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Proceedings Paper

Tele-shearography for nondestructive evaluation (NDE) of aircraft/composite panels: an analysis
Author(s): Chee Keong Ng; Vadakke Matham Murukeshan; Seng Lin Ong; Brian Stephen Wong; Anand Krishna Asundi
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Paper Abstract

Tele-shearographic system based on bulk optics shearing and optical fiber based illumination have been used for the Non-Destructive Testing (NDT)of aircraft/composite laminates. This paper describes the application of this system and a detailed experimental analysis to assess defects in Carbon Fiber Reinforced Plastic (CFRP) composite laminates by analyzing the fringe patterns. CFRP laminates and honeycomb panels have been studied using the this system in various optical configurations. This technique provides the full-field, non-contact method for Non-Destructive Evaluation (NDE) of composite specimens. A Comparative study between digital shearography and other NDTechniques are also discussed in this paper.

Paper Details

Date Published: 30 October 2001
PDF: 7 pages
Proc. SPIE 4596, Advanced Photonic Sensors and Applications II, (30 October 2001); doi: 10.1117/12.447337
Show Author Affiliations
Chee Keong Ng, Nanyang Technological Univ. (Singapore)
Vadakke Matham Murukeshan, Nanyang Technological Univ. (Singapore)
Seng Lin Ong, Nanyang Technological Univ. (Singapore)
Brian Stephen Wong, Nanyang Technological Univ. (Singapore)
Anand Krishna Asundi, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4596:
Advanced Photonic Sensors and Applications II
Anand Krishna Asundi; Wolfgang Osten; Vijay K. Varadan, Editor(s)

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