不同Ca和Nd含量对Mg-6Al合金腐蚀性能旳影响

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不同Ca和Nd含量对Mg-6Al合金腐蚀性能旳影响
Effects of Different Ca and Nd Addition on Corrosion Resistance of Mg-6Al Alloys
2015年35卷第4期页码：430-433
纸质出版日期： 2015 ，
DOI： 10.15980/j.tzzz.2015.04.028

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[1]张靖,冯义成,王琴,王丽萍,郭二军.不同Ca和Nd含量对Mg-6Al合金腐蚀性能旳影响[J].特种铸造及有色合金,2015,35(04):430-433.

Zhang Jing, Feng Yicheng, Wang Qin, et al. Effects of Different Ca and Nd Addition on Corrosion Resistance of Mg-6Al Alloys[J]. Special Casting & Nonferrous Alloys, 2015,35(4):430-433.
[1]张靖,冯义成,王琴,王丽萍,郭二军.不同Ca和Nd含量对Mg-6Al合金腐蚀性能旳影响[J].特种铸造及有色合金,2015,35(04):430-433. DOI： 10.15980/j.tzzz.2015.04.028.

Zhang Jing, Feng Yicheng, Wang Qin, et al. Effects of Different Ca and Nd Addition on Corrosion Resistance of Mg-6Al Alloys[J]. Special Casting & Nonferrous Alloys, 2015,35(4):430-433. DOI： 10.15980/j.tzzz.2015.04.028.

通过扫描电镜（SEM）、浸泡试验、电化学分析等方法

研究了不同Ca和Nd添加量对Mg-6Al合金腐蚀性能旳影响。结果表明

随着Nd、Ca添加量的增加

Mg-6Al合金的耐腐蚀性能都有不同程度的增强。当加入2%的Nd和2%的Ca时

合金的耐蚀性最好

随Nd、Ca含量的继续加入

耐蚀性反而降低。通过浸泡试验发现

pH值变化由快到慢

最后趋于稳定。

Effects of different Ca and Nd addition on corrosion resistance of the Mg-6Al alloy were investigated by SEM（scanning electron microscopy）

immersion testing and electro-chemical analysis.The results reveal that with increasing in Ca and Nd addition

corrosion resistance of the Mg-6Al alloy is improved gradually

and with 2% Ca and 2% Nd addition

corrosion resistance of the alloy exhibits desirable.With further increasing in addition

the corrosion resistance is decreased slightly.Immersion testing reveals that change of pH value is firstly rapid and then slow

finally tending to be constant.

Mg-Al合金电化学腐蚀性能

Mg-6Al AlloyElectrochemicalCorrosion Properties

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