Evaluation of the Size of a Defect in Reinforcing Steel Using Magnetic Flux Leakage (MFL) Measurements [PDF]
Sensors, 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 ...
Jamal Yousaf +3 more
doaj +6 more sources
Analysis of Resistance in Magnetic Flux Leakage (MFL) Detectors for Natural Gas Pipelines [PDF]
SensorsThis study systematically explores the sources and influencing factors of resistance encountered by magnetic flux leakage (MFL) detectors in natural gas pipelines through a theoretical analysis, experimental investigation, and numerical simulation. The research methodology involves the development of a fluid–structure interaction model using ABAQUS ...
Xiangjun Chen, Chuanmin Tai
exaly +5 more sources
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
doaj +2 more sources
The Signal Characteristics of Oil and Gas Pipeline Leakage Detection Based on Magneto-Mechanical Effects [PDF]
Sensors, 2023 In order to solve the problem of the quantification of detection signals in the magnetic flux leakage (MFL) of defective in-service oil and gas pipelines, a non-uniform magnetic charge model was established based on magnetic effects.
Bin Liu +5 more
doaj +2 more sources
Sustainability, 2022 Girth weld defects in long-distance oil and gas pipelines are one of the main causes of pipeline leakage failure and serious accidents. Magnetic flux leakage (MFL) is one of the most widely used inline inspection methods for long-distance pipelines. However, it is impossible to determine the type of girth weld defect via traditional manual analysis due
Shaohua Dong, Dong Shaohua
exaly +2 more sources
Implementing Nitrogen Vacancy Center Quantum Sensor Technology for Magnetic Flux Leakage Testing [PDF]
SensorsEnsuring the structural integrity of prestressed (PS) concrete is essential for the safety and longevity of infrastructure. Magnetic Flux Leakage (MFL) testing is a widely used non-destructive testing (NDT) method for detecting fractures in prestressing ...
Jonathan Villing +4 more
doaj +2 more sources
Phase-Extraction-Based MFL Testing for Subsurface Defect in Ferromagnetic Steel Plate [PDF]
Sensors, 2022 Magnetic flux leakage (MFL) based on phase extraction for detecting the subsurface defects in ferromagnetic steel plate was investigated. The relationship between electromagnetic field phase and the subsurface defect was analyzed.
Chengjian Ma, Yang Liu, Changyu Shen
doaj +2 more sources
A Lift-Off-Tolerant Magnetic Flux Leakage Testing Method for Drill Pipes at Wellhead
Sensors, 2017 To meet the great needs for MFL (magnetic flux leakage) inspection of drill pipes at wellheads, a lift-off-tolerant MFL testing method is proposed and investigated in this paper.
Jianbo Wu +7 more
doaj +3 more sources
Magnetic Flux Leakage (MFL) based Defect Characterization of Steam Generator Tubes using Artificial Neural Networks [PDF]
Journal of Magnetics, 2017 Jackson Daniel
exaly +2 more sources
Optimization design of magnetic flux circuit for mine wire rope damage detection
Gong-kuang zidonghua, 2022 The magnetic flux leakage(MFL) detection method is the most widely used method for detecting the mine wire rope damage, and there is no research on the influence of magnetic noise signal in magnetic flux circuit on the MFL detection signal of wire rope ...
TIAN Jie +4 more
doaj +1 more source