Droplet cell investigation of intergranular corrosion on AA2024

被引：8

作者：

Bonzom, Remy ^{[1
]}

Oltra, Roland ^{[1
]}

机构：

[1] Univ Bourgogne Franche Comte, CNRS, UMR 6303, ICB, Dijon, France

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2017年 / 81卷

关键词：

Intergranular corrosion; Aluminium alloy; Droplet cell; Anodic current; Foil penetration technique; FOIL PENETRATION TECHNIQUE; AL-CU ALLOYS; LOCALIZED CORROSION; ALUMINUM-ALLOYS; GROWTH-KINETICS;

D O I：

10.1016/j.elecom.2017.06.011

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

An original method combining a droplet cell with direct optical interrogation of the reverse side of a 50 mu m thick foil AA2024 has been tested to evaluate the possible analysis of the current during intergranular corrosion tests. The foil microstructure and the selected orientation were suitable for recording the current generated during the propagation in volume of a well-defined grain boundary trace. Even if it is impossible to reach a charge and mass balance from these preliminary attempts, it was demonstrated that it is possible, despite hydrogen evolution, to record a current transient resulting from the full penetration of an intergranular path.

引用

页码：84 / 87

页数：4

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