Results 11 to 20 of about 2,322 (247)

Parameter Identification and Transition Process Online Calibration Method of Pulsed Eddy Current Receiving Coil Based on Underdamped Dynamic Response Characteristics [PDF]

open access: yesSensors
In order to solve the problem that the system parameters will be offset during the detection process of the pulsed eddy current receiving coil, this paper first analyzes the response signal of the receiving system and the deconvolution process of the ...
Zhiwu Zeng   +10 more
doaj   +2 more sources

Multi-Modal Joint Pulsed Eddy Current Sensor Signal Denoising Method Integrating Inductive Disturbance Mechanism [PDF]

open access: yesSensors
Pulsed eddy current (PEC) testing technology has been widely used in the field of non-destructive testing of metal grounding structures due to its wide-band excitation and response characteristics.
Yun Zuo   +11 more
doaj   +2 more sources

Improvement of Defect Feature Extraction in Eddy Current Pulsed Thermography [PDF]

open access: yesIEEE Access, 2019
Defect inspection based on eddy current pulsed thermography (ECPT) technique is a research focus in non-destructive testing (NDT) area. In this paper, a novel defect feature extraction approach for automated defect analyzing based on ECPT has been ...
Peipei Zhu, Lulu Tian, Yuhua Cheng
doaj   +2 more sources

Non-Contact Degradation Evaluation for IGBT Modules Using Eddy Current Pulsed Thermography Approach

open access: yesEnergies, 2020
In this paper, a non-contact degradation evaluation method for insulated gate bipolar transistor (IGBT) modules is proposed based on eddy current pulsed thermography approach.
Haoze Luo, Wuhua Li, Gui Yun Tian
exaly   +3 more sources

Research on geometric parameter quantification of rail rolling contact fatigue crack damage based on 2D optical image [PDF]

open access: yesScientific Reports
High-speed railway is a comprehensive carrier of high-technology. As an important infrastructure of high - speed rail tracks, rail breakage and derailment accidents caused by rail rolling contact fatigue crack damage are quite common.
Yu Wang   +3 more
doaj   +2 more sources

Eddy Current Pulsed Thermography with Different Excitation Configurations for Metallic Material and Defect Characterization

open access: yesSensors, 2016
This paper reviews recent developments of eddy current pulsed thermography (ECPT) for material characterization and nondestructive evaluation (NDE). Due to the fact that line-coil-based ECPT, with the limitation of non-uniform heating and a restricted ...
Bin Gao, Yunlai Gao, Kongjing Li
exaly   +3 more sources

Research on Defects Inspection of Solder Balls Based on Eddy Current Pulsed Thermography

open access: yesSensors, 2015
In order to solve tiny defect detection for solder balls in high-density flip-chip, this paper proposed feasibility study on the effect of detectability as well as classification based on eddy current pulsed thermography (ECPT).
Gui Yun Tian, Yizhe Wang, Tian Guiyun
exaly   +3 more sources

Pulsed eddy currents in ferromagnetic pipes with cladding in nuclear power plants

open access: yesEnergy Reports, 2022
The steam and water piping in a nuclear power plant is generally covered with cladding on the outer wall of the pipes, thereby improving heat transfer efficiency.
Yang Han   +4 more
doaj   +1 more source

СТРУМИ ТА ЕЛЕКТРОМАГНІТНІ ЗУСИЛЛЯ В СИСТЕМАХ МАГНІТНО-ІМПУЛЬСНОЇ ОБРОБКИ З ФЕРОМАГНІТНОЮ ПЛАТФОРМОЮ

open access: yesПраці Інституту електродинаміки Національної академії наук України, 2022
The action of high-density pulsed currents (109 A/m2) leads to the appearance of the electro-plastic effect in metal products. It is proposed to use magnetic pulse treatment of nonmagnetic plates by electromagnetic inductors with a U-shaped magnetic ...
І.П. Кондратенко   +2 more
doaj   +1 more source

Research on residual wall thickness inversion of oil and gas pipelinewith cladding based on support vector machine

open access: yesYou-qi chuyun, 2021
The oil and gas pipelines in the oil field are usually equipped with a layer of cladding in certain thickness, and the pulsed eddy current testing technology can be adopted to measure the wall thickness without removing the cladding, which saves a lot of
Xianfeng HAO   +4 more
doaj   +1 more source

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