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Electrochemical corrosion behaviour of a Ti-IF steel and a SAE 1020 steel in a 0.5 M NaCl solution

✍ Scribed by W. R. Osório; L. C. Peixoto; A. Garcia

Publisher: John Wiley and Sons
Year: 2009
Tongue: German
Weight: 400 KB
Volume: 61
Category: Article
ISSN: 0947-5117
DOI: 10.1002/maco.200905420

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✦ Synopsis

Abstract

Investigations concerning the electrochemical corrosion behaviour of low carbon (LC) and ultra‐low carbon (ULC) steels are relatively scarce and limited. The present study aims to compare electrochemical impedance parameters and potentiodynamic polarization curves of an LC steel and an ULC Ti‐interstitial free (IF) steel evidencing the effects of carbon content and pearlite fraction on the electrochemical corrosion behaviour. Corrosion tests were carried out in a 0.5 M NaCl solution at 25 °C with a pH range between 6.5 and 6.8. It was found that the IF steel sample presents an electrochemical corrosion resistance, which is slightly higher than that of the LC steel sample.

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