Szczegóły publikacji
Opis bibliograficzny
Detection of disbonds in adhesively bonded aluminum plates using laser-generated shear acoustic waves / Patrycja PYZIK, Aleksandra ZIAJA-SUJDAK, Jakub SPYTEK, Matthew O'Donnell, Ivan Pelivanov, Łukasz AMBROZIŃSKI // Photoacoustics ; ISSN 2213-5979. — 2021 — vol. 21 art. no. 100226, s. 1–14. — Bibliogr. s. 13–14, Abstr. — Publikacja dostępna online od: 2020-12-01
Autorzy (6)
- AGHPyzik Patrycja
- AGHZiaja-Sujdak Aleksandra
- AGHSpytek Jakub
- O'Donnell Matthew
- Pelivanov Ivan
- AGHAmbroziński Łukasz
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 131887 |
|---|---|
| Data dodania do BaDAP | 2021-01-11 |
| Tekst źródłowy | URL |
| DOI | 10.1016/j.pacs.2020.100226 |
| Rok publikacji | 2021 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | Photoacoustics |
Abstract
Adhesively bonded metals are increasingly used in many industries. Inspecting these parts remains challenging for modern non-destructive testing techniques. Laser ultrasound (LU) has shown great potential in high-resolution imaging of carbon-reinforced composites. For metals, excitation of longitudinal waves is inefficient without surface ablation. However, shear waves can be efficiently generated in the thermo-elastic regime and used to image defects in metallic structures. Here we present a compact LU system consisting of a high repetition rate diode-pumped laser to excite shear waves and noncontact detection with a highly sensitive fiber optic Sagnac interferometer to inspect adhesively bonded aluminum plates. Multiphysics finite difference simulations are performed to optimize the measurement configuration. Damage detection is performed for a structure consisting of three aluminum plates bonded with an epoxy film. Defects are simulated by a thin Teflon film. It is shown that the proposed technique can efficiently localize defects in both adhesion layers.
