Abstract
In the present work, atmospheric corrosive indexes were evaluated in the city of Poza Rica. The research was conducted using the wire-on-bolt test CLIMAT(Clasification of Industrial and Marine Atmosphere), that involves exposure of aluminum wire samples on carbon steel, copper and plastic bolts, in order to evaluate atmospheric corrosion in marine (MA), industrial (IA) and rural-urban (RUA) environments. Samples were exposed as described in norm ASTM G116-93. The chemical cleaning of wires and bolts was carried out according to the procedures described in ASTM G1. Additionally, atmospheric contaminants were evaluated monthly: chloride (Cl-), sulfur dioxide (SO2) and suspended particles. Corrosion indexes indicate the existence of a very aggressive industrial atmosphere, influenced by the marine atmosphere (due to the presence of Cl-), coming from the Mexico Gulf coast. Pollutants monitoring confirmed the existence of an industrial environment with high concentrations of SO2 derived from petroleum activities in the region.
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