Girija, S. ; Mudali, Kamachi U. ; Andreev, C. ; Ninova, L. ; Raj, Baldev (2012) Corrosion behavior of nitrogen-containing stainless steel in nitric acid and chloride environments Corrosion Science, 68 (10). pp. 922-931. ISSN 0010-938X
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Official URL: http://corrosionjournal.org/doi/abs/10.5006/0593
Related URL: http://dx.doi.org/10.5006/0593
Abstract
The corrosion resistance of Type 304LN (UNS S30453) stainless steel containing nitrogen compositions of 0.132 wt%, 0.193 wt%, and 0.406 wt% in nitric acid (HNO3) and chloride medium is investigated in the paper. Increasing the nitrogen content in the steel showed no deleterious effect on corrosion resistance in HNO3. The role of nitrogen in enhancing the pitting corrosion resistance was observed on increasing the nitrogen content from 0.132 wt% to 0.193 wt%. Further increase in nitrogen content to 0.406 wt% was found detrimental, owing to the formation of chromium nitride and manganese-rich precipitates along the grain boundaries. The results are presented in the paper.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Corrosion. |
| Keywords: | Nitric Acid; Pitting Corrosion; Polarization; Scanning Electron Microscopy; Stainless Steel |
| ID Code: | 97696 |
| Deposited On: | 26 Sep 2013 10:35 |
| Last Modified: | 26 Sep 2013 10:35 |
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