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Proceedings Paper

Energy analysis of fatigue damage by thermographic technique
Author(s): Anna Eva Morabito; Vito Dattoma; Umberto Galietti
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Paper 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.

Paper Details

Date Published: 15 March 2002
PDF: 8 pages
Proc. SPIE 4710, Thermosense XXIV, (15 March 2002); doi: 10.1117/12.459596
Show Author Affiliations
Anna Eva Morabito, Univ. degli Studi di Lecce (Italy)
Vito Dattoma, Univ. degli Studi di Lecce (Italy)
Umberto Galietti, Politecnico di Bari (Italy)


Published in SPIE Proceedings Vol. 4710:
Thermosense XXIV
Xavier P. Maldague; Andres E. Rozlosnik, Editor(s)

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