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Evaluation of atmospheric corrosion in Orizaba, Mexico

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Author(s): J. L. RAMÍREZ-REYES | J. URUCHURTU-CHAVARÍN | J. GENESCÁ | R. LONGORIA-RAMÍREZ

Journal: Atmósfera
ISSN 0187-6236

Volume: 25;
Issue: 4;
Start page: 397;
Date: 2012;
Original page

Keywords: Atmospheric corrosion | corrosiveness index | air pollution | aggressive climatic conditions

ABSTRACT
This study evaluated the atmospheric aggressiveness in the city of Orizaba, Veracruz, Mexico, as part of the “Atmospheric corrosiveness map of the state of Veracruz” project, developed by Universidad Veracruzana from 2007 to 2008. The corrosiveness in marine, industrial and rural environments was determined with the standard method of bolt and wire, and the corrosion levels throughout flat samples of mild steel, galvanized steel, copper and aluminum in accordance to ISO 9223. The corrosion products of flat samples were submitted to morphologic studies, using scanning electron microscopy (SEM) and elemental analysis with energy-dispersive X-ray (EDX) spectroscopy after a year of atmospheric exposure in Orizaba.
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