Finite element analysis of magnetic flux leakage detection: Characterizing defect size and depth effects

Wang Jie and Mohd. Kamal Mohd. Shah and Choong Wai Heng and Nahiyan Al-Azad (2024) Finite element analysis of magnetic flux leakage detection: Characterizing defect size and depth effects. International journal of Innovation and Industrial revolution, 6. pp. 1-16. ISSN 2637 - 0972

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URL: https://gaexcellence.com/ijirev/article/view/1677

Abstract

The analysis and identification of defect signals in magnetic flux leakage (MFL) inspection are crucial aspects of MFL detection technology. To investigate the impact of defect size and depth on magnetic flux density in steel pipes, this paper creates 100 finite element models of MFL detection for defects with lengths and depths ranging from 1 to 10 mm. Simulation results show that the radial component of the magnetic flux leakage field exhibits two peaks near the defect edges, while the axial component has a peak at the defect center. As the defect size increases, the peak-to-peak distance of the radial component increases, while its peak value decreases; the peak value of the axial component increases with defect length within a certain range. These findings enhance the understanding of MFL detection and its relationship with defect size and depth, providing insights that can inform the development of more accurate and efficient detection techniques.

Item Type:	Article
Keyword:	Magnetic Flux Leakage; Ansys; Finite Element
Subjects:	Q Science > QC Physics > QC1-999 Physics > QC501-766 Electricity and magnetism > QC501-(721) Electricity > QC717.6-718.8 Plasma physics. Ionized gases T Technology > TA Engineering (General). Civil engineering (General) > TA1-2040 Engineering (General). Civil engineering (General) > TA329-348 Engineering mathematics. Engineering analysis
Department:	FACULTY > Faculty of Engineering
Depositing User:	ABDULLAH BIN SABUDIN -
Date Deposited:	17 Mar 2025 11:14
Last Modified:	17 Mar 2025 11:14
URI:	https://eprints.ums.edu.my/id/eprint/43215

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