A Review of Magnetic Flux Leakage Nondestructive Testing. [PDF]
Materials (Basel), 2022 Magnetic flux leakage (MFL) testing is a widely used nondestructive testing (NDT) method for the inspection of ferromagnetic materials. This review paper presents the basic principles of MFL testing and summarizes the recent advances in MFL. An analytical expression for the leakage magnetic field based on the 3D magnetic dipole model is provided. Based
Feng B, Wu J, Tu H, Tang J, Kang Y.
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A Magnetic Flux Leakage Detector for Ferromagnetic Pipeline Welds with a Magnetization Direction Perpendicular to the Direction of Travel [PDF]
SensorsFor the sake of realizing the safety detection of natural gas and petroleum pipeline welds, this paper designs a ferromagnetic pipeline weld magnetic flux leakage detector based on the calculation of the magnetic circuit of the detection probe, with the ...
Wei Cui +4 more
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Serial MTJ-Based TMR Sensors in Bridge Configuration for Detection of Fractured Steel Bar in Magnetic Flux Leakage Testing [PDF]
Sensors, 2021 Thanks to high sensitivity, excellent scalability, and low power consumption, magnetic tunnel junction (MTJ)-based tunnel magnetoresistance (TMR) sensors have been widely implemented in various industrial fields.
Zhenhu Jin +3 more
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Theory and Application of Magnetic Flux Leakage Pipeline Detection [PDF]
Sensors, 2015 Magnetic flux leakage (MFL) detection is one of the most popular methods of pipeline inspection. It is a nondestructive testing technique which uses magnetic sensitive sensors to detect the magnetic leakage field of defects on both the internal and ...
Yan Shi +4 more
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Evaluation of the Size of a Defect in Reinforcing Steel Using Magnetic Flux Leakage (MFL) Measurements. [PDF]
Sensors (Basel), 2023 This study aimed to evaluate 2D magnetic flux leakage (MFL) signals (Bx, By) in D19-size reinforcing steel with several defect conditions. The magnetic flux leakage data were collected from the defected and new specimens using an economically designed ...
Yousaf J, Harseno RW, Kee SH, Yee JJ.
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Mechanism of Magnetic Flux Leakage Detection Method Based on the Slotted Ferromagnetic Lift-Off Layer. [PDF]
Sensors (Basel), 2022 Magnetic flux leakage (MFL) testing is widely used in non-destructive testing of ferromagnetic components. In view of the serious attenuation of the leakage magnetic field (LMF) caused by the transmission of LMF in the lift-off layer between the ...
Tang J, Wang R, Qiu G, Hu Y, Kang Y.
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Attention Module Magnetic Flux Leakage Linked Deep Residual Network for Pipeline In-Line Inspection. [PDF]
Sensors (Basel), 2022 Pipeline operational safety is the foundation of the pipeline industry. Inspection and evaluation of defects is an important means of ensuring the safe operation of pipelines.
Liu S, Wang H, Li R.
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Study on the Impact of Pole Spacing on Magnetic Flux Leakage Detection under Oversaturated Magnetization. [PDF]
Sensors (Basel)Magnetic flux leakage (MFL) inspection employs leakage magnetic fields to effectively detect and locate pipeline defects. The spacing between magnetic poles significantly affects the leakage magnetic field strength. While most detectors typically opt for
Liu W, Ren L, Tian G.
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Magnetic Flux Leakage Method: Large-Scale Approximation [PDF]
Mathematical Modelling of Natural Phenomena, 2015 We consider the application of the magnetic flux leakage (MFL) method to the detection of defects in ferromagnetic (steel) tubulars. The problem setup corresponds to the cases where the distance from the casing and the point where the magnetic field is ...
Bacciarelli, Mark +5 more
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Electromechanical Characteristics Analysis of Magnetic Shield on Superconducting Magnetic Levitation Train [PDF]
MicromachinesThe guest room and aisle of electric high-speed maglev train must be shielded from leakage magnetic flux produced by superconducting strong magnetic field.
Mingyuan Hu +3 more
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