Results 41 to 50 of about 1,414,688 (255)

Dynamic Line-Scan Thermography for the Inspection of Paper-Based Materials: A Case Study Focused on an Ancient Book Cover

Proceedings, 2019
This work is focused on the use of line-scan thermography (LST) method for the inspection of an ancient book cover. Three widely used image post-processing techniques (i.e., pulsed phase thermography, partial least square thermography and principal ...
Hai Zhang, Stefano Sfarra, Clemente Ibarra-Castanedo, Xavier P. V. Maldague   +3 more
doaj   +1 more source

Tomographic Reconstruction of Rolling Contact Fatigues in Rails Using 3D Eddy Current Pulsed Thermography

IEEE Sensors Journal, 2021
The detection and quantification of the rolling contact fatigue (RCF) in rail tracks are essential for rail safety and condition-based maintenance. The tomographic reconstruction of the rolling contact fatigue is challenging work.
Xiaotian Chen, Guiyun Tian, S. Ding, Junaid Ahmed, Wai Lok Woo   +4 more
semanticscholar   +1 more source

A Novel Infrared Thermography Sensing Approach for Rapid, Quantitative Assessment of Damage in Aircraft Composites

Sensors, 2020
The current necessity of the scientific and industrial community, for reduction of aircraft maintenance cost and duration, prioritizes the need for development of innovative nondestructive techniques enabling fast and reliable defect detection on ...
Spyridoula Farmaki, Dimitrios A. Exarchos, Ilias K. Tragazikis, Theodore E. Matikas, Konstantinos G. Dassios   +4 more
doaj   +1 more source

Spatial Structure Analysis for Subsurface Defect Detection in Materials Using Active Infrared Thermography and Adaptive Fixed-Rank Kriging

Engineering Proceedings, 2023
The study focuses on reducing noise and nonstationary backgrounds in data collected through active infrared thermography (AIRT) for defect detection in materials.
Chun-Han Chang, Stefano Sfarra, Nan-Jung Hsu, Yuan Yao   +3 more
doaj   +1 more source

A confidence map based damage assessment approach using pulsed thermographic inspection [PDF]

, 2017
In the context of non-destructive testing, quantification of uncertainty caused by various factors such as inspection technique, testing environment and the operator is important and challenge.
Addepalli, Adisorn Sirikham, Altman, Annis, Duan, Duan, Favro, Gros, Junyan, Kessler, Krapez, Lane, Lau, Maldague, Maldague, Martin, Meola, Minkina, Pilla, Rajkumar Roy, Shepard, Sri Addepalli, Sun, Vavilov, Vavilov, Yifan Zhao, Zeng, Zhao, Zhao   +28 more
core   +2 more sources

A Quantitative Comparison Among Different Algorithms for Defects Detection on Aluminum with the Pulsed Thermography Technique

Metals, 2018
Pulsed thermography is commonly used as a non-destructive technique for evaluating defects within materials and components. In the last few years, many algorithms have been developed with the aim to detect defects and different methods have been used for
Ester D’Accardi, Davide Palumbo, Rosanna Tamborrino, Umberto Galietti   +3 more
doaj   +1 more source

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

, 2016
Electromagnetic mechanism of Joule heating and thermal conduction on conductive material characterization broadens their scope for implementation in real thermography based Nondestructive testing and evaluation (NDT&E) systems by imparting sensitivity ...
Gao, Bin, Tian, Gui Yun, Woo, Wai Lok
core   +2 more sources

Pattern Recognition of Barely Visible Impact Damage in Carbon Composites Using Pulsed Thermography

IEEE Transactions on Industrial Informatics, 2022
This article proposes a novel framework to characterize the morphological pattern of barely visible impact damage using machine learning. Initially, a sequence of image processing methods is introduced to extract the damage contour, which is then ...
Jia Zhou, Weixiang Du, Lichao Yang, Kailun Deng, Sri Addepalli, Yifan Zhao   +5 more
semanticscholar   +1 more source

Mechanical performance of composite bonded joints in the presence of localised process-induced zero-thickness defects [PDF]

, 2018
Processing parameters and environmental conditions can introduce variation into the performance of adhesively bonded joints. The effect of such variation on the mechanical performance of the joints is not well understood.
Addepalli, S., Ayre, D., Stratakis, D., Yazdani Nezhad, H., Zhao, Y.   +4 more
core   +2 more sources

Autonomous systems thermographic NDT of composite structures [PDF]

, 2019
Transient thermography is a method used successfully in the evaluation of composite materials and aerospace structures. It has the capacity to deliver both qualitative and quantitative results about hidden defects or features in a composite structure ...
Avdelidis, N. P., Deane, S., Ibarra-Castanedo, C., Maldague, X. P. V., Tsourdos, A., Tzitzilonis, V., Williamson, A., Yazdani Nezhad, H., Zhang, H.   +8 more
core   +2 more sources