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Nondestructive damage assessment in fiber reinforced composites with the pulsed ultrasonic polar scan

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This study investigates the use of both amplitude and time-of-flight based pulsed ultrasonic polar scan (P-UPS) as a sophisticated non-destructive damage sensor for fiber reinforced composites. Focus is put on stiffness related damage phenomena, which are in general difficult to monitor nondestructively, and their associated signature in the P-UPS image. Various composite samples, with different damage states, have been inspected at multiple material spots with the P-UPS technique. The results demonstrate the capability of the P-UPS method to obtain a unique signature of the local material damage characteristics. Several indicators in the acquired P-UPS images have been identified from which the type and level of material degradation can be obtained. The P-UPS extracted characteristics are fully supported by simulations, conventional tests as well as visual inspection.
Tijdschrift: Polym Test
ISSN: 0142-9418
Volume: 34
Pagina's: 85-96
Jaar van publicatie:2014
Trefwoorden:pulsed ultrasonic polar scan, fiber reinforced plastics, NDT, damage characterization
  • ORCID: /0009-0002-6003-8716/work/146799384
  • Scopus Id: 84893382204
  • ORCID: /0000-0001-7509-1718/work/69428784