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Experimental and numerical polar scans of several anisotropic materials using pulsed and harmonic ultrasonic beams

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Abstract
Ultrasonic non-destructive testing is a well known technique in present days, in which the C-scan is the most wide spread. Though, because of the inherent limitations of most methods to quantitatively characterize (damaged) composite materials, the quest for more sophisticated methods is put forward. This study reports experimentally registered polar scans using an in house developed ultrasonic test setup for some typical composite materials. Both pulsed and harmonic ultrasonic beams are considered, which impinge onto the immersed anisotropic layer under investigation. Numerical computations are shown and compared with the experimental results. The experimental polar scan of a carbon fabric/PPS laminate with an artificially added delamination shows a drastic change in the observed patterns, compared to the one of the undamaged carbon fabric/PPS laminate. Combined with the sensitivity to the local stiffness tensor, a polar scan can become a great tool to quantitatively evaluate (damaged) composite materials.
Keywords
PLATES, FIBER-REINFORCED COMPOSITES

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MLA
Kersemans, Mathias et al. “Experimental and Numerical Polar Scans of Several Anisotropic Materials Using Pulsed and Harmonic Ultrasonic Beams.” Emerging Technologies in Non-destructive Testing V. Ed. AS Paipetis et al. CRC Press, 2011. 275–280. Print.
APA
Kersemans, M., De Baere, I., Van Paepegem, W., Degrieck, J., Zastavnik, F., Gu, J., & Sol, H. (2011). Experimental and numerical polar scans of several anisotropic materials using pulsed and harmonic ultrasonic beams. In A. Paipetis, T. Matikas, D. Aggelis, & D. Van Hemelrijck (Eds.), EMERGING TECHNOLOGIES IN NON-DESTRUCTIVE TESTING V (pp. 275–280). Presented at the 5th International conference on Emerging Technologies in Non Destructive Testing (ETNDT-5), CRC Press.
Chicago author-date
Kersemans, Mathias, Ives De Baere, Wim Van Paepegem, Joris Degrieck, Filip Zastavnik, Jun Gu, and Hugo Sol. 2011. “Experimental and Numerical Polar Scans of Several Anisotropic Materials Using Pulsed and Harmonic Ultrasonic Beams.” In Emerging Technologies in Non-destructive Testing V, ed. AS Paipetis, TE Matikas, DG Aggelis, and D Van Hemelrijck, 275–280. CRC Press.
Chicago author-date (all authors)
Kersemans, Mathias, Ives De Baere, Wim Van Paepegem, Joris Degrieck, Filip Zastavnik, Jun Gu, and Hugo Sol. 2011. “Experimental and Numerical Polar Scans of Several Anisotropic Materials Using Pulsed and Harmonic Ultrasonic Beams.” In Emerging Technologies in Non-destructive Testing V, ed. AS Paipetis, TE Matikas, DG Aggelis, and D Van Hemelrijck, 275–280. CRC Press.
Vancouver
1.
Kersemans M, De Baere I, Van Paepegem W, Degrieck J, Zastavnik F, Gu J, et al. Experimental and numerical polar scans of several anisotropic materials using pulsed and harmonic ultrasonic beams. In: Paipetis A, Matikas T, Aggelis D, Van Hemelrijck D, editors. EMERGING TECHNOLOGIES IN NON-DESTRUCTIVE TESTING V. CRC Press; 2011. p. 275–80.
IEEE
[1]
M. Kersemans et al., “Experimental and numerical polar scans of several anisotropic materials using pulsed and harmonic ultrasonic beams,” in EMERGING TECHNOLOGIES IN NON-DESTRUCTIVE TESTING V, Ioannina, Greece, 2011, pp. 275–280.
@inproceedings{2072890,
  abstract     = {{Ultrasonic non-destructive testing is a well known technique in present days, in which the C-scan is the most wide spread. Though, because of the inherent limitations of most methods to quantitatively characterize (damaged) composite materials, the quest for more sophisticated methods is put forward. This study reports experimentally registered polar scans using an in house developed ultrasonic test setup for some typical composite materials. Both pulsed and harmonic ultrasonic beams are considered, which impinge onto the immersed anisotropic layer under investigation. Numerical computations are shown and compared with the experimental results. The experimental polar scan of a carbon fabric/PPS laminate with an artificially added delamination shows a drastic change in the observed patterns, compared to the one of the undamaged carbon fabric/PPS laminate. Combined with the sensitivity to the local stiffness tensor, a polar scan can become a great tool to quantitatively evaluate (damaged) composite materials.}},
  author       = {{Kersemans, Mathias and De Baere, Ives and Van Paepegem, Wim and Degrieck, Joris and Zastavnik, Filip and Gu, Jun and Sol, Hugo}},
  booktitle    = {{EMERGING TECHNOLOGIES IN NON-DESTRUCTIVE TESTING V}},
  editor       = {{Paipetis, AS and Matikas, TE and Aggelis, DG and Van Hemelrijck, D}},
  isbn         = {{9780415621311}},
  keywords     = {{PLATES,FIBER-REINFORCED COMPOSITES}},
  language     = {{eng}},
  location     = {{Ioannina, Greece}},
  pages        = {{275--280}},
  publisher    = {{CRC Press}},
  title        = {{Experimental and numerical polar scans of several anisotropic materials using pulsed and harmonic ultrasonic beams}},
  year         = {{2011}},
}

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