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Towards in-plane local defect resonance for non-destructive testing of polymers and composites

(2018) NDT & E INTERNATIONAL . 98. p.130-133
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Abstract
Local defect resonance (LDR) makes use of high frequency vibrations to get a localized resonant activation of the defect. In this study, it is shown for various samples and damage features that the classical out-of-plane local defect resonance can be equally extended towards in-plane local defect resonance. It is found that the in-plane LDR typically occurs at higher frequencies, which is linked to the specific geometry of common defects. This increased frequency allows for a reduction in measurement time. More importantly, the results indicate that the in-plane LDR has an increased sensitivity for defects with dominant out-of-plane defect interfaces (e.g. surface breaking crack). Knowledge of both the out-of-plane and in-plane LDR provides further insight on the internal structure of a defective area. This is explicitly demonstrated on a carbon composite which was subjected to low velocity impact, inducing barely visible impact damage.
Keywords
Local defect resonance (LDR), In-plane resonance, Non-destructive testing (NDT), Composite materials

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Chicago
Segers, Joost, Mathias Kersemans, Saeid Hedayatrasa, Javier Andres Calderon Tellez, and Wim Van Paepegem. 2018. “Towards In-plane Local Defect Resonance for Non-destructive Testing of Polymers and Composites.” Ndt & E International 98: 130–133.
APA
Segers, Joost, Kersemans, M., Hedayatrasa, S., Calderon Tellez, J. A., & Van Paepegem, W. (2018). Towards in-plane local defect resonance for non-destructive testing of polymers and composites. NDT & E INTERNATIONAL , 98, 130–133.
Vancouver
1.
Segers J, Kersemans M, Hedayatrasa S, Calderon Tellez JA, Van Paepegem W. Towards in-plane local defect resonance for non-destructive testing of polymers and composites. NDT & E INTERNATIONAL . Elsevier BV; 2018;98:130–3.
MLA
Segers, Joost, Mathias Kersemans, Saeid Hedayatrasa, et al. “Towards In-plane Local Defect Resonance for Non-destructive Testing of Polymers and Composites.” NDT & E INTERNATIONAL 98 (2018): 130–133. Print.
@article{8563169,
  abstract     = {Local defect resonance (LDR) makes use of high frequency vibrations to get a localized resonant activation of the defect. In this study, it is shown for various samples and damage features that the classical out-of-plane local defect resonance can be equally extended towards in-plane local defect resonance. It is found that the in-plane LDR typically occurs at higher frequencies, which is linked to the specific geometry of common defects. This increased frequency allows for a reduction in measurement time. More importantly, the results indicate that the in-plane LDR has an increased sensitivity for defects with dominant out-of-plane defect interfaces (e.g. surface breaking crack). Knowledge of both the out-of-plane and in-plane LDR provides further insight on the internal structure of a defective area. This is explicitly demonstrated on a carbon composite which was subjected to low velocity impact, inducing barely visible impact damage.},
  author       = {Segers, Joost and Kersemans, Mathias and Hedayatrasa, Saeid and Calderon Tellez, Javier Andres and Van Paepegem, Wim},
  issn         = {0963-8695},
  journal      = {NDT \& E INTERNATIONAL },
  keyword      = {Local defect resonance (LDR),In-plane resonance,Non-destructive testing (NDT),Composite materials},
  language     = {eng},
  pages        = {130--133},
  publisher    = {Elsevier BV},
  title        = {Towards in-plane local defect resonance for non-destructive testing of polymers and composites},
  url          = {http://dx.doi.org/10.1016/j.ndteint.2018.05.007},
  volume       = {98},
  year         = {2018},
}

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