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Proceedings Paper

Flaw dynamics and vibrothermographic-thermoelastic nondestructive evaluation of advanced composite materials
Author(s): Lazarus H. Tenek; Edmund G. Henneke II
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Paper Abstract

In the present study we discuss two thermal methods, namely vibrothermography and thermoelastic emission (SPATE), for NDE of composite materials. Both methods take advantage of 'local resonance', i.e., independent flaw dynamics, to detect and evaluate damage. Complementary information about the flaw position, size and depth can also be obtained. These methods are fast, practical, and can be performed 'in situ'. The SPATE system can also reveal delaminations in relatively thick structural components.

Paper Details

Date Published: 1 March 1991
PDF: 12 pages
Proc. SPIE 1467, Thermosense XIII, (1 March 1991); doi: 10.1117/12.46440
Show Author Affiliations
Lazarus H. Tenek, Virginia Polytechnic Institute and State Univ. (United States)
Edmund G. Henneke II, Virginia Polytechnic Institute and State Univ. (United States)

Published in SPIE Proceedings Vol. 1467:
Thermosense XIII
George S. Baird, Editor(s)

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