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TeraHertz inspections of painted steel samples

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Abstract

Aerospace industry needs accurate coating thickness measurement as well as adhesion testing for preventing the corrosion of wear of metal substrates. Recently, a constant attention is focused towards the potentialities offered by non-invasive sensing techniques and their technological advancements. This communication deals with time of flight THz imaging, enhanced by a noise filtering procedure based on the Singular Value Decomposition of the data matrix. In this work, THz imaging is exploited to analyse painted steel samples in order to detect paint coating layers and provide images of them and of the interface between the coating layer and the steel substrate.
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Dates and versions

hal-03500762 , version 1 (22-12-2021)

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Ilaria Catapano, Giovanni Ludeno, Francesco Soldovieri, Thibaud Toullier, Jean Dumoulin. TeraHertz inspections of painted steel samples. MetroAeroSpace 2021 - IEEE 8th International Workshop on Metrology for AeroSpace, Jun 2021, Naples, Italy. pp.647-652, ⟨10.1109/MetroAeroSpace51421.2021.9511692⟩. ⟨hal-03500762⟩
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