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Long term corrosion protection - A contradiction in terms? A comparative study of modern and traditional anticorrosion systems

  • A comparative study tested the performance of modern anti-corrosion Systems against that of traditional red lead Systems. One aim of the research project was to find alternatives for the use of a red lead priming coat, the Standard anti-corrosive primer for iron and Steel in the past but a material which endangers health as well as environment. The investigation aimed to determine whether anti-corrosion Systems developed for industrial use were suitable for the Conservation of historic iron and cast iron objects. Besides coatings containing red lead, several surface tolerant coatings with different anti-corrosion pigments were examined. The modern anti-corrosion Systems examined were suitable for surfaces where Optimum surface preparation is not practical. They were applied to both historical samples and to newly prepared model samples. After uniform pre-corrosion, the model samples were coated and underwent two different ageing procedures: accelerated ageing in a climate chamberA comparative study tested the performance of modern anti-corrosion Systems against that of traditional red lead Systems. One aim of the research project was to find alternatives for the use of a red lead priming coat, the Standard anti-corrosive primer for iron and Steel in the past but a material which endangers health as well as environment. The investigation aimed to determine whether anti-corrosion Systems developed for industrial use were suitable for the Conservation of historic iron and cast iron objects. Besides coatings containing red lead, several surface tolerant coatings with different anti-corrosion pigments were examined. The modern anti-corrosion Systems examined were suitable for surfaces where Optimum surface preparation is not practical. They were applied to both historical samples and to newly prepared model samples. After uniform pre-corrosion, the model samples were coated and underwent two different ageing procedures: accelerated ageing in a climate chamber and outdoor weathering on a test site with moderate city climate. The specimens were exposed for more than two and a half years. Evaluation of the artificially aged samples was carried out under the aspect coating degradation, tensile strength test, cross-hatch test and Fourier-transform infrared microscope. The results of the research with optical evaluation and test procedures will be presented. The two ageing methods will be discussed, with different results from the naturally and artificially aged samples. The results Show a similar eligibility of modern anti-corrosion Systems as compared with red lead Systems for the use in Conservation.zeige mehrzeige weniger

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Metadaten
Autor*innen:Martina Raedel, Michael Bücker
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Metal 2013 - ICOM-CC Interim Meeting of the Metal Working Group (Proceedings)
Jahr der Erstveröffentlichung:2013
Herausgeber (Institution):International council of museums - Committee for conservation
Erste Seite:79
Letzte Seite:86
Freie Schlagwörter:Anti-korrosions Beschichtungssysteme; Bleimennige-Überzüge; Metal Restaurierung; Vergleichende Studie
Anti-corrosion systems; Comparative study; Red lead coating
Veranstaltung:Metal 2013 - ICOM-CC Interim Meeting of the Metal Working Group
Veranstaltungsort:Edinburgh, Scotland
Beginndatum der Veranstaltung:16.09.2013
Enddatum der Veranstaltung:20.09.2013
ISBN:978-1-84917-142-7
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Nein
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