Investigation of Corrosion Protection by Chemically Applied Patina on Artistic Bronzes
Keywords:
bronze, corrosion, patina, polarization curves
Abstract
Increase of pollution in recent years, requires monitoring of the corrosion behavior of artistic bronzes coated with syntetic patina, in urban atmosphere.
This present work aims to investigate the corrosion rezistance of various artificial patina currently used in bronze sculpture. Electrochemical and microscopic methods were used to investigate the protective effect of several chemically produced patinas on artistic bronze.
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References
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[2]. B. Rosales, R. Vera, G. Moriena - Evaluation of the protective properties of natural and artificial patinas on copper. Part I. Patinas formed by immersion, Corrosion Science, vol. 41, 1999, pg. 625-651
[3]. R. Picciochi, A.C. Ramos s.a - Influence of the environment on the atmospheric corrosion of bronze, Journal of Applied Electrochemistry, vol. 34, 2004, pg. 989-995.
[4]. L. Robbiola, J.M. Blengino - C. Fiaud, Morphology and mechanisms of formation of natural patinas on archaeological CuSn alloys, Corrosion Science, vol. 40, 1998, pg. 2083 – 2111.
[5]. L. Robbiola, R. Portier - A global approach to the authentication of ancient bronzes based on the characterization of the alloy – patina – environment system, Journal of Cultural Heritage, vol. 7, 2006, pg. 1-12.
[6]. K.P. FitzGerald, J. Nairn, s.a. - Atmospheric corrosion of cooper and the colour,structure and composition of natural patinas on copper, Corrosion Science, Vol. 48, pg. 2480-2509, 2006.
[7]. F.J.R. De Oliveira, D.C.B. Lago, s.a. - Study of patina formation on bronze specimens, Materials Chemistry and Physics,vol. 115, 2009, pg. 761–770.
[8]. C. Chiavari, A. Colledan, s.a. - Corrosion evaluation of traditional and new bronzes for artistic castings, Materials Chemistry and Physics, vol.95, 2006, pg. 252-259.
[9]. G.M. Ingo, T. De Caro, Riccucci C., Khosroff S. - Uncommon corrosion phenomena of archaeological bronze alloys, Applied Physics A, Material Science & Processing, Vol. 83. 2006, pg. 581-588.
[10]. A. Domenic-Carbo, M.T. Domenic-Carbo, I. MartinezLazaro - Electrochemical identification of corrosion products in archaeological artefacts. A case study, Microchimica Acta, Vol.162, 2007, pg. 351-359.
[11]. J.D. Chelaru, V.F. Soporan, O. Nemeş - Time analysis of King Matthias The I Sculptural Group, International journal of conservation science, Vol.1, 2010, pg. 69-74.
[12]. M.P. Casaletto, G.M. Ingo, M. Albini, A. Lapenna, I. Pierige, C. Riccucci, F. Faraldi - An integrated analytical characterization of corrosion products on ornamental objects from the necropolis of Colle Badetta-Tortoreto (Teramo, Italy), Applied physics a: materials science & processing, Vol 100, 2010, pg. 801-808.
[13]. I. Sandu, A. Dima, I.-G. Sandu - Restauration and conservation of metal objects, Corson Publishing House, Iaşi, 2002.
[14]. I. Sandu - Deterioration and degradation of the cultural patrimony treasures. Supply of inorganic materials, vol. I, „Alexandru Ioan Cuza” University Publishing House, Iaşi, 2008.
[15]. L. Mureşan, S. Varvara, s.a. - Protection of bronze covered with patina by innoxiouus organic substances, Electrochimica Acta, vol.52, 2007, pg. 7770-7779.
[16]. V., Cândea, C. Popa, Iniţiere în ştiinţa metalelor, Editura Vega, ISBN 973-951-70-3-0, Bucureşti, 1995.
[17]. A.Vlasa, S. Varvara, L. Mureşan - Electrochemical investigation of the influence of two thiadiazole derivatives on the patina of an artchaeological bronze artefact using a carbon paste electrode, Studia Universitatis BABEŞ – BOLYAI, vol.2, 2007, pg. 63-71.
[18]. J.D. Chelaru, V.F. Soporan, O. Nemes, T. Koloszi, V. Duca - The influence of the enviromental factors on the King Matthias Sculptural Group, „International Conference 16th Building Services, Mechanical and Building Industry Days”, 2010, pg. 265-272.
[19]. N. Souissi, L. Bousselmi, s.a. - Electrochemical behavior of an archaeological bronze alloy in various aqueous media: New method for understanding artifacts preservation, Material and Corrsion, vol. 54, 2003, pg. 318-325.
[20]. T. Koloszi, A. Pasat, R. Moraru, O.M. Gui, J.D. Chelaru - Digital techniques in reinforcement and conservation of a large sculptural group. Case study: the sculptural group of Mathias I in Cluj Napoca, Romania, 5th International Conference on Interdisciplinarity in Education - ICIE'10, Tallinn, 2010, Estonia.
Published
2012-06-15
How to Cite
1.
SABĂU (CHELARU) JD, MUREŞAN LM, SOPORAN VF, NEMEŞ O, KOLOZSI T. Investigation of Corrosion Protection by Chemically Applied Patina on Artistic Bronzes. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Jun.2012 [cited 11Dec.2024];35(2):89-4. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/2899
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