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Defect Automatic Identification of Eddy Current Pulsed Thermography

Kai Chen, Libing Bai, Yifan Chen, Yuhua Cheng, Shulin Tian, Peipei Zhu
2014 Journal of Sensors  
Eddy current pulsed thermography (ECPT) is an effective nondestructive testing and evaluation (NDT&E) technique, and has been applied for a wide range of conductive materials.  ...  In addition, the independent component analysis (ICA) is also applied to automatically identify defect patterns and quantify the defects.  ...  Acknowledgments This paper is supported by "the Fundamental Research Funds for the Central Universities" (ZYGX2012YB029) and "the National Natural Science Foundation of China" (Grant nos. 61102141 and  ... 
doi:10.1155/2014/326316 fatcat:yvphm5lftzb4tnfewfeyra7v3i

Detection of Fatigue Microcrack Using Eddy Current Pulsed Thermography

Xiang Zhang, Jianping Peng, Luquan Du, Jie Bai, Lingfan Feng, Jianqiang Guo, Xiaorong Gao, Bin Gao
2021 Journal of Sensors  
In this paper, specimens with different fatigue microcracks were detected by eddy current pulsed thermography (ECPT).  ...  Microcracks are a common metallic defect, resulting in degradation of material properties.  ...  Conclusion In this paper, eddy current pulsed thermography was investigated to observe fatigue microcracks.  ... 
doi:10.1155/2021/6647939 fatcat:e5uykw4o2jdghej5dhio5k7u5a

A Review of the Radio Frequency Non-destructive Testing for Carbon-fibre Composites

Zhen Li, Zhaozong Meng
2016 Measurement Science Review  
Then, the well-established RF NDT including eddy current technique, microwave technique and RF-based thermography are well categorised into four types (i.e. electromagnetic induction, resonance, RF-based  ...  thermography and RF wave propagation) and demonstrated in detail.  ...  ACKNOWLEDGMENT This work was financially supported by Dean's Doctoral Scholar Award of School of Materials, The University of Manchester. The first author would like to thank Prof.  ... 
doi:10.1515/msr-2016-0010 fatcat:x3rcy35awfbathj3mu2mriwcxu

Electromagnetic Thermography Nondestructive Evaluation: Physics-based Modeling and Pattern Mining

Bin Gao, Wai Lok Woo, Gui Yun Tian
2016 Scientific Reports  
This is a significant step towards realizing the deeper insight in electromagnetic thermography (EMT) and automatic defect identification.  ...  Electromagnetic thermography (EMT) 6-15 which combines eddy current (EC), magnetic and thermography, and involves the application for a short period of a high current electromagnetic pulse to the conductive  ...  eddy current density.  ... 
doi:10.1038/srep25480 pmid:27158061 pmcid:PMC4860578 fatcat:xjojaexghnhvnpdfw57jom2aku

Transient-spatial pattern mining of eddy current pulsed thermography using wavelet transform

Hailong Yang, Bin Gao, Guiyun Tian, Wenwei Ren, Wai Lok Woo
2014 Chinese Journal of Mechanical Engineering  
Eddy current pulsed thermography(ECPT) is an emerging Non-destructive testing and evaluation(NDT & E) technique, which uses hybrid eddy current and thermography NDT & E techniques that enhances the detectability  ...  Currently, this technique is limited by the manual selection of proper contrast frames and the issue of improving the efficiency of defect detection of complex structure samples remains a challenge.  ...  Eddy current pulsed thermography(ECPT) is an emerging NDT & E technique, which combine eddy current and thermography NDT & E techniques that enhance the detectability from their compensation [13] [14]  ... 
doi:10.3901/cjme.2014.0526.100 fatcat:gox44gm6xzbmjhwyhhrhqm5iuq

Physics-Based Image Segmentation Using First Order Statistical Properties and Genetic Algorithm for Inductive Thermography Imaging

Bin Gao, Xiaoqing Li, Wai Lok Woo, Gui yun Tian
2018 IEEE Transactions on Image Processing  
Eddy Current Pulsed Thermography (ECPT) will be implemented as a platform to demonstrate surface crack detection.  ...  To attain a high level performance, specific physics-based models that describe defects generation and enable the precise extraction of target region are of crucial importance.  ...  U1430115) and EPSRC IAA Phase 2 funded project: "3D super-fast and portable eddy current pulsed thermography for railway inspection" (EP/K503885/1).  ... 
doi:10.1109/tip.2017.2783627 pmid:29432098 fatcat:5worcrfkhzgnzjvauha6tlt6tq

Recent Advances in Active Infrared Thermography for Non-Destructive Testing of Aerospace Components

Francesco Ciampa, Pooya Mahmoodi, Fulvio Pinto, Michele Meo
2018 Sensors  
These include ultrasonic stimulated thermography, which uses ultrasonic waves and the local damage resonance effect to enhance the reliability and sensitivity to micro-cracks, eddy current stimulated thermography  ...  , which uses cost-effective eddy current excitation to generate induction heating, and microwave thermography, which uses electromagnetic radiation at the microwave frequency bands to provide rapid detection  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s18020609 pmid:29462953 pmcid:PMC5856039 fatcat:em5dsnwtnng7rixg4ypdzm3uby

A Review of Microwave Thermography Nondestructive Testing and Evaluation

Hong Zhang, Ruizhen Yang, Yunze He, Ali Foudazi, Liang Cheng, Guiyun Tian
2017 Sensors  
Different types of MWT, including microwave pulsed thermography, microwave step thermography, microwave pulsed phase thermography, and microwave lock-in thermography are defined and introduced.  ...  Finally, the trends in MWT research are outlined, including new theoretical studies, simulations and modelling, signal processing algorithms, internal properties characterization, automatic separation  ...  Conflicts of Interest: The authors declare no conflict of interest. Abbreviations AHT Abnormal heating thermography ANN  ... 
doi:10.3390/s17051123 pmid:28505130 pmcid:PMC5470799 fatcat:nditfeo2nzbwveewdko33f4aju

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

Xingliang Liu, Guiyun Tian, Yu Chen, Haoze Luo, Jian Zhang, Wuhua Li
2020 Energies  
Firstly, the non-destructive evaluation principle of the eddy current pulsed thermography (ECPT) system for an IGBT module with a heat sink is introduced.  ...  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.  ...  Conflicts of Interest: The authors declare no conflict of interest. Energies 2020, 13, 2613  ... 
doi:10.3390/en13102613 fatcat:5mexhxuafbf6le524627cnpani

Multi-Wave and Hybrid Imaging Techniques: A New Direction for Nondestructive Testing and Structural Health Monitoring

Yuhua Cheng, Yiming Deng, Jing Cao, Xin Xiong, Libing Bai, Zhaojun Li
2013 Sensors  
A new direction for assessment and health monitoring of various structures by capitalizing the advantages of those imaging methods was discussed.  ...  In this article, the state-of-the-art multi-wave and hybrid imaging techniques in the field of nondestructive evaluation and structural health monitoring were comprehensively reviewed.  ...  Acknowledgments This work is supported by the National Natural Science Foundation of China (Grant No. 61102141).  ... 
doi:10.3390/s131216146 pmid:24287536 pmcid:PMC3892881 fatcat:wgwahtw4czdaxpjhqzw7acpap4

A Review of Optical NDT Technologies

Yong-Kai Zhu, Gui-Yun Tian, Rong-Sheng Lu, Hong Zhang
2011 Sensors  
This paper provides a review of the main optical NDT technologies, including fibre optics, electronic speckle, infrared thermography, endoscopic and terahertz technology.  ...  Among them, fibre optics features easy integration and embedding, electronic speckle focuses on whole-field high precision detection, infrared thermography has unique advantages for tests of combined materials  ...  The configuration of a pulsed eddy current thermography system, shown in Figure 16 is very simple and consists of an induction heating system which induces eddy currents in the sample under inspection  ... 
doi:10.3390/s110807773 pmid:22164045 pmcid:PMC3231750 fatcat:tsiu5ml25beqzf7ahhrrdwvkiq

Current Trends in Integration of Nondestructive Testing Methods for Engineered Materials Testing

Ramesh Kumpati, Wojciech Skarka, Sunith Kumar Ontipuli
2021 Sensors  
Additionally, the various combinations of methods applied for several types of material defects are reported.  ...  The ultimate goal of this review paper is to explain advanced nondestructive testing (NDT) techniques/tests, which are comprised of notable research work reporting evolved affordable systems with fast,  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s21186175 pmid:34577382 fatcat:3bxkic57yzernpylzxj7ofdybu

A novel approach for the autonomous inspection and repair of aircraft composite structures

Iain Gray, Janardhan Padiyar, Ivan Petrunin, Joao Raposo, Luca Zanotti Fragonara, Vasillis Kostoupolos, Theodoros Loutas, Spyridon Psarras, George Sotiriadis, Vasillis Tzitzilonis, Kostantinos Dassios, Dimitris Exarchos (+3 others)
2018 Zenodo  
Development of a novel thermographic technique termed Pulsed Phase-informed Lock-In Thermography, enables for the first time the rapid and quantitative assessment of damage in the materials.  ...  This will provide the information needed for an automatic laser repair procedure capable of removing precisely ply-by-ply the material.  ...  It must be noted that the excitation source can be of any type including lamps, microwaves, ultrasounds o Eddy currents.  ... 
doi:10.5281/zenodo.4399134 fatcat:hfda36mgeneurnjxzpo3xie5yy

Pattern Deep Region Learning for Crack Detection in Thermography Diagnosis System

Jue Hu, Weiping Xu, Bin Gao, Gui Tian, Yizhe Wang, Yingchun Wu, Ying Yin, Juan Chen
2018 Metals  
Eddy Current Pulsed Thermography is a crucial non-destructive testing technology which has a rapidly increasing range of applications for crack detection on metals.  ...  Experiments on both artificial and natural cracks have shown attractive performance and verified the efficacy of the proposed structure.  ...  Acknowledgments: The work was supported by Science and Technology Department of Sichuan, China (Grant No. 2018JY0655and EPSRC IAA Phase 2 funded project: "3D super-fast and portable eddy current pulsed  ... 
doi:10.3390/met8080612 fatcat:2ph7zgkqe5bnrjeo3mv6ukrtqq

Quantitative Detection of Cracks in Steel Using Eddy Current Pulsed Thermography

Zhanqun Shi, Xiaoyu Xu, Jiaojiao Ma, Dong Zhen, Hao Zhang
2018 Sensors  
In this study, eddy current pulsed thermography (ECPT) was applied for quantitative crack detection based on derivative analysis of temperature variation.  ...  Various nondestructive testing methods have been investigated for crack detection; however, most current methods focus on qualitative crack identification and image processing.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s18041070 pmid:29614841 pmcid:PMC5948618 fatcat:u6d65o5mzzgxhomndrny4lbgbe
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