The relation between individual properties of alloy components and anodic behavior of multicomponent alloys in acidic environments. III. The effect of halide ions on active dissolution and passivation of Fe-Cr, Ni-Cr, and Fe-Cr-Ni alloys

被引：0
作者：
V. P. Razygraev
M. V. Lebedeva
机构：
[1] Russian Academy of Sciences,Frumkin Institute of Physical Chemistry and Electrochemistry
来源：
Protection of Metals and Physical Chemistry of Surfaces | 2013年 / 49卷
关键词：
Ni-Cr and Fe-Cr-Ni alloys; sulfuric acid; Cl; , Br; , and I; anions; potential; active dissolution; step-by-step passivation; active sites;
D O I：
暂无
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学科分类号：
摘要：
The anodic behavior of alloy components in the presence of ions added to the solution is considered on the basis of concepts about the operation and blockade of active dissolution sites. Halide ions selectively change the anodic behavior of only nickel and iron components. The ions suppress reactions in which OH-ions are involved and promote new anodic processes, which is especially pronounced in the case of a nickel component in the presence of Cl−.
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页码：811 / 817
页数：6
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