Effect of Al on the microstructure and corrosion resistance of high-Mn steel

被引：13

作者：

Tang, Yihao ^{[1
]}

Li, Bo ^{[1
]}

Zhang, Guofeng ^{[1
]}

Ji, Pengfei ^{[1
]}

Zhang, Xinyu ^{[1
]}

Ma, Mingzhen ^{[1
]}

Liu, Riping ^{[1
]}

机构：

[1] Yanshan Univ, State Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Hebei, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 320卷

基金：

中国国家自然科学基金;

关键词：

High-Mn steel; Al; Microstructure; Corrosion; Oxide film;

D O I：

10.1016/j.matlet.2022.132286

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe-16Mn-1.5C (wt%) steels with 0, 5 and 10 wt% Al content are prepared to investigate the effect of Al on the microstructure and corrosion resistance of high-Mn steel. When the Al content is 0 and 5 wt%, the samples exhibits a fully austenitic microstructure, whereas a ferritic microstructure appears in the sample with 10 wt% Al content. Electrochemical testing results show that the addition of Al improves the corrosion resistance of highMn steel in NaCl and NaHSO3 solutions. Al changes the composition of the oxide film on the surface of the highMn steel during electrochemical testing, and the Al2O3 film is beneficial for reducing the corrosion rate. Therefore, Al addition can improve the corrosion resistance of high-Mn steel.

引用

页数：4

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