Corrosion Behavior of AZ61 Magnesium Alloys in NaCl Solution

被引：1
|
作者：
Chai Yue-sheng [1 ,2 ]
Wang Li-na [2 ]
Sun Gang [1 ,2 ]
Sun Shu-li [2 ]
Zhang Min-gang [1 ,2 ]
机构：
[1] Shanxi Prov Engn & Technol Res Ctr Mg & Mg Alloy, Taiyuan 030024, Shanxi, Peoples R China
[2] Taiyuan Univ Sci & Technol, Coll Mat Sci & Engn, Taiyuan, Shanxi 030024, Peoples R China
来源：
ADVANCED MATERIALS, PTS 1-4 | 2011年 / 239-242卷
关键词：
corrosion rate; Cl- ion concentration; corrosion time; magnesium alloy;
D O I：
10.4028/www.scientific.net/AMR.239-242.2240
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Magnesium alloys are used widely because of its good performance. However, its practical application is restricted by low corrosion resistance. In this study, the effects of corrosion time and NaCl concentration on the corrosion behavior of AZ61 magnesium alloy were investigated from the corrosion morphology and the corrosion rate. These results have displayed that the corrosion rate of AZ61 magnesium alloy decreases with the increasing etching time. Meanwhile, the corrosion rate of AZ61 magnesium alloy increases with the increasing sodium chloride concentration. This is mainly because that the Cl- ion in the solution destroys the protective film on the surface of magnesium alloy and the high Cl- ion concentration accelerates the corrosion rate.
引用
收藏
页码：2240 / +
页数：2
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