Results 21 to 30 of about 392 (157)
The Research of 30 mm Detecting Distance of Testing Device for Wire Rope Based on Open Magnetizer
Applied Sciences, 2022 Wire rope will have defects such as local faults (LF) and loss of metal area (LMA) during the long-term using process. The nondestructive testing method of magnetic flux leakage (MFL) has been widely used in wire rope defect detection.
Mengqi Liu +6 more
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Magnetic induction strength on surface of a ferro-medium circular cylinder
Theoretical and Applied Mechanics Letters, 2016 Based on the Ampere molecular current hypothesis and the Biot–Savart law, a magnetic model on the metal magnetic memory (MMM) testing of a specimen is proposed.
M. Jin
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Magnetic Flux Leakage Course of Inner Defects and Its Detectable Depth
Chinese Journal of Mechanical Engineering, 2021 As a promising non-destructive testing (NDT) method, magnetic flux leakage (MFL) testing has been widely used for steel structure inspection. However, MFL testing still faces a great challenge to detect inner defects.
Jianbo Wu +3 more
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An Online MFL Sensing Method for Steel Pipe Based on the Magnetic Guiding Effect
Sensors, 2017 In order to improve the sensitivity of online magnetic flux leakage (MFL) testing for steel pipe, a sensing method based on the magnetic guiding effect is proposed and investigated in this paper.
Jianbo Wu +5 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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Adaptive Filtering Method of MFL Signal on Rail Top Surface Defect Detection
IEEE Access, 2021 Magnetic flux leakage (MFL) detection technology provides an effective method to conduct high-speed detection of the damage suffered by rail surface.
Kailun Ji +4 more
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Measurement Science Review, 2016 In this paper, an analytical model is proposed to predict magnetic flux leakage (MFL) signals from the surface defects in ferromagnetic tubes. The analytical expression consists of elliptic integrals of first kind based on the magnetic dipole model.
Suresh V., Abudhahir A.
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Frontiers in Physics, 2023 Tapered roller bearings are widely used in heavy machinery, railway transportation, aviation, and other fields. Their quality and reliability are related to the operational safety of mechanical equipment.
Yun Yang +4 more
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Enhancing Wire-Rope Damage Signals Based on a Radial Magnetic Concentrator Bridge Circuit
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
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Magnetic Flux Leakage Sensing-Based Steel Cable NDE Technique
Shock and Vibration, 2014 Nondestructive evaluation (NDE) of steel cables in long span bridges is necessary to prevent structural failure. Thus, an automated cable monitoring system is proposed that uses a suitable NDE technique and a cable-climbing robot. A magnetic flux leakage-
Seunghee Park +3 more
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