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Proceedings Paper

Real-time characterization of damage in ceramic matrix composites using IR thermography and acoustic emission
Author(s): E. Z. Kordatos; D. G. Aggelis; K. G. Dassios; P.-L. I. Lagari; T. E. Matikas
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Paper Abstract

Infrared thermography is one of several non-destructive testing techniques which can be used for detection of damage in materials such as ceramic matrix composites. The purpose of this study is to apply a non-destructive methodology for analyzing the thermal effects in ceramic matrix composites caused by cyclic loading. Mechanical stresses induced by cyclic loading cause heat release in the composite due to failure of the interface, which results in increasing the material's temperature. The heat wave, generated by the thermo-mechanical coupling, and the intrinsic energy dissipated during mechanical cyclic loading of the sample were detected by an infrared camera. The results were correlated with acoustic emission events.

Paper Details

Date Published: 30 March 2012
PDF: 8 pages
Proc. SPIE 8346, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012, 834617 (30 March 2012); doi: 10.1117/12.915242
Show Author Affiliations
E. Z. Kordatos, Univ. of Ioannina (Greece)
D. G. Aggelis, Univ. of Ioannina (Greece)
K. G. Dassios, Univ. of Ioannina (Greece)
P.-L. I. Lagari, Univ. of Ioannina (Greece)
T. E. Matikas, Univ. of Ioannina (Greece)


Published in SPIE Proceedings Vol. 8346:
Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2012
Theodore E. Matikas, Editor(s)

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