Titre :

Corrosion monitoring based on diffuse ultrasonic CWI technique applied to infrastructures in contact with sea water: case study

Auteur(s) :

Khelissa, Simon [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Nicard, Cyril [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Farin, Maxime [Auteur]
Brehault, Oliver [Auteur]
Proriol Serre, Ingrid [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Moulin, Emmanuel [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Transduction, Propagation et Imagerie Acoustique - IEMN [TPIA - IEMN]
Campistron, Pierre [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Matériaux et Acoustiques pour MIcro et NAno systèmes intégrés - IEMN [MAMINA - IEMN]
Chehami, Lynda [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Transduction, Propagation et Imagerie Acoustique - IEMN [TPIA - IEMN]
Balloy, David [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Benmeddour, Farouk [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Transduction, Propagation et Imagerie Acoustique - IEMN [TPIA - IEMN]
Dubois, Thomas [Auteur]
Delaplace, Guillaume [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]

Titre de la manifestation scientifique :

Eurocorr 2021

Ville :

Budapest

Pays :

Hongrie

Date de début de la manifestation scientifique :

2021-09-20

Discipline(s) HAL :

Chimie/Matériaux
Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]

Résumé en anglais : [en]

The present study has been conducted in the frame of Interreg SOCORRO2 (Seeking out corrosion - before it is too late) project which aims to provide industries with an independent tool to assess corrosion risks of their ...
Lire la suite >The present study has been conducted in the frame of Interreg SOCORRO2 (Seeking out corrosion - before it is too late) project which aims to provide industries with an independent tool to assess corrosion risks of their installations in contact with sea water. The implementation of such a tool would increase their awareness and would allow them to take appropriate preventive actions against corrosion damage that often results in economic losses. Therefore, we investigated a non-invasive ultrasonic method to detect and follow chemically and microbiologically induced corrosion using Coda Wave Interferometry (CWI) method.In this paper, CWI based on ultrasonic diffuse waves is applied, for corrosion assessment on two specimens: iron and stainless steels and in two distinguish configurations: pure water (served as reference state) and salt water (3% NaCl). Both structures are monitored using two embedded Ultrasonic transducers at 1 MHz. The correlation coefficient (CC) is computed for each coda-window according to the reference.Different corrosion cells and configurations (corroded material, electrolyte, free potential, imposed potential) were considered to validate the ability of the sensor to detect corrosion phenomena and describes different forms of corrosion: generalized corrosion, localised corrosion, oxidation, passivation.The present work presents the preliminary findings obtained by CWI and theirs correlation with the corrosion in steels.Lire moins >

Langue :

Anglais

Comité de lecture :

Non

Audience :

Internationale

Vulgarisation :

Non

Commentaire :

Communication oraleEurocorr 2022, Berlin

Collections :

• Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

Harvested from HAL