Abstract
The corrosion behavior of Fe-17Mn and Fe-17Mn-3Al austenitic steel matrix composites reinforced with TiC and (Ti,W)C particles, during exposure to a 3.5% NaCl aqueous solution has been reported. The corrosion behavior of these composites has been evaluated by potentiodynamic polarization curves and linear polarization resistance measurements at a scan rate of 1 mV/s at room temperature (25 ± 2 °C). Tafel extrapolation technique has been used in calculating the corrosion current density (I corr) and corrosion potential (E corr). It has been observed that the corrosion resistance of the composites is less than that of their corresponding unreinforced matrix materials. The corrosion resistance increases with the addition of aluminum. The corrosion resistance of (Ti,W)C-reinforced composite is more than that of TiC-reinforced composite in the case of Fe-17Mn matrix while the same is not very different in the case of TiC and (Ti,W)C-reinforced Fe-17Mn-3Al austenitic steel matrix composites.
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Srivastava, A.K., Das, K., Toor, S.K. et al. Corrosion Behavior of TiC and (Ti,W)C-Reinforced Fe-17Mn and Fe-17Mn-3Al Austenitic Steel Matrix In Situ Composites. Metallogr. Microstruct. Anal. 4, 371–380 (2015). https://doi.org/10.1007/s13632-015-0213-5
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DOI: https://doi.org/10.1007/s13632-015-0213-5