Corrosion Protection and Microstructure of Magnesium Alloys Anodized by Phosphate Solution.

被引：0
|
作者：
Murakami, Koji [1 ]
Hino, Makoto [1 ]
Saijo, Atsushi [2 ]
Kanadani, Teruto [3 ]
机构：
[1] Ind Technol Res Inst Okayama Prefectural Govt, 5301 Haga, Okayama 7011296, Japan
[2] Hori Met Finishing Ind Co Ltd, Takahashi, Okayama 7160061, Japan
[3] Okayama Univ Sci, Fac Engn, Okayama 7000005, Japan
来源：
THERMEC 2009, PTS 1-4 | 2010年 / 638-642卷
关键词：
Magnesium alloy; anodization; conversion treatment; phosphate solution; sacrificial protection; microstructure;
D O I：
10.4028/www.scientific.net/MSF.638-642.1464
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Corrosion protection by anodization and conversion treatment in phosphate solution was studied by microstructural and electrochemical analysis Both the anodized and the conversion-treated layers showed sacrificial protection in a solution of sodium chloride The corrosion current or the dissolving rate of the anodized layer was smaller than that of the conversion-treated surface. The modified layers had another mode of protection to form protective films on magnesium substrate where the original modified layers were mechanically lost Since the state of magnesium in the anodized layer is close to magnesium oxide, phosphorus in the layer is considered to have an important role in these properties concerning the above corrosion protection
引用
收藏
页码：1464 / +
页数：2
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