Guided wave propagation in debonding detection in CFRP-reinforced steel plate-like structures

Beata Zima; Łukasz Breńkacz

doi:10.1016/j.oceaneng.2024.117215

Guided wave propagation in debonding detection in CFRP-reinforced steel plate-like structures

Abstrakt

The present study investigates the guided wave propagation in multilayered steel specimens reinforced with carbon fiber reinforced polymer (CFRP) through theoretical, numerical, and experimental means. The effectiveness of externally bonded reinforcement (EBR) relies heavily on the bonding quality between the CFRP and the substrate. Premature debonding, a prevalent and hazardous defect, can arise from suboptimal manufacturing processes, excessive loads, and unfavorable environmental conditions. This defect remains hidden and poses challenges for detection through conventional visual inspections. Therefore, this research analyzes the impact of debonding development on wave propagation signals. The paper specifically focuses on examining different transducer localizations and their influence on the monitoring process efficiency. The theoretical rationale for various transducer configurations is presented, highlighting the undeniable influence of the chosen configuration on monitoring effectiveness. Multiple transducer and damage configurations are described, and their disparities are investigated through experimental and numerical studies. Furthermore, it is demonstrated that assumptions valid for damages with regular shapes cannot be easily extended and applied to diagnostic procedures in more complex scenarios, such as debonding that develops across the entire specimen but within a limited width.

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Autorzy (2)

Beata Zima dr hab. inż.
Łukasz Breńkacz dr inż.

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Kategoria:

Publikacja w czasopiśmie

Typ:

artykuły w czasopismach

Opublikowano w:

OCEAN ENGINEERING nr 298,
ISSN: 0029-8018

Język:

angielski

Rok wydania:

2024

Opis bibliograficzny:

Zima B., Breńkacz Ł.: Guided wave propagation in debonding detection in CFRP-reinforced steel plate-like structures// OCEAN ENGINEERING -,iss. 298 (2024), s.117215-

DOI: