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Projeto de investigação
Integrated Platform for the European Research Infrastructure ON Cultural Heritage
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Impact of solar radiation and environmental temperature on Art Nouveau glass windows
Publication . Palomar, Teresa; Silva, Miguel; Vilarigues, Marcia; Pombo Cardoso, Isabel; Giovannacci, David; VICARTE - Vidro e Cerâmica para as Artes; DCR - Departamento de Conservação e Restauro; SpringerOpen
This work presents the results of the evaluation of two Art Nouveau glass windows from the Casa-Museu Dr. Anastácio Gonçalves (Lisbon, Portugal) with IR-thermography during the summer solstice. According to the measurements, the surface temperature of glass depended on the outdoor environmental temperature and, mainly, on the direct solar radiation. Colored glasses presented a higher surface temperature due to the absorption of their chromophores at near-IR wavelengths. Enamels and grisailles showed higher surface temperatures than their support glasses due to both their chemical composition and color. The protective glazing, with small slits in one of the window panels, induced a hot-air pocket in its upper part due to the insufficient ventilation.[Figure not available: see fulltext.]
Monitoring the Natural Heating of Two Art Nouveau Glass Windows by Infrared Thermography
Publication . Palomar, Teresa; Giovannacci, David; Vilarigues, Márcia; Pombo Cardoso, Isabel; VICARTE - Vidro e Cerâmica para as Artes; DCR - Departamento de Conservação e Restauro; LAQV@REQUIMTE
Assessing the decorative techniques of two Art Nouveau glass windows by optical coherence tomography (OCT)
Publication . Palomar, Teresa; Iwanicka, Magdalena; Pombo Cardoso, Isabel; Vilarigues, Márcia; Targowski, Piotr; VICARTE - Vidro e Cerâmica para as Artes; LAQV@REQUIMTE; DCR - Departamento de Conservação e Restauro; SpringerOpen
This work presents an assessment of the different decoration techniques applied in the two glass windows from the Casa-Museu Dr. Anastácio Gonçalves (Lisbon, Portugal) by Optical coherence tomography (OCT). The Dining Room glass window was found to be decorated with grisailles and acid etching, and the Atelier window with grisaille, enamel, and cold painting. The alteration state of the surface decorations was also assessed. The thicker surface decorations (grisailles and enamels) presented cracks and detachments, in contrast to the thinner lines which are normally well preserved. OCT is a suitable technique for characterizing glass decoration in situ without dismounting the stained-glass window; and able to reveal the condition and methods of manufacture that cannot be detected simply by visual inspection.
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European Commission
Programa de financiamento
H2020
Número da atribuição
654028