|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Characterization of Minerals, Metals, and Materials
||Corrosion Behavior of Super-Ferritic Stainless Steels in NaCl Media
||Natalia Silvina Zadorozne, Alicia Esther Ares, Raúl Basilio Rebak
|On-Site Speaker (Planned)
||Raúl Basilio Rebak
The electrochemical behavior of APTM (Fe–21Cr–5Al–3Mo–0.04C) and 4C54 (Fe–26.5Cr–0.8Mn-0.5Si) super-ferritic stainless steel in NaCl solutions has been studied using open circuit potential measurements, potentiodynamic polarization curves, and electrochemical impedance spectroscopy. The aim is to compare the behavior of these materials with austenitic stainless steel alloy 316 (Fe-18Cr-10Ni-2.5Mo).
The results indicate that the APTM alloy presents a better performance than the alloy 316, while 4C54 not, especially in regions of anodic potential. This behavior may be due to Al and Mo content in the APTM composition.
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