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Surface Characteristics of High-Manganese TRIP (Fe39Mn20Co20Cr15Si5Al1) Steel

New alloys are being developed for advanced applications and a number of properties needs to be investigated before such alloys can be put in use for a given application. In this work, the electrochemical behavior of a newly developed high manganese transformation induced plasticity (TRIP) steel Fe39Mn20Co20Cr15Si5Al1 (at.%) consisting of ? and e phases in 3.5 wt.% NaCl solution at room temperature was studied. The linear dynamic polarization test demonstrated corrosion current density as 8.05 x 10-8 A/cm2 and showed better uniform corrosion resistance. The electrochemical impedance spectroscopy revealed stable surface film formation. X-ray photoelectron spectroscopy was used to characterize the chemical make-up of passivation film. Further experiments are underway for detailed surface characterization.
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2021 AISTech Conference Proceedings
PR-382-096
P. Varshney, N. Kumar
June 01, 2021
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