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Gui Yun Tian
Researcher at Newcastle University
Publications - 508
Citations - 14615
Gui Yun Tian is an academic researcher from Newcastle University. The author has contributed to research in topics: Nondestructive testing & Eddy current. The author has an hindex of 56, co-authored 489 publications receiving 11308 citations. Previous affiliations of Gui Yun Tian include University of East Anglia & University of Derby.
Papers
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Elastic and plastic strain effects on eddy current response of aluminium alloys
TL;DR: In this paper, the correlation between elasto-plastic state of metallic components and their eddy current (EC) response was studied. But the results showed that the real part of EC response is sensitive mainly to elastic stress, with dependence being monotonic in the absence of strain hardening.
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Spatial-Frequency Spectrum Characteristics Analysis With Different Lift-Offs for Microwave Nondestructive Testing and Evaluation Using Itakura-Saito Nonnegative Matrix Factorization
TL;DR: In this article, a nonnegative matrix factorization (NVMF) based spatial-frequency feature extraction algorithm was proposed to detect defects at large lift-offs, with the potential of estimating the width and depth of defects, as well as classifying the different defect and nondefect areas.
Simulation of magnetic field distribution of excitation coil for EM flow meter and its validation using magnetic camera
TL;DR: In this article, a simulation model with the EM module of finite element analysis software, COMSOL, is built and experimental testing of the distribution of magnetic flux density is applied to verify its uniformity.
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Investigation of drag effect using the field signature method
TL;DR: In this article, a method to calculate the drag factors and eliminate its errors is proposed and presented, and theoretical analysis, simulation and experimental results show that the measurement accuracy can be improved by eliminating the errors caused by the drag effect.
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Nondestructive Evaluation of Early Contact Fatigue Using Eddy Current Pulsed Thermography
Jia Liu,Wenwei Ren,Gui Yun Tian,Bin Gao,Yizhe Wang,Jishan Zhang,Brian Shaw,Aijun Yin,Naomi Omoyeni King-Alale +8 more
TL;DR: In this paper, the authors proposed the thermooptical flow entropy tracking method to trace the heat flow and characterize the degree of fatigue damage while in this status no macrodefects appears using ECPT.