Repeatability study of flash-pulse thermographic inspection of carbon-fiber composite samples

M Švantner, L Muzika, A Moskovchenko… - Infrared Physics & …, 2022 - Elsevier
Thermographic flash-pulse inspection is a popular technique of non-destructive testing
(NDT) of carbon-fiber composites. Despite of an automation of the NDT methods, most of …

Thermographic inspection of internal defects in steel structures: analysis of signal processing techniques in pulsed thermography

Y Chung, R Shrestha, S Lee, W Kim - Sensors, 2020 - mdpi.com
This study performed an experimental investigation on pulsed thermography to detect
internal defects, the major degradation phenomena in several structures of the secondary …

Full factorial analysis of the accuracy of automated quantification of hidden defects in an anisotropic carbon fibre reinforced composite shell using pulse phase …

V Popow, M Gurka - NDT & E International, 2020 - Elsevier
Infrared thermography (IRT) allows fast and cost-effective inspection of large structures
made of carbon fibre reinforced polymer (CFRP) which must be checked for structural …

Long pulse thermography investigations of basalt fiber reinforced composite

V Kalyanavalli, TKA Ramadhas, D Sastikumar - NDT & E International, 2018 - Elsevier
The long pulse thermography is a suitable technique for detection and quantification of
defects in low thermal conducting materials, especially for composites. Basalt fiber …

Inverse reconstruction of fibre orientation in multilayer CFRP using forward FEM and eddy current pulsed thermography

Q Yi, GY Tian, H Malekmohammadi, S Laureti… - NDT & E …, 2021 - Elsevier
Eddy current pulsed thermography (ECPT) is an effective non-destructive testing technique
for evaluating the integrity and safe operation of conductive composite components such as …

Accurate depth determination of defects in composite materials using pulsed thermography

Y Wei, S Zhang, Y Luo, L Ding, D Zhang - Composite Structures, 2021 - Elsevier
The determination of defect depth is one of the important advantages of pulsed
thermography. The existing methods for depth estimation in pulsed thermography are …

Laboratory validation of in-pipe pulsed thermography in the rapid assessment of external pipe wall thinning in buried metallic utilities

S Yu, WW Chung, TC Lau, WW Lai, JFC Sham… - NDT & E …, 2023 - Elsevier
This study characterized the in-pipe thermal signature of external pipewall thinning in steel
pipes, a common problem that is caused by external corrosion in hostile underground …

Detectability of delamination in concrete structure using active infrared thermography in terms of signal-to-noise ratio

J Huh, VH Mac, QH Tran, KY Lee, JI Lee, C Kang - Applied Sciences, 2018 - mdpi.com
Detecting subsurface delamination is a difficult and vital task to maintain the durability and
serviceability of concrete structure for its whole life cycle. The aim of this work was to obtain …

Open cracks depth sizing by multi-frequency laser stimulated lock-in thermography combined with image processing

S Beuve, Z Qin, JP Roger, S Holé, C Boué - Sensors and Actuators A …, 2016 - Elsevier
The multi-frequency lock-in thermography is coupled with efficient image processing to
analyse infrared open crack footprint. It has been shown that the evolution of the Laplacian …

3D thermal tomography with experimental measurement data

JM Toivanen, T Tarvainen, JMJ Huttunen… - International Journal of …, 2014 - Elsevier
In this paper, feasibility of thermal tomography is tested using experimental measurement
data. In the measurement setup, target volume is sequentially heated at different source …