Detection of back-side cracks in steel structure using a differential eddy current testing probe

Nurul A'in, Nadzri and Mohd Mawardi, Saari and Mohd Aufa Hadi, Putera Zaini and Nur Huda, Ramlan and Zulkifly, Ab Aziz (2020) Detection of back-side cracks in steel structure using a differential eddy current testing probe. In: 2020 International Conference on Emerging Technology in Computing, Communication and Electronics, ETCCE 2020 , 21 - 22 December 2020 , Virtual, Dhaka. pp. 1-6. (9350887). ISBN 978-166541962-8

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Abstract

Eddy current testing (ECT) is a technique that is used to identify deficiencies and faulty in metallic components including aircraft, piping, bridges, and other civil engineering structures. Early detection of cracks is essential for ensuring structural integrity, safety, and reliability before it reaches the point of fracture. ECT method becomes common in NDT because it can detect a defect in conductive materials. Crack can exist in any form of size and shape either on surface or subsurface components where it can contribute to the complete fracture. The development of an ECT probe for the evaluation of backside defects in the galvanized steel plate is discussed in this paper. The ECT probe is developed based on fluxgate sensors for identifications of defects. The ECT probe that was created is assessed by executing a phase-sensitive detection technique at the excitation field of 70 Hz to 310 Hz. The efficiency of the magnetic probe is estimated by identifying the existence of slits based on the changes of the magnetic response where the induced eddy current is caused. Using the developed magnetic probe, the signal intensity is evaluated on the backside of the sample plate. The results show a signal change in the crack area. The integrated ECT probe is expected to be applied for the evaluation of backside inaccuracies.

Item Type:	Conference or Workshop Item (Lecture)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Crack; Eddy current; Nondestructive Test
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division:	Institute of Postgraduate Studies Faculty of Electrical and Electronic Engineering Technology
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	05 Jul 2023 06:59
Last Modified:	05 Jul 2023 06:59
URI:	http://umpir.ump.edu.my/id/eprint/37941
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