Results 31 to 40 of about 2,329,810 (183)

Influence of curvature radius on the axial crack signal of the magnetic flux leakage detection for tapered roller bearing rings

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, Guang Peng, Shaoxiong Qiu, Cuili Chen, Zhenyu Liang   +4 more
doaj   +1 more source

Formation of magnetic flux tubes in cylindrical wedge geometry [PDF]

, 2012
Three-dimensional (3D) MHD numerical simulations have not been able to demonstrate convincingly the spontaneous formation of large vertical flux tubes.
Hurlburt, Neal, Botha, G.J.J., Hurlburt, N. E., Botha, Gert, Rucklidge, A.M., Rucklidge, A. M., Botha, G. J. J., Hurlburt, N.E., Rucklidge, Alistair   +8 more
core   +1 more source

An Analytical Model for Prediction of Magnetic Flux Leakage from Surface Defects in Ferromagnetic Tubes

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.
doaj   +1 more source

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, Wei Wang, Hongyao Wang, Qiang Bai, Zeyang Zhou, Pengbo Li   +5 more
doaj   +1 more source

Mechanism of Magnetic Flux Leakage Detection Method Based on the Slotted Ferromagnetic Lift-Off Layer

Sensors, 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 ...
Jian Tang, Rongbiao Wang, Gongzhe Qiu, Yu Hu, Yihua Kang   +4 more
doaj   +1 more source

Investigation of and Components of the Magnetic Flux Leakage in Ferromagnetic Laminated Sample

Advances in Materials Science and Engineering, 2013
The magnetic flux leakage (MFL) technique is most commonly used for crack detection from iron bars, laminated sheets, and steel tubes of ferromagnetic nature.
Mustafa Göktepe
doaj   +1 more source

Distinction method of pipeline inner and outer defects based on the dynamic magnetic multipole field

You-qi chuyun, 2021
In order to identify the inner and outer defect signals in pipeline magnetic flux leakage (MFL) internal inspection under dynamic conditions, a mathematical model of dynamic leakage magnetic field based on the magnetic multipole field was established for
Jing HU, Sijiao LIU, Li ZHENG, Zhenfeng XU, Jianhua TANG   +4 more
doaj   +1 more source

Development of a MFL system with optical positioning for ferromagnetic plate inspection

e-Journal of Nondestructive Testing
This paper presents the development of a Magnetic Flux Leakage (MFL) based system for non-destructive testing of ferromagnetic plates. Our approach integrates a magnetic circuit using neodymium-iron-boron magnets, a Hall effect sensor for flux ...
A. Ahemadi, Abdelhalim Taieb brahimi
doaj   +1 more source

Quantitative Detection of Wire Rope Based on Three-Dimensional Magnetic Flux Leakage Color Imaging Technology

IEEE Access, 2020
In the field of nondestructive testing (NDT) of wire rope, magnetic flux leakage (MFL) detection is the most widely used method. The traditional single-dimensional MFL detection system has the disadvantages of large volume, heavy weight, low sensitivity ...
Juwei Zhang, Fuchang Peng, Jinbao Chen
doaj   +1 more source

A Simulation and Experimental Study Investigating 2D Magnetic Flux Leakage (MFL) for Defects in Reinforcing Steel [PDF]

, 2023
The study examines magnetic flux leakage signals (Bx, By) within D19 sized rebars in two dimensions. An economically designed test setup incorporating permanent magnets was used to collect magnetic flux leakage at the defect location.
Kee, Seong-Hoon, Yee, Jurng-Jae, Yousaf, Jamal   +2 more
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