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Proceedings Paper

Developing damage metrics for metallic structures undergoing fatigue using real-time thermographic evaluation
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Paper Abstract

The purpose of this study is to develop an innovative non-destructive methodology for analyzing the thermal effects in metallic materials caused by fatigue. Mechanical stresses induced by cyclic loading in the material cause heat release due to microstructural changes, which results in an increase of the material's temperature. The heat release was quantified as a function of fatigue cycles in carbon steel samples. Mechanical hysteresis phenomena were analyzed to identify the metrics of damage, which relates to thermal parameters characterizing the level of damage of the material as a function of fatigue cycles.

Paper Details

Date Published: 15 April 2011
PDF: 7 pages
Proc. SPIE 7982, Smart Sensor Phenomena, Technology, Networks, and Systems 2011, 79820U (15 April 2011); doi: 10.1117/12.881019
Show Author Affiliations
E. Z. Kordatos, Univ. of Ioannina (Greece)
T. E. Matikas, Univ. of Ioannina (Greece)

Published in SPIE Proceedings Vol. 7982:
Smart Sensor Phenomena, Technology, Networks, and Systems 2011
Wolfgang Ecke; Kara J. Peters; Theodore E. Matikas, Editor(s)

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