Mechanism and kinetics of anodic dissolution of aluminum and its alloys with zinc and rare-earths in a sodium polyvanadate solution

被引：0

作者：

Kharina, GV ^{[1
]}

Kuznetsov, MV ^{[1
]}

Kochergin, VP ^{[1
]}

机构：

[1] Ural State Univ, Res Inst Phys & Appl Math, Yekaterinburg 620083, Russia

来源：

RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 1998年 / 34卷 / 05期

关键词：

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Gravimetry, ac impedance, X-ray photoelectron spectroscopy, and anodic polarization curves are used to demonstrate that the Al-Zn(45 wt%) alloy has a lower corrosion resistance in a 0.5 M NaVO3 solution at 298 K than the same alloy microdoped with rare earths (0.1 wt%). The minimum electrode capacitance at the metal-solution interface is displayed by the Al-Zn (45 wt%) alloy, and the maximum, by the Al-Zn (45 wt%)-Sc (0.1 wt%) alloy; the latter is also characterized by a minimum current density of anodic passivation.

引用

页码：482 / 485

页数：4

共 47 条

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