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Proceedings Paper

Use of thermography and fiber optics microscopy for the evaluation of railway structures in the Athens Metro in Greece
Author(s): Antonia Moropoulou; Nicolas P. Avdelidis; K. Labropoulos; P. Moundoulas; Dionyssia Polymenakou; Dionyssios Stavrakas; P. Terezakis
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Paper Abstract

Rolling Contact Fatigue (RCF) is one of the main issues that concern, at least initially, the head of the railway; progressively they can be of very high importance as they can propagate inside the material with the risk of damaging the railway. In this work, two different non-destructive techniques, infrared thermography (IRT) and fibre optics microscopy (FOM), were used in the inspection of railways for the tracing of defects and deterioration signs. In the first instance, two different approaches (dynamic and pulsed thermography) were used, whilst in the case of FOM, microscopic characterisation of the railway heads and classification of the deterioration -- damage on the railways according to the UIC (International Union of Railways) code, took place. Results from both techniques are presented and discussed.

Paper Details

Date Published: 28 March 2005
PDF: 8 pages
Proc. SPIE 5782, Thermosense XXVII, (28 March 2005); doi: 10.1117/12.601085
Show Author Affiliations
Antonia Moropoulou, National Technical Univ. of Athens (Greece)
Nicolas P. Avdelidis, Technical Chamber of Greece (Greece)
K. Labropoulos, National Technical Univ. of Athens (Greece)
P. Moundoulas, National Technical Univ. of Athens (Greece)
Dionyssia Polymenakou, National Technical Univ. of Athens (Greece)
Dionyssios Stavrakas, National Technical Univ. of Athens (Greece)
P. Terezakis, Attiko Metro of Athens S.A. (Greece)


Published in SPIE Proceedings Vol. 5782:
Thermosense XXVII
G. Raymond Peacock; Douglas D. Burleigh; Jonathan J. Miles, Editor(s)

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