Role of Mn addition on the general corrosion and pitting corrosion behavior of 13Cr stainless steel
Anti-Corrosion Methods and Materials
ISSN: 0003-5599
Article publication date: 13 December 2021
Issue publication date: 3 January 2022
Abstract
Purpose
The purpose of this study is to elucidate the effect of Mn addition on the corrosion behavior of stainless steel.
Design/methodology/approach
Chronoamperometry, quasi-steady-state polarization and electrochemical impedance spectroscopy were used to investigate the corrosion behavior of Mn added A13Cr-HS sample and original S13Cr samples. In addition, the corrosion product film was characterized by a field emission scanning electron microscope equipped with energy-dispersive spectroscopy and X-ray photoelectron spectroscopy.
Findings
The A13Cr-HS sample with 8 wt.% Mn addition maintained good general corrosion resistance in both acidic and alkaline solutions compared to the original S13Cr sample. Additionally, the A13Cr-HS sample had good pitting resistance in an alkaline solution containing Cl−, but a weaker resistance in an acidic solution.
Originality/value
The influence of Mn addition on the formation mechanism of the passive film was systematically analyzed.
Keywords
Citation
He, J., Chen, L. and Su, Y. (2022), "Role of Mn addition on the general corrosion and pitting corrosion behavior of 13Cr stainless steel", Anti-Corrosion Methods and Materials, Vol. 69 No. 1, pp. 94-103. https://doi.org/10.1108/ACMM-10-2021-2555
Publisher
:Emerald Publishing Limited
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