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Comparison of Medium Manganese Steel and Q345 Steel on Corrosion Behavior in a 3.5 wt % NaCl Solution

The State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, China
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Materials 2017, 10(8), 938; https://doi.org/10.3390/ma10080938
Received: 16 July 2017 / Revised: 4 August 2017 / Accepted: 4 August 2017 / Published: 11 August 2017
(This article belongs to the Section Structure Analysis and Characterization)
A cyclic wet/dry accelerated corrosion test was used to compare the corrosion behavior of medium-Mn steel and Q345 steel. In terms of scanning electron microscope (SEM), using X-ray diffraction (XRD), electron probe microanalysis (EPMA), X-ray photoelectron spectroscopy (XPS), and analysis of the corrosion process, the results showed that the medium-Mn steel did not exhibit higher corrosion resistance than Q345 steel due to the greater content of Mn-rich compounds in the rust layer. Moreover, the effect of a small amount of anti-corrosion elements in medium-manganese steel can regulate the corrosion rate. The conceptual model of the corrosion process of the medium-Mn steel in a 3.5 wt % NaCl solution is proposed. View Full-Text
Keywords: corrosion rate; medium-Mn steel; SEM; EPMA corrosion rate; medium-Mn steel; SEM; EPMA
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Su, G.; Gao, X. Comparison of Medium Manganese Steel and Q345 Steel on Corrosion Behavior in a 3.5 wt % NaCl Solution. Materials 2017, 10, 938.

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