Corrosion Behavior of Weathering Steel Under Thin Electrolyte Layer at Different Relative Humidity

被引：0
|
作者：
Yan Xia
Pan Liu
Jianqing Zhang
Fahe Cao
机构：
[1] Zhejiang University,China State Key Laboratory of Silicon Materials, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, School of Materials Science and Engineering
[2] Zhejiang University,Department of Chemistry
来源：
Journal of Materials Engineering and Performance | 2018年 / 27卷
关键词：
EIS; electrochemical noise; relative humidity; thin electrolyte layer; weathering steel;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The corrosion behavior of weathering steel under thin electrolyte layer (TEL) at different relative humidity (RH) was investigated by cathodic polarization, electrochemical impedance spectroscopy, electrochemical noise, SEM/EDS, XRD and Raman spectroscopy. The results indicate that during the initial stage, the corrosion rate increases as the RH decreases when the initial thickness of TEL is above 100 μm. During the middle and final corrosion stages, the corrosion behavior of weathering steel is influenced by RH, the initial thickness of TEL and corrosion product. The TEL corrosion is divided into three types, and a weathering steel corrosion model under TEL and bulk solution is also proposed.
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页码：202 / 218
页数：16
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