EFFECT OF MN ADDITIONS ON THE CORROSION BEHAVIOR OF MOLD-CAST MAGNESIUM ASTM AZ91

被引：137
|
作者：
LUNDER, O
AUNE, TK
NISANCIOGLU, K
机构：
[1] UNIV TRONDHEIM,SCI & IND RES FDN,CTR CORROS,N-7034 TRONDHEIM NTH,NETHERLANDS
[2] NORWEGIAN INST TECHNOL,DEPT CHEM,N-7034 TRONDHEIM,NETHERLANDS
[3] NORSK HYDRO AS,N-3901 PORSGRUNN,NORWAY
来源：
CORROSION | 1987年 / 43卷 / 05期
关键词：
CORROSION - Pitting - MAGNESIUM CASTINGS - Corrosion - MAGNESIUM METALLOGRAPHY - Microstructures - MICROSCOPIC EXAMINATION - Scanning Electron Microscopy;
D O I：
10.5006/1.3583151
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
One of the major causes of magnesium corrosion is the presence of iron as an impurity in commercial alloys. Alloying the material with manganese may reduce the corrosion rate acceptable levels. The corrosion rate of a Mg-9% Al-1% Zn alloy containing varying amounts of Mn and Fe correlates with the Fe:Mn ratio in the alloy and in the aluminum-base intermetallics. The ratio is suggested to be the basic parameter determining the corrosion rate for a given thermomechanical history.
引用
收藏
页码：291 / 295
页数：5
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