Using electrochemical methods to determine alloy 22's crevice corrosion repassivation potential

被引：54

作者：

Evans, KJ ^{[1
]}

Yilmaz, A ^{[1
]}

Day, SD ^{[1
]}

Wong, LL ^{[1
]}

Estill, JC ^{[1
]}

Rebak, RB ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

JOM | 2005年 / 57卷 / 01期

关键词：

Localize Corrosion; Weld Seam; Lawrence Livermore National Laboratory; Crevice Corrosion; Passive Current Density;

D O I：

10.1007/s11837-005-0065-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Alloy 22 (N06022) is a nickel-based alloy highly resistant to corrosion. In aggressive conditions of high chloride concentration, temperature, and applied potential, alloy 22 may suffer crevice corrosion, a form of localized corrosion. Several electrochemical methods can be used to detect localized corrosion in metallic alloys. One of the most popular for rapid screening is cyclic potentiodynamic polarization (CPP). This work compares the repassivation potentials obtained using CPP to repassivation potentials obtained using the Tsujikawa-Hisamatsu Electrochemical method and the potentiostatic method.

引用

页码：56 / 61

页数：6

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