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- Title
DETECTION AND IDENTIFICATION OF DELAMINATION DEFECTS IN CFRP LAMINATES USING NON-LINEAR FREQUENCY-MODULATED INFRARED THERMAL WAVE TESTING TECHNOLOGY.
- Authors
Qing-Ju TANG; Cui-Zhu FENG; Zhi-Bo WANG; Hao-Dong LI
- Abstract
In the process of preparation and service, the carbon fiber reinforced polymer (CFRP) material is prone to defects such as delamination and inclusions, which seriously impact the normal use. In this paper, non-linear frequency-modulated (the logarithmic sweep) thermal excitation is used to carry out finite element simulation and experimental research. In order to investigate how different detection process parameters affect defects, the impact of different detection parameters on the surface temperature difference and contrast is analyzed, and the detection parameters that can quickly identify defects and have better recognition effect are obtained.
- Subjects
LAMINATED materials; SURFACE temperature; CARBON fibers
- Publication
Thermal Science, 2024, Vol 28, Issue 2A, p1127
- ISSN
0354-9836
- Publication type
Article
- DOI
10.2298/TSCI230610035T