Infrared Thermographic Flaw Detection in Composite Laminates

[+] Author and Article Information
P. V. McLaughlin

Department of Mechanical Engineering, Villanova University, Villanova, PA 19085

M. G. Mirchandani

Roy F. Weston Company, West Chester, PA 19380

P. V. Ciekurs

Advanced Technology Section, Ground Support Equipment Department, Naval Air Engineering Center, Lakehurst, NJ 08733

J. Eng. Mater. Technol 109(2), 146-150 (Apr 01, 1987) (5 pages) doi:10.1115/1.3225954 History: Received June 18, 1985; Online September 15, 2009


Research performed to develop thermography as a routine rapid flaw detection tool for large composite structures is presented. The externally applied thermal field (EATF) technique is described whereby surface cracks or sub-surface impact damage creates detectable surface temperature perturbations when heated. EATF thermographic procedures and flaw detection capabilities in multidirectional and unidirectional graphite and glass fiber composites are described. The method’s advantages and limitations are outlined.

Copyright © 1987 by ASME
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