Delamination/disbond propagation analysis in adhesively bonded composite joints using guided waves

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F22%3A00358395" target="_blank" >RIV/68407700:21230/22:00358395 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1080/24705314.2021.1971894" target="_blank" >https://doi.org/10.1080/24705314.2021.1971894</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/24705314.2021.1971894" target="_blank" >10.1080/24705314.2021.1971894</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Delamination/disbond propagation analysis in adhesively bonded composite joints using guided waves

Popis výsledku v původním jazyce

This paper investigates debonding and delamination assessment by means of Lamb waves in adhesively bonded composite joints. Adhesively bonded wide CFRP panels with initial delamination were subjected to fatigue loading. A segment of a group velocity dispersion curve was constructed for the plain panel and the bonded section. The fundamental asymmetrical Lamb wave mode (A0) was utilized to evaluate damage propagation. The depth of debonding/delamination and the extent of the damage within the bonded section were analyzed in relation to the group velocity change of the A0 mode. The results indicate that a suitable sensor placement and a proper frequency selection enable the assessment of the interface failure in the three-layer system. Based on the time delays, it was possible to distinguish delamination in the specific adherent. Metallographic analysis confirmed the depth of delamination propagation. Guided wave-based measurements were compared to and verified with ultrasonic A-scans. Additionally, RAPID algorithm was utilized to visualize damage extent with the first damage detection in 29.4 % of the fatigue life.

Název v anglickém jazyce

Delamination/disbond propagation analysis in adhesively bonded composite joints using guided waves

Popis výsledku anglicky

This paper investigates debonding and delamination assessment by means of Lamb waves in adhesively bonded composite joints. Adhesively bonded wide CFRP panels with initial delamination were subjected to fatigue loading. A segment of a group velocity dispersion curve was constructed for the plain panel and the bonded section. The fundamental asymmetrical Lamb wave mode (A0) was utilized to evaluate damage propagation. The depth of debonding/delamination and the extent of the damage within the bonded section were analyzed in relation to the group velocity change of the A0 mode. The results indicate that a suitable sensor placement and a proper frequency selection enable the assessment of the interface failure in the three-layer system. Based on the time delays, it was possible to distinguish delamination in the specific adherent. Metallographic analysis confirmed the depth of delamination propagation. Guided wave-based measurements were compared to and verified with ultrasonic A-scans. Additionally, RAPID algorithm was utilized to visualize damage extent with the first damage detection in 29.4 % of the fatigue life.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

JOURNAL OF STRUCTURAL INTEGRITY AND MAINTENANCE

ISSN

2470-5314

e-ISSN

—

Svazek periodika

7

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

25-33

Kód UT WoS článku

000738913900003

EID výsledku v databázi Scopus

2-s2.0-85122196181