Diagnostics of wall paintings : a smart and reliable approach

Authors: Sfarra, StefanoIbarra Castanedo, Clemente; Tortora, Mariagrazia; Arrizza, Lorenzo; Cerichelli, Giorgio; Nardi, Iole; Maldague, X.
Abstract: The object of the work is a character of the Madonna con Bambino (XIII–XV century) mural painting (Fontecchio – L’Aquila, Italy). It was analyzed by different nondestructive testing (NDT) techniques: electronic speckle pattern interferometry (ESPI), ultraviolet (UV) imaging and infrared vision. In addition, three micro-samplings were collected on suspected areas after examination of the signal strength variations over the raw thermograms. On the latter, the images’ quality was enhanced by applying advanced processing techniques. Micro-samplings were also analyzed by scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy (EDS), Fourier transform infrared (FTIR) and µ-Raman spectroscopy. Splitting, subsurface cracks and under-/over-paintings were detected by this integrated method.
Document Type: Article de recherche
Issue Date: 17 August 2015
Open Access Date: 17 January 2017
Document version: AM
Permalink: http://hdl.handle.net/20.500.11794/13148
This document was published in: Journal of cultural heritage, Vol. 18, 229–241 (2016)
Alternative version: 10.1016/j.culher.2015.07.011
Collection:Articles publiés dans des revues avec comité de lecture

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