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Proceedings Paper

Characterization of composite microstructure and damage using optical coherence tomography
Author(s): Joy P. Dunkers; Carl G. Zimba; Kathleen M. Flynn; Donald L. Hunston; Rohit Prasankumar; Xing De Li; James G. Fujimoto
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Paper Abstract

Optical coherence tomography (OCT) is a non-destructive and non-contact technique that images microstructure within scattering media. In this work, the versatility of OCT for non-destructive evaluation is demonstrated through imaging of composite microstructure and damage. Imaging of composite microstructure is demonstrated through tomographic reconstructions of an epoxy/unidirectional E-glass composite and an epoxy/0-90 degree woven E-glass composite. Imaging of damage is shown by tomographic reconstruction of impact damage in a epoxy/unidirectional E-glass composite. The volumetric reconstruction of the composite is re-sliced along the thickness axis to reveal the propagation of cracks through the reinforcement layers. Advantages and limitations of OCT are discussed.

Paper Details

Date Published: 8 February 1999
PDF: 11 pages
Proc. SPIE 3585, Nondestructive Evaluation of Aging Materials and Composites III, (8 February 1999); doi: 10.1117/12.339850
Show Author Affiliations
Joy P. Dunkers, National Institute of Standards and Technology (United States)
Carl G. Zimba, National Institute of Standards and Technology (United States)
Kathleen M. Flynn, National Institute of Standards and Technology (United States)
Donald L. Hunston, National Institute of Standards and Technology (United States)
Rohit Prasankumar, Massachusetts Institute of Technology (United States)
Xing De Li, Massachusetts Institute of Technology (United States)
James G. Fujimoto, Massachusetts Institute of Technology (United States)


Published in SPIE Proceedings Vol. 3585:
Nondestructive Evaluation of Aging Materials and Composites III
George Y. Baaklini; Carol A. Nove; Eric S. Boltz, Editor(s)

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