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 ...
Rui Li, Maolin Cai, Yan Shi
exaly +9 more sources
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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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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Energy Reports, 2023 Leakage flux magnitude and pattern greatly affect transformer short-circuit resistance. In this paper, finite element calculations and experimental measurements is used to calculate the leakage magnetic field of a transformer.
Tiannan Meng +5 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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Applied Sciences, 2020 Linear vibration motors are becoming more popular for use in haptic applications owing to their better performance. However, a permanent magnet with a large volume causes massive magnetic flux leakage, which can be harmful to passengers with a cardiac ...
Zhi-Xiong Jiang +5 more
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Calculation and simulation research on leakage magnetic field of broken wire damage of wire rope
Gong-kuang zidonghua, 2020 In view of problems that states and characteristics of wire rope defects are random, and it is too difficult to physically calculate the damage of different forms of wire rope, two-dimensional magnetic load model is used to analyze leakage magnetic field
DOU Liancheng, ZHAN Weixia
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Materiales de Construccion, 2022 Non-destructive measurement techniques are used to identify engineering construction components without causing any negative effects on their use as construction components in the future.
Ö. Bektaş +2 more
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Analysis of the Influence of Ferromagnetic Corrosion Products on Magnetic Flux Leakage Detection of Pipeline [PDF]
Cailiao BaohuMagnetic flux leakage internal detection is an efficient method for detecting defects in long-distance pipelines.However，some corrosion points (such as stray current corrosion) contain a large amount of ferromagnetic corrosion products， which can affect ...
ZHU Xinghui, HU Peng, MENG Xiangji, LYU Tan, GUO Bin, CHEN Jinzhong, ZHOU Demin
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