Corrosion behavior of binary magnesium-zinc alloys in saline solutions

被引：1
作者：
Hoyer, P. [1 ]
Angrisani, G. L. [1 ]
Klose, C. [1 ]
Bach, F-W. [1 ]
Hassel, T. [1 ]
机构：
[1] Leibniz Univ Hannover, Inst Werkstoffkunde, D-30823 Hannover, Germany
来源：
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK | 2013年 / 44卷 / 01期
关键词：
magnesium; zinc; corrosion; electrochemical corrosion investigation; HIGH-PURITY MG; HANKS SOLUTION; AZ91; MG2ZN0.2MN; MECHANISM; AZ31; ZE41;
D O I：
10.1002/mawe.201300019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Aluminum is a prevalent alloying element to improve the corrosion resistance of magnesium alloys. Recent investigations found out that alloying small amounts of zinc can decrease the corrosion rate of binary magnesium-zinc alloys. Based on these results low-alloyed MgZn-alloys have been analyzed in gravimetric and electrochemical measurements using varied chloride containing media. It was detected that small amounts of zinc have positive effects on the corrosion behavior; in low as well as high concentrated sodium chloride solutions. The overall tendencies of the results from the gravimetric and electrochemical investigations can be correlated. This was underlined using micro-tomography analyses.
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页码：84 / 93
页数：10
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