Article ID Journal Published Year Pages File Type
1468919 Corrosion Science 2014 9 Pages PDF
Abstract

•SCC susceptibility of Fe18Cr10Mn with 0.3N, 0.6N and 0.3N0.3C was investigated in aqueous chloride environment.•SCC susceptibility decreased with N and/or C addition.•SCC resistance was related to the change in resistance to pitting corrosion and repassivation kinetics with N and/or C addition.

Stress corrosion cracking (SCC) susceptibility of austenitic Fe18Cr10Mn alloys with 0.3N, 0.6N and 0.3N0.3C was investigated in aqueous chloride environment using a slow strain rate test method. The SCC susceptibility of Fe18Cr10Mn alloys in 2 M NaCl solution at 50 °C under constant anodic potential condition decreased with increase in N content from 0.3 to 0.6 wt%, and with addition of 0.3 wt% C to the Fe18Cr10Mn0.3N alloys. The present study strongly suggested that the beneficial effects of N and C on the SCC behavior of Fe18Cr10Mn alloys would be associated with the resistance to pitting corrosion initiation and the repassivation kinetics.

Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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