Infrared thermography for defect detection on aluminium-CFRP hybrid 3D structure

Fernandes, Henrique; Quirin, Steven; Schwarz, Michael; Herrmann, Hans–Georg

doi:10.21611/qirt.2020.067

Cited by 1 publication

(1 citation statement)

References 8 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Laureti et al [101] conducted a study of delamination detection of glass/silicon composites using active infrared thermography and ultrasound examination, and it was demonstrated that the modulated frequency chirped signal and pulse compression can successfully be utilized for delamination detection. Fernandes et al [102,103] conducted a defect detection study of a 3-dimensional hybrid composite structure using infrared thermography. They also presented a technique for the experimental analysis of composites by presenting thermography with a mixture of optical-mechanical excitation.…”

Section: Active Thermography For Enhanced Detectabilitymentioning

confidence: 99%

Latest Advances in Common Signal Processing of Pulsed Thermography for Enhanced Detectability: A Review

2021

View full text Add to dashboard Cite

Non-destructive testing (NDT) is a broad group of testing and analysis techniques used in science and industry to evaluate the properties of a material, structure, or system for characteristic defects and discontinuities without causing damage. Recently, infrared thermography is one of the most promising technologies as it can inspect a large area quickly using a non-contact and non-destructive method. Moreover, thermography testing has proved to be a valuable approach for non-destructive testing and evaluation of structural stability of materials. Pulsed thermography is one of the active thermography technologies that utilizes external energy heating. However, due to the non-uniform heating, lateral heat diffusion, environmental noise, and limited parameters of the thermal imaging system, there are some difficulties in detecting and characterizing defects. In order to improve this limitation, various signal processing techniques have been developed through many previous studies. This review presents the latest advances and exhaustive summary of representative signal processing techniques used in pulsed thermography according to physical principles and thermal excitation sources. First, the basic concept of infrared thermography non-destructive testing is introduced. Next, the principle of conventional pulsed thermography and signal processing technologies for non-destructive testing are reviewed. Then, we review advances and recent advances in each signal processing. Finally, the latest research trends are reviewed.

show abstract

Section: Active Thermography For Enhanced Detectabilitymentioning

confidence: 99%