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Corrosion and Discharge Behaviors of Mg-Al-Zn and Mg-Al-Zn-In Alloys as Anode Materials
Li, Jiarun1,2; Wan, Kai1; Jiang, Quantong1; Sun, Huyuan1; Li, Yantao1; Hou, Baorong1; Zhu, Liwei3; Liu, Min3
2016-03-01
Source PublicationMETALS
Volume6Issue:3
SubtypeArticle
AbstractThe Mg-6%Al-3%Zn and Mg-6%Al-3%Zn-(1%, 1.5%, 2%)In alloys were prepared by melting and casting. Their microstructures were investigated via metallographic and energy-dispersive X-ray spectroscopy (EDS) analysis. Moreover, hydrogen evolution and electrochemical tests were carried out in 3.5 wt% NaCl solution aiming at identifying their corrosion mechanisms and discharge behaviors. The results suggested that indium exerts an improvement on both the corrosion rate and the discharge activity of Mg-Al-Zn alloy via the effects of grain refining, beta-Mg17Al12 precipitation, dissolving-reprecipitation, and self-peeling. The Mg-6%Al-3%Zn-1.5%In alloy with the highest corrosion rate at free corrosion potential did not perform desirable discharge activity indicating that the barrier effect caused by the beta-Mg17Al12 phase would have been enhanced under the conditions of anodic polarization. The Mg-6%Al-3%Zn-1.0%In alloy with a relative low corrosion rate and a high discharge activity is a promising anode material for both cathodic protection and chemical power source applications.
KeywordMagnesium Corrosion Az63 Indium Discharge Behavior
DOI10.3390/met6030065
Indexed BySCI
Language英语
WOS IDWOS:000373616800013
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/126261
Collection海洋环境腐蚀与与生物污损重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.State Grid Corp China, Zhejiang Power Corp, Elect Power Res Inst, Hangzhou 310000, Zhejiang, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Jiarun,Wan, Kai,Jiang, Quantong,et al. Corrosion and Discharge Behaviors of Mg-Al-Zn and Mg-Al-Zn-In Alloys as Anode Materials[J]. METALS,2016,6(3).
APA Li, Jiarun.,Wan, Kai.,Jiang, Quantong.,Sun, Huyuan.,Li, Yantao.,...&Liu, Min.(2016).Corrosion and Discharge Behaviors of Mg-Al-Zn and Mg-Al-Zn-In Alloys as Anode Materials.METALS,6(3).
MLA Li, Jiarun,et al."Corrosion and Discharge Behaviors of Mg-Al-Zn and Mg-Al-Zn-In Alloys as Anode Materials".METALS 6.3(2016).
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