Role of Microalloyed Y and Gd in Improving the Corrosion Resistance of Rolled Mg-3Al-1Zn Alloy

被引：0

作者：

Panpan Wang ^{[1
]}

Haitao Jiang ^{[2
]}

Yujiao Wang ^{[2
]}

Yun Zhang ^{[2
]}

Jingchao Tao ^{[1
]}

机构：

[1] Shanghai Key Laboratory of Materials Laser Processing and Modification, and National Engineering Research Center of Light Alloy Net Forming, School of Materials Science and Engineering , Shanghai Jiao Tong University

[2] Institute of Engineering Technology , University of Science and Technology Beijing

来源：

Acta Metallurgica Sinica(English Letters) | 2022年 / 35卷 / 06期

基金：

中央高校基本科研业务费专项资金资助;

关键词：

D O I：

暂无

中图分类号：

TG146.22 [];

学科分类号：

080502 ;

摘要：

The corrosion performances of rolled AZ31 alloy with addition of Y and Gd were comparatively investigated. The corrosion rates of AZ31 alloy modified with Y and Gd were 3.3 and 3.7 mm/y immersing for 24 h in 3.5 wt% NaCl solution, respectively, which were much lower than that of AZ31 alloy(23.6 mm/y). The remarkable improvement in corrosion performance by adding Y or Gd was ascribed to preferentially form less noble Al2Y or Al6GdMn6and more protective corrosion product layer, resulting in the reduction in H2evolution rate and the enhancement of passivity.

引用

页码：941 / 947

页数：7

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[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS, 2022, 35 (06) : 941 - 947
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