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Title

Electrochemical evaluation of the patina of the weathering steel sculpture Once M�dulo

Other TitlesEvaluaci�n electroqu�mica de la p�tina de la escultura en acero patinable Once M�dulo
AuthorsAna Crespo Iba�ez; Blanca Ram�rez Barat; Iv�n D�az Oca�a; Emilio Cano
KeywordsWeathering Steel
Sculpture
Electrochemical impedance spectroscopy
Atmospheric corrosion
Conservation
Contemporary art
Issue Date2020
PublisherGrupo Español del International Institute for Conservation of Historic and Artistic Works
CitationGE-CONSERVACION 17 (1): 153-159 (2020)
AbstractWeathering steels (WS) have been widely used due to the protective rust formed on the surface of the bare metal exposed to the atmosphere. They have been studied attending to specifications and characteristics in engineering, but in cultural heritage the use of this material does not follow the same criteria and has different needs which must be addressed. Among them, the design and the location of the sculpture may have an impact on the rust formed and may not be as protective as it was supposed to be. This work presents the study of the weathering steel sculpture Once M�dulo which shows areas with different exposure to rainwater and different surface heterogeneities. The results obtained by Electrochemical Impedance Spectroscopy (EIS) have shown that the protective ability of the rust depends on the previous differences and that design and location of the artwork play an important role for its conservation.
Los aceros patinables han sido ampliamente utilizados debido a la habilidad protectora de la herrumbre que se forma en la superficie del metal al exponerlo a la atmosfera. Su estudio se ha enfocado en las especificaciones y caracter�sticas desde un punto de vista ingenieril, sin embargo, en patrimonio cultural el uso de este material no sigue los mismos criterios y tiene distintas necesidades que han de atenderse. Entre ellas, el dise�o y la localizaci�n de la escultura pueden tener un impacto en la herrumbre formada y esta puede no ser tan protectora como se supondr�a. Este trabajo presenta el estudio de la escultura de acero patinable Once M�dulo la cual muestra �reas con distinta exposici�n al agua de lluvia y distintas heterogeneidades superficiales. Los resultados del an�lisis con Espectroscopia de Impedancia Electroqu�mica (EIE) han mostrado que la habilidad protectora de la herrumbre depende de las diferencias anteriores y que el dise�o y la localizaci�n de la obra juegan un importante papel en su conservaci�n.
Publisher version (URL)https://doi.org/10.37558/gec.v17i1.761
URIhttp://hdl.handle.net/10261/221497
Identifiersdoi: 10.37558/gec.v17i1.761
issn:: 1989-8568
Appears in Collections:(CENIM) Artículos
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