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Electrochemical and spectroscopic study of bronze sculptures exposed to urban environment (CROSBI ID 693944)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Otmačić Ćurković, Helena ; Mikić, Dajana ; Kosec, Tadeja Electrochemical and spectroscopic study of bronze sculptures exposed to urban environment // https://eurocorr.org/EUROCORR+2020/Programme/Poster +Overview.html. 2020. str. 1-1

Podaci o odgovornosti

Otmačić Ćurković, Helena ; Mikić, Dajana ; Kosec, Tadeja

engleski

Electrochemical and spectroscopic study of bronze sculptures exposed to urban environment

Polluted urban environment enhances dissolution of patina and underlying bronze material of recent and historical bronze sculptures exposed outdoors. The rate of patina dissolution depends on its composition and morphology as well as on the environment corrosivity. In this work several bronze statues, situated in two Croatian cities, are examined in order to characterize their electrochemical stability and composition of patina. Electrochemical impedance spectroscopy (EIS) measurements are conducted on several positions on each sculpture in order to relate the variation in exposure to sun and water condensation on electrochemical properties of patinated bronze. By analyzing the obtained impedance spectra, corrosion stability of both patina and underlying bronze is evaluated. The composition of patina is determined by Raman spectroscopy and FTIR measurements. Obtained results on patina composition and its electrochemical properties are discussed with the respect to sculpture location and restoration history.

bronze, patina, electrochemical impedance spectroscopy, Raman spectroscopy, FTIR

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Podaci o prilogu

1-1.

2020.

objavljeno

Podaci o matičnoj publikaciji

https://eurocorr.org/EUROCORR+2020/Programme/Poster +Overview.html

Podaci o skupu

Eurocorr 2020

poster

07.09.2020-11.09.2020

online

Povezanost rada

Kemijsko inženjerstvo