Electrochemical Behavior of the Initial Atmospheric Corrosion of 2Cr13 Steel in Guiyang City Atmosphere

Lun You Li; Ya Nan Hu

doi:10.4028/www.scientific.net/AMR.989-994.446

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994Electrochemical Behavior of the Initial...

Electrochemical Behavior of the Initial Atmospheric Corrosion of 2Cr13 Steel in Guiyang City Atmosphere

Abstract:

Used electrochemical tests and the natural atmospheric exposure experiment to study initial atmospheric corrosion of 2cr13 steel in Guiyang city . Measured impedance spectrum curves and polarization curves of experimental steel in the local rain medium.Weight method measured the corrosion rate. The results showed that the exposure period of 0 to 60 days, with longer time, the corrosion current increased firstly then decreased, and the corrosion current decreased after the firstly increased. Impedance spectra showed that passivation process was controlled by the electrochemical reaction. Measured the corrosion rate of 0.000280 ~ 0.000280 mm/a, which belongs to the corrosion level 2 - very corrosion resistance.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

446-449

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.446

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Online since:

July 2014

Authors:

Lun You Li, Ya Nan Hu*

Keywords:

2Cr13 Martensite Stainless Steel, City Atmosphere, Electrochemistry, Initial Atmospheric Corrosion

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* - Corresponding Author

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