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Materials 2017, 10(8), 938; doi:10.3390/ma10080938

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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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)
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Abstract

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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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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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