Results 21 to 30 of about 8,436 (263)
Advanced Electromagnetics, 2022 The purpose of this paper is to present a new giant magnetoresistance (GMR) sensor, in eddy current testing technique for surface defect detection, in conducting materials, we show that the GMR based eddy currents probe is more sensitive than the ...
D. R. Touil +4 more
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Surface Eddy Current Probes: Excitation Systems of the Optimal Electromagnetic Field (Review)
Приборы и методы измерений, 2020 Development of technical tools with improved metrological and operational characteristics is the actual problem of the eddy current testing. Ensuring the optimal distribution of the electromagnetic excitation field in the testing zone carries out ...
V. Ya. Halchenko +2 more
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Modelling and Test of an Integrated Magnetic Spring-Eddy Current Damper for Space Applications [PDF]
Actuators, 2021 We present the design, manufacturing, and dynamical characterization of a mechanical suspension made by a passive magnetic spring and an eddy current damper integrated into a single device. Three configurations with 2, 3, and 4 permanent magnets axially distributed with opposite polarizations are designed, simulated, manufactured, and tested. Stiffness
Efren Diez-Jimenez +3 more
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Construct Coil Probe Using GMR Sensor for Eddy Current Testing
MATEC Web of Conferences, 2018 Eddy current testing is a widely applied non-destructive technique in different sections of industries. Nowadays eddy current testing is an accurate, widely used and well-understood inspection technique, particularly in the aircraft and nuclear ...
Faraj Moneer A +4 more
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Electromagnetic material characteristics of steel grades used in continuous hot-dip galvanization and their impact on the coating thickness estimation bias in eddy current testing [PDF]
AIP AdvancesPrecise determination of coating thickness of metallic-coated steel sheets is essential for various industrial applications. This study explores the parameter estimation of hot-dip galvanized steel by an eddy current testing method, employing a multi ...
M. Koll +8 more
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Numerical Analysis of Pulsed Eddy Current Testing for Erosion Defects of High-pressure Manifold
Shiyou jixie, 2023 In fracturing operation, erosional damage easily occurs in high-pressure manifold running for a long time under bad working conditions, and the online testing of high-pressure manifold is particularly important to ensure safe production.Based on pulsed ...
Li Jie +4 more
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IEEE Access, 2023 Quantitative evaluation of defects is an important research topic in non-destructive testing. In this paper, a quantitative evaluation method for the shape of metal surface defects based on alternating current field measurement technology is proposed ...
Zhiqiang Song, Rongxi Hou, Feng Jiang
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Pipe Crack Recognition Based on Eddy Current NDT and 2D Impedance Characteristics
Applied Sciences, 2019 Girth weld cracking of long-distance oil and gas pipelines yields substantial harm to pipeline safety and may cause serious accidents. As of today, non-destructive testing has been one of the most common methods for predicting potential faults and ...
Lianshuang Dai +5 more
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Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To explore how cerebral hypoxia and Normal‐Appearing White Matter (NAWM) integrity affect MS lesion burden and clinical course. Methods Seventy‐nine MS patients, including 13 clinically isolated syndrome (CIS) patients and 66 relapsing–remitting multiple sclerosis (RRMS) patients, and 44 healthy controls (HCs) were recruited from ...
Xinli Wang +8 more
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Pipeline External Defect Detection Based on Magnetically Focused Eddy Current Testing System
Applied SciencesEddy current internal inspection technology has been extensively studied and applied in industrial environments such as oil and gas pipelines. Typically, the penetration depth of eddy current testing in ferromagnetic pipes is reduced compared to non ...
Zihao Gao, Huaguang Zhang
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