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

Xia Yan; Liu Pan; Zhang Jianqing; Cao Fahe

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

机译：不同相对湿度下薄电解质层下风化钢的腐蚀行为

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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 mu m. 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.

机译：通过阴极偏振，电化学阻抗谱，电化学噪声，SEM / EDS，XRD和拉曼光谱研究了薄电解质层（RH）下薄电解质层（TEL）下的耐风气钢的腐蚀行为。结果表明，在初始阶段期间，当Tel的初始厚度超过100μm时，随着RH减小，腐蚀速率增加。在中间和最终腐蚀阶段期间，耐候钢的腐蚀行为受RH的影响，即电话和腐蚀产品的初始厚度。 TEL腐蚀分为三种类型，还提出了一种在TEL和散装溶液下的耐候钢腐蚀模型。

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来源
《Journal of Materials Engineering and Performance》 |2018年第1期|共17页
作者
Xia Yan; Liu Pan; Zhang Jianqing; Cao Fahe;
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作者单位

Zhejiang Univ Sch Mat Sci &

Engn Key Lab Adv Mat &

Applicat Batteries Zhejiang Pro China State Key Lab Silicon Mat Hangzhou 310027 Zhejiang Peoples R China;

Zhejiang Univ Dept Chem Hangzhou 310027 Zhejiang Peoples R China;

Zhejiang Univ Dept Chem Hangzhou 310027 Zhejiang Peoples R China;

Zhejiang Univ Dept Chem Hangzhou 310027 Zhejiang Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类金属学与金属工艺;工程材料学;
关键词
EIS; electrochemical noise; relative humidity; thin electrolyte layer; weathering steel;

机译：EIS;电化学噪声;相对湿度;薄电解质层;耐候钢;

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1. Corrosion Behavior of Weathering Steel Under Thin Electrolyte Layer at Different Relative Humidity [J] . Xia Yan, Liu Pan, Zhang Jianqing, Journal of Materials Engineering and Performance . 2018,第1期

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

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