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3 October 1988 Photothermal Infrared Radiometry For Nde Of Carbon Fibre Reinforced Plastics
B Rief, P Eyer, G Busse
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Proceedings Volume 0917, Recent Developments and Applications of Infrared Analytical Instruments; (1988) https://doi.org/10.1117/12.945591
Event: Sira/SPIE Infrared Meeting, 1988, London, United Kingdom
Abstract
Carbon fibre reinforced plastics (CFRP) are of increasing importance with respect to industrial applications. There is an urgent demand for the nondestructive characterisation and evaluation of these materials. In the search for new non contacting methods we investigated the applicability of photothermal wave analysis where the propagation of laser generated thermal waves is evaluated. With remote photothermal infrared radiometry we could monitor the curing and ageing process of CFRP-prepregs. Fibre content and orientation could be measured. Defects (cracks in matrix, fibre-break, insertions of various materials) were located and characterised. Our results can well compete with those obtained using conventional NDT-methods.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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B Rief, P Eyer, and G Busse "Photothermal Infrared Radiometry For Nde Of Carbon Fibre Reinforced Plastics", Proc. SPIE 0917, Recent Developments and Applications of Infrared Analytical Instruments, (3 October 1988); https://doi.org/10.1117/12.945591
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KEYWORDS
Infrared radiation
Carbon
Nondestructive evaluation
Infrared photography
Radiometry
Radio propagation
Wave propagation
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