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Proceedings Paper

Thermographic Technique For The Nondestructive Evaluation Of Graphite Composite Structures
Author(s): C. William Souder; Gordon E. Singleton
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Paper Abstract

The extensive use of advanced composite materials on aircraft has increased the need for improved inspection techniques. Presently, graphite composite structures for high performance military aircraft require extensive ultrasonic and X-ray inspection for the detection of porosity, delaminations and disbonds. Thermographic inspection offers the potential for a lower cost alternative to these techniques. Much of the work on the application of thermographic techniques as an alternative to the above means of inspection has been qualitative and limited to laboratory use. The transient thermal response of graphite composite structures has been shown to be useful in detecting porosity, delamination and disbonds, and the use of image processing simplifies operator interpretation of the resulting data. This paper describes further research on this subject and proposes systems for production use and field inspection of advanced composite structures.

Paper Details

Date Published: 12 July 1983
PDF: 8 pages
Proc. SPIE 0366, Modern Utilization of infrared Technology VIII, (12 July 1983); doi: 10.1117/12.934235
Show Author Affiliations
C. William Souder, Northrop Research and Technology Center (United States)
Gordon E. Singleton, Northrop Research and Technology Center (United States)


Published in SPIE Proceedings Vol. 0366:
Modern Utilization of infrared Technology VIII
Irving J. Spiro, Editor(s)

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