Results 41 to 50 of about 6,938 (253)

Improvement the temperature signal filtering in lock-in thermography

MATEC Web of Conferences, 2018
At present, lock-in thermography is widely used non-destructive method for defects detection. The informative images in lock-in thermography (e.g. phasegram) are obtained after temperature signal filtering of the raw data.
Stoynova Anna, Bonev Borislav
doaj   +1 more source

Application of infrared thermography for estimating residual stress in ground anchors for maintenance

Scientific Reports, 2023
Characterizing the integrity of ground anchors is essential for examining their usability in the maintenance of soil structure. However, the lift-off test, which is generally used for this purpose, has limitations when applied to covering all installed ...
Dae-Hong Min, Byeong-su Jang, Hyung-Koo Yoon   +2 more
doaj   +1 more source

Sub-Surface Defect Depth Approximation in Cold Infrared Thermography

Sensors, 2022
Detection and characterisation of hidden corrosion are considered challenging yet crucial activities in many sensitive industrial plants where preventing the loss of containment or structural reliability are paramount.
Siavash Doshvarpassand, Xiangyu Wang
doaj   +1 more source

Qualitative Comparison of Lock-in Thermography (LIT) and Pulse Phase Thermography (PPT) in Mid-Wave and Long-Wave Infrared for the Inspection of Paintings

Applied Sciences, 2023
When studying paintings with active infrared thermography (IRT), minimizing the temperature fluctuations and thermal shock during a measurement becomes important.
Michaël Hillen, Seppe Sels, Bart Ribbens, Simon Verspeek, Koen Janssens, Geert Van der Snickt, Gunther Steenackers   +6 more
doaj   +1 more source

A comparative investigation for the nondestructive testing of honeycomb structures by holographic interferometry and infrared thermography [PDF]

, 2010
The nondestructive testing (NDT) of honeycomb sandwich structures has been the subject of several studies. Classical techniques such as ultrasound testing and x-rays are commonly used to inspect these structures.
Ambrosini, D, Genest, M, Avdelidis, P, N. P. AVDELIDIS, Ibarra-Castanedo, C, A. ANASTASSOPOULOUS, A. BENDADA, Tsimogiannis, A, Sfarra, S, L. BOUCHAGIER, Kourousis, D, Paoletti, D, S. SFARRA, Maldague, X, AMBROSINI, DARIO, X. MALDAGUE, Bouchagier, L, A. TSIMOGIANNIS, Bendada, A, PAOLETTI, Domenica, Anastassopoulous, A, C. IBARRA CASTANEDO, M. GENEST, D. KOUROUSIS   +23 more
core   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

Advanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara, Vincent Rat, Quentin Dubreuil, Patrice Valorge, Simon Goutier, Alain Denoirjean, Olivier Messe, Céline Ruelle, Jean‐Philippe Poli   +8 more
wiley   +1 more source

Brief Review of Vibrothermography and Optical Thermography for Defect Quantification in CFRP Material

Sensors
Quantifying defects in carbon-fiber-reinforced polymer (CFRP) composites is crucial for ensuring quality control and structural integrity. Among non-destructive evaluation techniques, thermography has emerged as a promising solution for defect detection ...
Zulham Hidayat, Nicolas P. Avdelidis, Henrique Fernandes   +2 more
doaj   +1 more source

Machine Learning‐Assisted Inverse Design of Soft and Multifunctional Hybrid Liquid Metal Composites

Advanced Functional Materials, EarlyView.
A machine learning framework is presented for inverse design of synthesizable multifunctional composites containing both liquid metal and solid inclusions. By integrating physics‐based modeling, data‐driven prediction, and Bayesian optimization, the approach enables intelligent design of experiments to identify optimal compositions and realize these ...
Lijun Zhou, Yunsik Ohm, Ren‐Mian Chin, Olivia Kerr, Krithika Manohar, Mohammad H. Malakooti   +5 more
wiley   +1 more source

Review of Thermally Activated Twisted Coiled Polymer Actuators: A Materials Science Perspective

Advanced Functional Materials, EarlyView.
Thermally activated twisted and coiled polymer actuators (TCPAs) combine lightweight design, large deformation, and scalable fabrication for soft robotic and wearable applications. This review connects polymer structure, processing history, helix geometry, and thermomechanical characterization to actuator performance, highlighting current challenges in
Nadja Schenk, Lukas Benecke, Chokri Cherif, Johannes Mersch   +3 more
wiley   +1 more source

Investigation of delamination in carbon fiber reinforced plastic by means of pulse thermography, shearography and active thermography [PDF]

Proceedings of Meetings on Acoustics, 2019
Carbon fiber reinforced polymer is a material widely used nowadays in different application areas. All sectors, especially the aeronautics industry, demand components of high mechanical performance, but also with high durability and reliability, hence the need for advanced health assessing methods and to monitor the integrity of the components ...
Seresini, Tommaso, Yuan, Peilong, Grüber, Jürgen, Mayr, Günther, Burgholzer, Peter, Pecoriello, Luca, Pfeiffer, Helge, Wevers, Martine, Glorieux, Christ   +8 more
openaire   +1 more source