non-destructive inspection of impact damage in composite aircraft panels by ultrasonic guided waves and statistical processing

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ID: 192879
2017
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Abstract
This paper discusses a non-destructive evaluation (NDE) technique for the detection of damage in composite aircraft structures following high energy wide area blunt impact (HEWABI) from ground service equipment (GSE), such as heavy cargo loaders and other heavy equipment. The test structures typically include skin, co-cured stringers, and C-frames that are bolt-connected onto the skin with shear ties. The inspection exploits the waveguide geometry of these structures by utilizing ultrasonic guided waves and a line scan approach. Both a contact prototype and a non-contact prototype were developed and tested on realistic test panels subjected to impact in the laboratory. The results are presented in terms of receiver operating characteristic curves that show excellent probability of detection with low false alarm rates for defects located in the panel skin and stringers.
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capriotti2017materialsnon-destructive Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Margherita Capriotti;Hyungsuk E. Kim;Francesco Lanza di Scalea;Hyonny Kim
Journal Nature Materials
Year 2017
DOI
10.3390/ma10060616
URL
http://www.mdpi.com/1996-1944/10/6/616
Keywords
impact detection ultrasonic guided waves electronics civil engineering (general)microscopydescriptive and experimental mechanics nuclear engineeringengineering (general)

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