Title: Study on Corrosion in Seawater of Welded DH36 Steel
Abstract:The corrosion behaviors of welded DH36 steel S-189-2 in seawater were studied by gravimetric method,OCP determining,strong polarization curves and polarized potential distribution.SEM and XRD were use...The corrosion behaviors of welded DH36 steel S-189-2 in seawater were studied by gravimetric method,OCP determining,strong polarization curves and polarized potential distribution.SEM and XRD were used to analysis the microstructure of samples and corrosion products.The results showed that the corrosion rate of welding material,HAZ and mother material in seawater were all small,between 15~29μA·cm-2,and they were controlled by oxygen diffusion process.Both the OCP and polarized potential moved to the negative as dipping time and the potential distance of different zones were small and the number changing were nearly.So the galvanize corrosion of welded DH36 in seawater did not happen easily.The corrosion products was mainly γ-FeO(OH).Read More
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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