Sshrama, Kadhum, Al-Jumaili, Safaa Kh, Pullin, Rhys ORCID: https://orcid.org/0000-0002-2853-6099, Clarke, Alastair ORCID: https://orcid.org/0000-0002-3603-6000 and Evans, Samuel ORCID: https://orcid.org/0000-0003-3664-2569 2019. On the use of acoustic emission and digital image correlation for welded joints damage characterization. Journal of Applied and Computational Mechanics 5 (2) , pp. 381-389. 10.22055/JACM.2018.25941.1301 |
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Abstract
A series of tests have been conducted to investigate fatigue damage characterization in corroded welded steel plates using structural health monitoring (SHM) techniques. Acoustic Emission (AE) is a non-destructive testing (NDT) technique with potential applications for locating and monitoring fatigue cracks in service. In the present work, AE is implemented to characterize damage during crack evolution. It is considered to be based on the relationship between RA value (the rise time divided by the amplitude) and the average frequency of the recorded data. Results are confirmed by visual observation of the crack geometry at the end of the test and by Digital image correlation (DIC) measurements. It is seen that the obtained results allow a better understanding of such damage mechanisms, and enabling an early warning against final failure. Thus, ensuring the safety and integrity of the structures is feasible.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Engineering |
Subjects: | T Technology > TJ Mechanical engineering and machinery |
Publisher: | Shahid Chamran University of Ahvaz |
ISSN: | 2383-4536 |
Date of First Compliant Deposit: | 10 July 2019 |
Date of Acceptance: | 7 October 2018 |
Last Modified: | 05 May 2023 08:06 |
URI: | https://orca.cardiff.ac.uk/id/eprint/124093 |
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