On the Inspectionability of highly curved CFRP part by Active Infrared Thermography

Speaker:
Lasagni, Fernando; CATEC - Advanced Center for Aerospace Technologies; Spain

Authors:
Herrera, Á.; CATEC - Advanced Center for Aerospace Technologies; Spain
Gutiérrez, N.; CATEC - Advanced Center for Aerospace Technologies; Spain
González, S.; CATEC - Advanced Center for Aerospace Technologies; Spain
García, C.; Tecnatom S.A.; Spain
Cuevas, E.; Tecnatom S.A.; Spain
Lasagni, F.; CATEC - Advanced Center for Aerospace Technologies; Spain

ID: ECNDT-0507-2018
Download: PDF

The optimization of inspection times is one of the main goals for industrial non-destructive characterization of components. Infrared Thermography has been proved to be a promising alternative in comparison with other NDT methods, reducing the lead time, avoiding surface contact, increasing flexibility for inspecting complex geometries with low preparation times and providing inspection registers among others.
In this study, a CFRP component with a highly curved geometry is inspected through active thermography, aiming the reduction of inspection times in highly curved surfaces. For the last, other inspection methods like ultrasonics have shown significant lead time and difficulties in providing a digital inspection register without involving the preparation of specific and costly tooling. Several artificial defects have been introduced in order to analyse their detectability. Moreover, others indications like porosity and structural construction aspects like fiber orientation, etc., have been included as a part of the inspection analysis. The results have been validated using X-Ray Computed Tomography.