Results 31 to 40 of about 4,730,238 (111)

Advances in magnetic flux leakage testing technology

Journal of Measurement Science and Instrumentation, 2021
Magnetic flux leakage（MFL） testing technology has the advantages of simple principle, easy engineering implementation and low requirements on the surface of the detected workpiece.
ZHANG Peng, WEI Minghui, GUO Zhiyong, LIU Zhongxiang   +3 more
doaj  

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

Numerical analysis and experimental research on detection of welding defects in pipelines based on magnetic flux leakage

Petroleum Research, 2023
Regular inspection of long-distance oil and gas pipelines plays an important role in ensuring the safe transportation of oil and gas, and inspection on welding defects is an important part of the inspection process.
Changsheng Zhang, Jinpeng Bi, Yuexia Lv, Mengli Li, Yongying Qi, Kai Zhou, Ming Zhang, Tingting Du   +7 more
doaj   +1 more source

Nondestructive testing systems with magnetic flux leakage (MFL)

, 2016
Paper P100, 1 S.Ferromagnetic components used in mechanical, automotive and civil engineering are mostly subject to high mechanical loads. Cracks, which may form during manufacture or in use, may lead to a complete failure of the component in the worst ...
Kurz, Jochen Horst, Tschuncky, Ralf, Szielasko, Klaus, Youssef, Sargon   +3 more
core   +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

Numerical simulation on magnetic flux leakage testing at high speed

High-speed non-destructive inspection (NDI) systems using magnetic flux leakage method (MFL) is in great demand in online metal inspection and defect characterisation, especially in pipeline and rail track inspection.
Tian GY, Li Y, Ward S
core   +5 more sources

Parametric design methodology for yoke-magnetization in magnetic flux leakage detection systems

Results in Engineering
Magnetic flux leakage (MFL) testing is a widely employed non-destructive testing (NDT) method, particularly for ferromagnetic materials. This paper proposes a systematic design procedure for the yoke-magnetization component in MFL systems utilizing ...
Quoc Minh Lam, Van Tu Duong, Hoang Long Phan, Tan Tien Nguyen, Huy Hung Nguyen   +4 more
doaj   +1 more source

3D Finite Element Analysis for Magnetic Flux Leakage Testing

, 2011
Magnetic flux leakage (MFL) is a non-destructive testing method used to inspect ferrous materials. However, apparatus parameters could affect the MFL inspection tool’s ability to characterize anomalies.
Qiang Song
core   +1 more source

The physical properties of magnetic inks [PDF]

, 1988
The magnetic particle inspection (MPI) method is a widely used non destructive testing (NDT) technique for ferrous structures. Magnetic inks used in MPI are suspensions of fine ferro/ferrimagnetic particles which, when applied to a magnetized test ...
McCoy, J.M, McCoy, James Martin
core  

Application of Variational Mode Decomposition and k-Nearest Neighbor Algorithm in the Quantitative Nondestructive Testing of Wire Ropes

Shock and Vibration, 2019
In this paper, we present a nondestructive testing device for wire rope by unsaturated magnetic excitation as an alternative to existing magnetic flux leakage (MFL) detection devices.
Pengbo Zheng, Juwei Zhang
doaj   +1 more source