Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第11卷    第z1期    总第100期    2001年5月

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文章编号:1004-0609(2001)S1-0079-04
Influence of chemical composition on corrosion resistance
of AZ91D magnesium alloy ingots
LIN Gao-yong(林高用), Peng Da-shu(彭大暑), ZHANG Hui(张 辉)

(Department of Materials Science and Engineering, Central South University,
Changsha 410083, P.R.China
)

摘 要:

 

关键字:

Influence of chemical composition on corrosion resistance
of AZ91D magnesium alloy ingots
LIN Gao-yong(林高用), Peng Da-shu(彭大暑), ZHANG Hui(张 辉)

Department of Materials Science and Engineering, Central South University,
Changsha 410083, P.R.China

Abstract:The influence of chemical composition on corrosion resistance of AZ91D magnesium alloys ingots has been investigated. Mass-loss method was applied to evaluate the corrosion resistance of AZ91D alloys and the data were analyzed by multiple regression. The results show that the corrosion resistance of this alloy can be improved by increasing Al, Zn and Mn in a certain degree, and will drop with increasing Si and heavy metals (Fe, Cu, Ni). It is found that ingots received from company F should be listed into unusable materials in terms of the corrosion resistance, while among the five suppliers, the only local company E supplied excellent AZ91D magnesium alloy ingots with the best corrosion resistance.

 

Key words: AZ91D magnesium alloy; chemical composition; property of corrosion resistance; corrosion rate

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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