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Corrosion behavior of pre-oxidized and thermally nitrided stainless steel for polymer electrolyte membrane fuel cell bipolar plates
- Issue Date
- May-2012
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Stainless steel; Polarization; Potentiostatic; Acid corrosion
- Citation
- CORROSION SCIENCE, v.58, pp.79 - 85
- Journal Title
- CORROSION SCIENCE
- Volume
- 58
- Start Page
- 79
- End Page
- 85
- ISSN
- 0010-938X
- Abstract
- Thermal nitridation with pre-oxidation of 430 stainless steel was performed in order to improve both the corrosion resistance and the electrical conductivity. As shown by SEM, EDS and AES exhibit ordered mixed Fe/Cr-oxide and Cr-nitride structure. The corrosion resistance of SS430 was enhanced by the oxide formed by the pre-oxidation, especially under anodic condition, and the Cr-nitride formed by substrate serves to improve electrical conductivity in the simulated PEMFC environment. (C) 2012 Elsevier Ltd. All rights reserved.
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Related Researcher
- Yoon, Young Soo
- Engineering (Department of Materials Science & Engineering)