Characterization of impact damage in composite laminates using guided wavefield imaging and local wavenumber domain analysis.

@article{Rogge2013CharacterizationOI,
  title={Characterization of impact damage in composite laminates using guided wavefield imaging and local wavenumber domain analysis.},
  author={Matthew D. Rogge and Cara A. C. Leckey},
  journal={Ultrasonics},
  year={2013},
  volume={53 7},
  pages={1217-26}
}
Delaminations in composite laminates resulting from impact events may be accompanied by minimal indication of damage at the surface. As such, inspections are required to ensure defects are within allowable limits. Conventional ultrasonic scanning techniques have been shown to effectively characterize the size and depth of delaminations but require physical contact with the structure and considerable setup time. Alternatively, a non-contact scanning laser vibrometer may be used to measure guided… CONTINUE READING
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