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Evaluation of Impact Damages in Composites Based on Fusion of Ultrasonic and Optical Images with Optimized Parameters

Katunin A., Przystałka P., Wronkowicz A.

Machine Dynamics Research

2014

Vol. 38, No. 3

33-41

Character of initiation and propagation of impact damages in polymer constructional composites does not allow for unambiguous evaluation of a structure condition basing on observation of its surface only. The developed method is based on wavelet fusion of ultrasonic and optical images with optimization of wavelet parameters, which allows for obtaining of single image with distinguishable internal and external damages. The method was tested experimentally on the composite plates after impact loading with various impact energy and different types of impactors.