Corrosion Properties of Oxide Ceramic Coatings Based on Alloys of the Al-Cu-Mg and Al-Mg Systems

被引：0
作者：
Bilyi, L. M. [1 ]
Posuvailo, V. M. [1 ]
Ivashkiv, V. R. [1 ]
Kovalchuk, I., V [1 ]
机构：
[1] Natl Acad Sci Ukraine, Karpenko Physicomech Inst, Lvov, Ukraine
来源：
MATERIALS SCIENCE | 2021年 / 57卷 / 02期
关键词：
corrosion; plasma-electrolyte oxidation; aluminum oxides; oxide ceramic coatings; X-ray diffraction analysis; alloy; PLASMA ELECTROLYTIC OXIDATION;
D O I：
10.1007/s11003-021-00540-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
By the methods of electrochemical impedance spectroscopy and potentiodynamic methods, we estimate the corrosion resistance of oxide ceramic coatings obtained on Al-Cu-Mg and Al-Mg alloys in the course of ozone bubbling. The results are compared with the data on the corrosion resistance of materials produced by using standard methods. The capacitance of all obtained oxide-ceramic coatings after 90 days is stabilized and becomes equal to 1-4 pF/cm(2). Their corrosion resistance of the D16 alloy is twice higher than for the AMg5 alloy. All developed coatings are characterized by the elevated protective properties and their resistance in a 3% aqueous solution of sodium chloride is 1-4 G omega . cm(2).
引用
收藏
页码：256 / 263
页数：8
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