Thermal Evaluation of Scorched Graphite-Epoxy Panels by Infrared Scanning

A simple measurement system is described for evaluating damage to graphite-epoxy panels, such as those used in high-performance aircraft. The system uses a heating laser and infrared imaging system to measure thermal performance. Thermal conductivity or diffusivity is a sensitive indicator of damage...

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Bibliographic Details
Published inJournal of research of the National Institute of Standards and Technology Vol. 108; no. 2; pp. 151 - 156
Main Authors Slifka, A J, Hall, T, Boltz, E S
Format Journal Article
LanguageEnglish
Published United States National Institute of Standards and Technology 01.03.2003
Superintendent of Documents
[Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology
Subjects
Infrared imaging
composites
graphite-epoxy
thermal performance
infrared imaging
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Summary:A simple measurement system is described for evaluating damage to graphite-epoxy panels, such as those used in high-performance aircraft. The system uses a heating laser and infrared imaging system to measure thermal performance. Thermal conductivity or diffusivity is a sensitive indicator of damage in materials, allowing this thermal measurement to show various degrees of damage in graphite-epoxy composites. Our measurements track well with heat-flux damage to graphite epoxy panels. This measurement system, including analysis software, could easily be used in the field, such as on the deck of an aircraft carrier or at remote air strips.
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ISSN:1044-677X
2165-7254
DOI:10.6028/jres.108.015