluation of barely visible impact damage in woven glass fabric reinforced polyamide 6.6/6 composite using ultrasonic imaging, X-ray tomography and optical profilometry
Detection and evaluation of barely visible impact damage in woven glass fabric reinforced polyamide 6.6/6 composite using ultrasonic imaging, X-ray tomography and optical profilometry Open
The present experimental work investigates the response of woven glass fabric reinforced polyamide 6.6/6 subjected to drop weight impact loading. The main objective is the development and the introduction of a new experimental procedure/ap…
View article: Effects of path length on the linear and non-linear ultrasonic characterization of soft materials
Effects of path length on the linear and non-linear ultrasonic characterization of soft materials Open
International audience
View article: Non destructive evaluation of bi-material structures: a case study
Non destructive evaluation of bi-material structures: a case study Open
International audience
View article: Nondestructive testing of composites using a nonlinear acoustic spectroscopy method
Nondestructive testing of composites using a nonlinear acoustic spectroscopy method Open
The presented experimental work describes the nondestructive examination of polymer based composites using an acoustic method under the consideration of nonlinear effects. The technique is based on the fact that material behaves more nonli…