engleski

NONDESTRUCTIVE EVALUATION OF IMPACT DAMAGE IN GLASS AND CARBON REINFORCED COMPOSITES BASED ON INFRARED THERMOGRAPHY METHODS

Application of active infrared thermography has been demonstrated on carbon and glass polymer composites. Several image processing methods have been applied on damaged specimens, demonstrating abilities of thermography as a non-destructive testing method. From comparison of similar impacted glass and carbon reinforced specimens, conclusions considering impact resistance have been made. Image processing and enhancing methods, such as gradient based method, Daubechies wavelet image processing, Fourier and Complex Morlet wavelet transforms, are approaches enabling better damage detection and evaluation than raw infrared image.

active infrared thermography; NDT

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