Comparison of Corrosion Behavior of WE43 and AZ80 Alloys in NaCl and Na2SO4 Solutions-Reference-Cited by-同舟云学术

Comparison of Corrosion Behavior of WE43 and AZ80 Alloys in NaCl and Na2SO4 Solutions

Published:2023-03-15 Issue:3 Volume:13 Page:506
ISSN:2073-4352
Container-title:Crystals
language:en
Short-container-title:Crystals

Author:

Li Chenxu¹,Zhao Yuming²,Liu Jinhui³^ORCID,Xu Jilei³,Guo Dong³,Zhang Huanghua³,Zhou Xianghong³,Yang Peixu³,Zhang Shaojun³^ORCID

Affiliation:

1. School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China

2. College of Materials Engineering, Henan University of Engineering, Zhengzhou 451191, China

3. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China

Abstract

The corrosion behavior and corrosion resistance of WE43 and AZ80 immersed in NaCl and Na2SO4 solutions were investigated, respectively. Two alloys were immersed in 0.6 M NaCl and Na2SO4 solution to observe the corrosion morphologies. Hydrogen evolution and weight loss experiments were conducted to obtain the corrosion rates. Electrochemical tests were used to characterized detailed corrosion situation. The results show that, when immersed in Na2SO4 solution, WE43 alloy shows a unique micro-galvanic corrosion behavior. On the other hand, the corrosion rate of WE43 in Na2SO4 solution is much faster than that in NaCl solution, which is the direct opposite of AZ80 and most magnesium alloys. The protection of the surface film maybe the key factor to the unexpected phenomena.

Funder

China Postdoctoral Science Foundation

Certificate of Postdoctoral Research Grant in Henan Province

Publisher

MDPI AG

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science,General Chemical Engineering

Link

https://www.mdpi.com/2073-4352/13/3/506/pdf

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