Monitoring the fracture behavior of metal matrix composites by combined NDE methodologies

E. Z. Kordatos; D. A. Exarchos; A. C. Mpalaskas; T. E. Matikas

doi:10.1117/12.2085505

27 March 2015 Monitoring the fracture behavior of metal matrix composites by combined NDE methodologies

E. Z. Kordatos, D. A. Exarchos, A. C. Mpalaskas, T. E. Matikas

Proceedings Volume 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015; 943603 (2015) https://doi.org/10.1117/12.2085505
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Current work deals with the non-destructive evaluation (NDE) of the fatigue behavior of metal matrix composites (MMCs) materials using Infrared Thermography (IRT) and Acoustic Emission (AE). AE monitoring was employed to record a wide spectrum of cracking events enabling the characterization of the severity of fracture in relation to the applied load. IR thermography as a non-destructive, real-time and non-contact technique, allows the detection of heat waves generated by the thermo-mechanical coupling during mechanical loading of the sample. In this study an IR methodology, based on the monitoring of the intrinsically dissipated energy, was applied for the determination of the fatigue limit of A359/SiCp composites. The thermographic monitoring is in agreement with the AE results enabling the reliable monitoring of the MMCs’ fatigue behavior.

Citation Download Citation

E. Z. Kordatos, D. A. Exarchos, A. C. Mpalaskas, and T. E. Matikas "Monitoring the fracture behavior of metal matrix composites by combined NDE methodologies", Proc. SPIE 9436, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2015, 943603 (27 March 2015); https://doi.org/10.1117/12.2085505

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