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Assessment of Fatigue Damage and Crack Propagation in Ceramic Matrix Composites by Infrared Thermography

Department of Materials Science &Engineering, University of Ioannina, 45110 Ioannina, Greece
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Ceramics 2019, 2(2), 393-406; https://doi.org/10.3390/ceramics2020031
Received: 20 March 2019 / Revised: 8 May 2019 / Accepted: 27 May 2019 / Published: 10 June 2019
(This article belongs to the Special Issue Damage and Lifetime of Ceramic Matrix Composites)
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Abstract

The initiation and propagation of damage in SiC fiber-reinforced ceramic matrix composites under static and fatigue loads were assessed by infrared thermography (IRT). The proposed thermographic technique, operating in lock-in mode, enabled early prediction of the residual life of composites, and proved vital in the rapid determination of the materials’ fatigue limit requiring testing of a single specimen only. IRT was also utilized for quantification of crack growth in the materials under cyclic loads. The paper highlights the accuracy and versatility of IRT as a state-of-the art damage assessment tool for ceramic composites. View Full-Text
Keywords: ceramics; composites; thermography; fatigue; crack growth ceramics; composites; thermography; fatigue; crack growth
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Dassios, K.G.; Matikas, T.E. Assessment of Fatigue Damage and Crack Propagation in Ceramic Matrix Composites by Infrared Thermography. Ceramics 2019, 2, 393-406.

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