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Proceedings Paper

Comparative study for the nondestructive testing of advanced ceramic materials by infrared thermography and holographic interferometry
Author(s): S. Sfarra; C. Ibarra-Castanedo; A. Bendada; X. Maldague; D. Ambrosini D.V.M.; D. Paoletti
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Paper Abstract

Advanced ceramic materials are increasingly employed in varied and new applications where improved electrical, mechanical and/or thermal properties are sought. For instance, in a manner similar to carbon or glass fiber reinforced plastics, ceramic matrix composites (CMCs) are designed to improve the naturally brittle characteristics of monolithic ceramics thanks to the inclusion of fibers. Among the main interests for advanced ceramics are the increase in the operation temperature of components, the elimination of the use of cooling fluids, and weight savings. In this paper, the capabilities of infrared thermography and holographic interferometry are investigated and compared for the nondestructive assessment of advanced ceramic materials using three experimental specimens: (1) a monolithic green ceramic tile with fabricated defects, (2) a CMC specimen (from production reject) with a porous alumina matrix reinforced with glass fibers, and (3) a sandwich structure consisting on a carbon fiber honeycomb core with a ceramic plate bonded in one side.

Paper Details

Date Published: 3 May 2010
PDF: 10 pages
Proc. SPIE 7661, Thermosense XXXII, 76610Q (3 May 2010);
Show Author Affiliations
S. Sfarra, Univ. of L'Aquila (Italy)
C. Ibarra-Castanedo, Laval Univ. (Canada)
A. Bendada, Laval Univ. (Canada)
X. Maldague, Laval Univ. (Canada)
D. Ambrosini D.V.M., Univ. of L'Aquila (Italy)
D. Paoletti, Univ. of L'Aquila (Italy)

Published in SPIE Proceedings Vol. 7661:
Thermosense XXXII
Ralph B. Dinwiddie; Morteza Safai, Editor(s)

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