Energy analysis of fatigue damage by thermographic technique

Anna Eva Morabito; Vito Dattoma; Umberto Galietti

doi:10.1117/12.459596

15 March 2002 Energy analysis of fatigue damage by thermographic technique

Anna Eva Morabito, Vito Dattoma, Umberto Galietti

Proceedings Volume 4710, Thermosense XXIV; (2002) https://doi.org/10.1117/12.459596
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

The main aims of this paper are to describe the thermographic methodologies currently used in Italy for the rapid evaluation of the fatigue limit and to describe the local energy approach actually under development by the authors. Thermographic methodologies currently used in Italy for the rapid evaluation of the fatigue limit were applied to two stainless steels (AISI 304 and AISI 409). All the experimental results here obtained are in good agreement with the respective values reported in literature. An experimental program for the local energy approach is under development: its main characteristic consists in doing, besides the usual thermal measurements made by thermography, mechanical measurements in order to evaluate the mechanical energy locally dissipated inside the material. This experimental research is part of an interuniversity research program and it is made on stainless steel (AISI 304) notched specimens.

Citation Download Citation

Anna Eva Morabito, Vito Dattoma, and Umberto Galietti "Energy analysis of fatigue damage by thermographic technique", Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); https://doi.org/10.1117/12.459596

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