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Proceedings Paper

Fiber direction determination in composites by means of Schlieren photography
Author(s): Nico F. Declercq; A. Teklu; M. A. Breazeale; Roger D. Hasse; Joris Degrieck; Oswald Leroy
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Paper Abstract

After a short description of the Ultrasonic Polar Scan Technique for characterizing composites, the paper describes and experimental method, based on the combination of Schlieren photography and a wide bounded ultrasonic beam of frequency 10 MHz, used to detect the fiber direction in composites. Experiments are described on unidirectional and fabric fiber reinforced composites. This method is not based on Lamb wave phenomena, which can be complicated for interpretation by NDT engineers, but rather is based on relatively simple principles, i.e. inhomogeneity and symmetry of composites.

Paper Details

Date Published: 3 March 2005
PDF: 8 pages
Proc. SPIE 5828, Acousto-Optics and Applications V, (3 March 2005); doi: 10.1117/12.612767
Show Author Affiliations
Nico F. Declercq, Univ. of Mississippi (United States)
A. Teklu, College of Charleston (United States)
M. A. Breazeale, Univ. of Mississippi (United States)
Roger D. Hasse, Univ. of Mississippi (United States)
Joris Degrieck, Ghent Univ. (Belgium)
Oswald Leroy, Katholieke Univ. Leuven (Belgium)


Published in SPIE Proceedings Vol. 5828:
Acousto-Optics and Applications V
Tomasz Klinkosz; Bogumil B. J. Linde; Anna Sikorska; Antoni Sliwinski, Editor(s)

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