Study on the Impact of Pole Spacing on Magnetic Flux Leakage Detection under Oversaturated Magnetization [PDF]
SensorsMagnetic 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
Wenlong Liu, Lemei Ren, Guansan Tian
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Parametric design methodology for yoke-magnetization in magnetic flux leakage detection systems
Results in EngineeringMagnetic flux leakage (MFL) testing is a widely employed non-destructive testing (NDT) method, particularly for ferromagnetic materials. This paper proposes a systematic design procedure for the yoke-magnetization component in MFL systems utilizing ...
Quoc Minh Lam +4 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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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.
europepmc +2 more sources
Quantitative method of pipeline magnetic leakage internal signal detection on the basis of an improved neural network [PDF]
Scientific ReportsIn response to the problem of poor quantification ability and unclear feature correlation of pipeline defect magnetic flux leakage signals, a neural network is proposed to establish the relationship between the characteristic quantities of pipeline ...
Guoqing Wang +3 more
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Composite excitation multi-extension direction defect magnetic flux leakage detection technology
Journal of Measurement Science and Instrumentation, 2022 In the traditional pipeline magnetic flux leakage (MFL) detection technology, circumferential or axial excitation is mainly used to excite the magnetic field of defects.
WEI Minghui +5 more
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Pulsed magnetic flux leakage method for hairline crack detection and characterization [PDF]
AIP Advances, 2018 The Magnetic Flux leakage (MFL) method is a well-established branch of electromagnetic Non-Destructive Testing (NDT), extensively used for evaluating defects both on the surface and far-surface of pipeline structures.
Chukwunonso K. Okolo, Turgut Meydan
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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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Detection of uniaxial fatigue stress under magnetic flux leakage signals using Morlet wavelet
Fracture and Structural Integrity, 2022 This paper demonstrates the application of continuous wavelet transform technique for magnetic flux leakage signal generated during a uniaxial fatigue test.
S.M. Firdaus +4 more
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A global centralized magnetic flux leakage small defect detection network
Engineering Research ExpressTo solve the problem that magnetic-flux-leakage (MFL) small defects are difficult to accurately detect by machine learning methods, a global centralized magnetic flux leakage small defect detection network (RCFPNet) is proposed.
yufei chen, Xianming Lang, Mingyang Liu
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