From the journal:

Journal of Materials Chemistry A

Electrochemical dealloying of a high-chromium alloy at oxygen evolution potential†

Lijia Ning,a   Chunmei Yang,*a   Guannan Jiang,b   Chenglin Wang,c   Shuaishuai Wang,b   Yang Chen, ORCID logo a   Huanxi Zheng,*b   Xin Liub  and  Jiyu Liu ORCID logo *a  

* Corresponding authors

a College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150000, P. R. China
E-mail: liujiyu19940802@163.com, ycmnefu@126.com

b State Key Laboratory of High-Performance Precision Manufacturing, Dalian University of Technology, Dalian 116024, P. R. China
E-mail: huanxizh@dlut.edu.cn

c Key Laboratory for Light-weight Materials, Nanjing Tech University, Nanjing 211816, P. R. China

Abstract

We first investigate the electrochemical dealloying effect and mechanism of a high-chromium alloy in alkaline NaNO3 solution at oxygen evolution potential. The electrochemical treatment can form dealloyed layers with Cr-enriched microstructures through periodic sequences of dissolution and redeposition of Fe and Cr compounds, and the layer thickness can be well adjusted.

Graphical abstract: Electrochemical dealloying of a high-chromium alloy at oxygen evolution potential

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Article information

DOI
https://doi.org/10.1039/D4TA04441J
Article type
Communication
Submitted
26 6 2024
Accepted
05 8 2024
First published
06 8 2024

J. Mater. Chem. A, 2024, Advance Article

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Electrochemical dealloying of a high-chromium alloy at oxygen evolution potential

L. Ning, C. Yang, G. Jiang, C. Wang, S. Wang, Y. Chen, H. Zheng, X. Liu and J. Liu, J. Mater. Chem. A, 2024, Advance Article , DOI: 10.1039/D4TA04441J

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