Bonding Characterization of a Three-Layer Metal-Adhesive-Metal Using Shear Horizontal Modes of Close Dispersion Curves - Normandie Université Access content directly
Journal Articles Acta Acustica united with Acustica Year : 2017

Bonding Characterization of a Three-Layer Metal-Adhesive-Metal Using Shear Horizontal Modes of Close Dispersion Curves

Abstract

This work presents numerical and experimental results on the evaluation of the quality of bonding in a metaladhesive- metal three-layer structure using shear horizontal (SH) guided waves. The studied samples have different levels of adhesion. A numerical finite element simulation based on the Jones model permits to predict the dispersion curves in the different cases. An experimental study, based on a generation of waves by an EMAT transducer and a reception by a piezocomposite transducer, is performed. Results show that a criterion on the quality of the bonding can be found when the quality of the adhesive is degraded by addition of grease in the adhesive, based on the simultaneous propagation, or not, of two close wavenumber-frequency modes of the threelayer.
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hal-01919437 , version 1 (29-08-2022)

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Damien Leduc, Mounsif Ech-Cherif El-Kettani, Latifa Attar, Mihai Valentin Predoi, Pascal Pareige. Bonding Characterization of a Three-Layer Metal-Adhesive-Metal Using Shear Horizontal Modes of Close Dispersion Curves. Acta Acustica united with Acustica, 2017, 103 (6), pp.926 - 931. ⟨10.3813/AAA.919121⟩. ⟨hal-01919437⟩
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