Journal
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
Volume 104, Issue 10, Pages 999-1006Publisher
CARL HANSER VERLAG
DOI: 10.3139/146.110956
Keywords
Corrosion; Interstitial free steel; Wire brushing; Nanostructure; Severe plastic deformation
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The corrosion behavior of nanograined (NG) IF-steel was compared with its coarse-grained (CG) counterpart. The corrosion tests were carried out using different solutions of NaCl and H2SO4. The results show that the nanostructured IF steel exhibited higher corrosion resistance (E-corr) and lower corrosion rate (i(corr)). According to the corroded microstructures, extensive cracking was observed in the case of CG subjected to both chloride and acidic media, as well as localized corrosion with signs of severe pitting. The results also show that NaCl can act as an inhibitor when added to H2SO4-containg solution leading to a decrease in the detrimental effect of H2SO4.
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