Atmospheric corrosion in two different urban environments in Portugal: results of one-year exposure
authors Vidal, F; Vicente, R; Bastos, AC; Rocha, AMF; Silva, JM
nationality International
journal CORROSION ENGINEERING SCIENCE AND TECHNOLOGY
author keywords Atmospheric corrosivity; corrosion; copper; grey cast iron; zinc
keywords MARINE AEROSOLS; COASTAL AREA; COPPER; DEPOSITION; STEEL; WIND; SALINITY; METALS
abstract An atmospheric corrosion campaign was carried out to update the information on the environmental corrosivity in Portugal, available from earlier MICAT and ICP-Materials projects. This communication summarises the initial atmospheric corrosion of copper, zinc and grey cast iron in the cities of Coimbra and Aveiro. The new data was produced in the scope of the project TRAPHIC, which aimed at evaluating the effects of air pollution on materials in the city of Coimbra. Samples of the three metals were exposed in three different locations and the surface modifications were monitored over time together with the local environmental conditions. Chromatic alterations in copper and zinc were analysed and corrosion products were characterised using SEM/EDS. First-year corrosion rates were measured for the three locations to complement the national corrosivity map. Results indicate the reduction of acidic pollution and decreasing of corrosion rates over the past 30 years in Portugal.
publisher TAYLOR & FRANCIS LTD
issn 1478-422X
isbn 1743-2782
year published 2019
volume 54
issue 7
beginning page 614
ending page 626
digital object identifier (doi) 10.1080/1478422X.2019.1646007
web of science category Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering
subject category Materials Science; Metallurgy & Metallurgical Engineering
unique article identifier WOS:000478304500001
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journal impact factor 1.706
5 year journal impact factor 1.435
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