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Application of automated electrical resistance sensors for measurement of corrosion rate of copper, bronze and iron in model indoor atmospheres containing short-chain volatile carboxylic acids
RISE - Research Institutes of Sweden, Materials and Production, KIMAB. (Institut de la Corrosion)
National Museum of Denmark, Denmark.
RISE - Research Institutes of Sweden, Materials and Production, KIMAB. (Institut de la Corrosion)
RISE - Research Institutes of Sweden, Materials and Production, KIMAB. (Institut de la Corrosion)
2014 (English)In: Corrosion Science, ISSN 0010-938X, E-ISSN 1879-0496, Vol. 87, p. 376-382Article in journal (Refereed) Published
Abstract [en]

The corrosion rate of copper and bronze Cu-8. wt.%Sn increased rapidly when the concentration of formic or acetic acid in air reached about 300. ppb at 80% relative humidity (RH) and a temperature of 20. °C. It decreased slowly during the several days after pollutant removal due to the slow rate of pollutant desorption from the metal surfaces. Corrosion of these metals was barely affected by the acids at RH up to 60%. For iron, the critical concentration of formic acid in air which led to surface activation at 80% RH was between 1000 and 1590. ppb.

Place, publisher, year, edition, pages
Elsevier Ltd , 2014. Vol. 87, p. 376-382
Keywords [en]
A. Bronze, A. Copper, A. Iron, C. Atmospheric corrosion, Atmospheric corrosion, Bronze, Corrosion rate, Iron, Atmospheric humidity, Copper, Corrosion, Pollution, Critical concentration, Electrical resistance sensors, Indoor atmosphere, Metal surfaces, Pollutant removal, Surface activation
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-40400DOI: 10.1016/j.corsci.2014.06.047Scopus ID: 2-s2.0-84920581456OAI: oai:DiVA.org:ri-40400DiVA, id: diva2:1361503
Note

This project has received funding from the European Union’s Seventh Programme for research, technological development and demonstration under Grant agreement No. 226539. All members of the project team are thanked for their contributions. We wish to especially thank Bert Scheffel of Fraunhofer Institute for Electron Beam and Plasma Technology, Germany for designing the thin-film sensors and Yves Degres, Michel Jouannic and Patrice Le Garff from nke electronics, France for development of the electronic part and software.

Available from: 2019-10-16 Created: 2019-10-16 Last updated: 2019-10-16Bibliographically approved

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