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
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Development of an MFL Coil Sensor for Testing Pipes in Extreme Temperature Conditions [PDF]
Sensors, 2021 This paper aims to design a coil sensor for corrosion monitoring of industrial pipes that could detect variations in thickness using the MFL (Magnetic Flux Leakage) technique. An MFL coil sensor is designed and tested with pipe sample thicknesses of 2, 4,
Nagu Sathappan +6 more
doaj +3 more sources
Extraction of Flux Leakage and Eddy Current Signals Induced by Submillimeter Backside Slits on Carbon Steel Plate Using a Low-Field AMR Differential Magnetic Probe [PDF]
IEEE Access, 2021 Magnetic Flux Leakage (MFL) and Eddy Current Testing (ECT) are commonly employed as the non-destructive evaluation (NDE) techniques used to detect defects within the steel.
Mohd Aufa Hadi Putera Zaini +5 more
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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 ...
Zenggang Zhang +4 more
openaire +4 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
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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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
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
Enhancing Wire-Rope Damage Signals Based on a Radial Magnetic Concentrator Bridge Circuit [PDF]
Sensors, 2022 Hall-effect sensors are used for the non-destructive testing of wire ropes owing to their low power consumption and high operation frequency. The high-speed operation of wire ropes causes vibration inclination at different frequencies, which makes it ...
Jie Tian +5 more
doaj +2 more sources
Three-dimensional dynamic simulation analysis of magnetic flux leakage distribution in broken strands of wire ropes [PDF]
Gong-kuang zidonghuaCurrent simulation studies on the distribution pattern of magnetic flux leakage (MFL) in broken strands of wire ropes primarily use finite element static magnetic field simulation models. In these models, the wire rope and the damage detection instrument
WEI Mingjiang +4 more
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