Results 11 to 20 of about 6,038 (254)

Research on Detection Mechanism of Weld Defects of Carbon Steel Plate Based on Orthogonal Axial Eddy Current Probe [PDF]

open access: yesSensors, 2020
The uneven surface of the weld seam makes eddy current testing more susceptible to the lift-off effect of the probe. Therefore, the defect of carbon steel plate welds has always been a difficult problem in eddy current testing. This study aimed to design
Linnan Huang   +5 more
doaj   +4 more sources

Design and Performance Research of a New Dual-Excitation Uniform Eddy Current Probe [PDF]

open access: yesSensors, 2022
A dual-excitation uniform eddy current probe, composed of two excitation coils placed tangentially and one detection coil placed horizontally, is developed to solve the difficulties of detection rate and direction recognition of crack defect.
Tao Chen   +6 more
doaj   +2 more sources

Comparison of Inspecting Non-Ferromagnetic and Ferromagnetic Metals Using Velocity Induced Eddy Current Probe [PDF]

open access: yesSensors, 2018
A velocity induced eddy current probe has been used to detect cracks in both non-ferromagnetic and ferromagnetic metals. The simulation and experimental results show that this probe can successfully detect cracks in both cases, but further investigation ...
Bo Feng   +3 more
doaj   +2 more sources

The interaction efficiency evaluation between defect and eddy current induced by different exciting coils of planar eddy current probe

open access: yesMeasurement + Control, 2020
This paper presents a quantitative evaluation index efficiency of eddy current and defect interaction to evaluate the eddy current distribution induced by different planar eddy current probe.
Jianhua Li   +4 more
doaj   +2 more sources

Research on the Influence of Geometric Structure Parameters of Eddy Current Testing Probe on Sensor Resolution

open access: yesSensors, 2023
To study the influence of the geometric structure of the probe coil on the electromagnetic characteristics of the eddy current probe in the process of eddy current testing, based on the principle of eddy current testing, different probe coil models were ...
Mengmeng Song   +3 more
doaj   +3 more sources

High-Resolution Spatiotemporal-Coded Differential Eddy-Current Array Probe for Defect Detection in Metal Substrates [PDF]

open access: yesSensors
To address the problems of weak geometric features, low signal response amplitude, and insufficient spatial resolvability of near-surface defects in metal substrates, a high-resolution spatiotemporal-coded eddy-current array probe is proposed.
Qi Ouyang, Yuke Meng, Lun Huang, Yun Li
doaj   +2 more sources

A Novel Rotational Field Eddy Current Planar Probe with Two-Circular Sector Pickup Coils

open access: yesSensors, 2019
A new rotational field planar eddy current probe is proposed. The probe is combined with two orthogonal driver traces and a pickup coil that includes two-circular sector windings with series connection.
Guolong Chen   +6 more
doaj   +3 more sources

Design and Analysis of Differential Compensated Eddy Current Displacement Sensors [PDF]

open access: yesSensors
The traditional eddy current displacement sensor is limited by the diameter of the probe coil, and the measuring range is relatively small. In order to improve the range of an eddy current displacement sensor, a differential compensated eddy current ...
Yuliang Bian, Kun Zhang, Tiehua Ma
doaj   +2 more sources

The use of a two-frequency eddy current method for measuring the electrically conductive wall thickness under significant variations in the test parameter and the lift-off [PDF]

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2022
The paper addresses the problem of eddy current testing of the wall thickness of light-alloy drill pipes under significant variations in both the test and the influence parameter of the test object – the lift-off between the eddy current probe and the ...
A.E. Гольдштейн   +1 more
doaj   +2 more sources

Eddy Currents Probe Design for NDT Applications: A Review

open access: yesSensors
Eddy current testing (ECT) is a crucial non-destructive testing (NDT) technique extensively used across various industries to detect surface and sub-surface defects in conductive materials.
Miguel A. Machado
doaj   +3 more sources

Home - About - Disclaimer - Privacy