| Q345E钢在模拟海水溶液中的腐蚀行为 |
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| 引用本文： | 王婷,宋义全,王鸿,张翰威.Q345E钢在模拟海水溶液中的腐蚀行为[J].包头钢铁学院学报,2013(4):339-343. |
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| 作者姓名： | 王婷 宋义全 王鸿 张翰威 |
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| 作者单位： | 内蒙古科技大学材料与冶金学院,内蒙古包头014010 |
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| 摘 要： | 采用失重法及电化学方法研究了Q345E钢在模拟海水溶液（3．5％NaCl）中的腐蚀行为．结果表明：Q345E钢自腐蚀电位前期急剧下降，实验后期逐渐趋于稳定；腐蚀初期腐蚀介质充足且发生吸氧腐蚀使Q345E钢的腐蚀速率较大，随着浸泡腐蚀时间的延长及腐蚀产物的附着，腐蚀速率逐渐减小，在腐蚀后期因附着产物脱落而增大．
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| 关 键 词： | Q345E钢 海水腐蚀 腐蚀速率 |
Corrosion behavior of Q345E steel in simulated seawater |
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| WANG Ting,SONG Yi-quan,WANG Hong,ZHANG Han-wei.Corrosion behavior of Q345E steel in simulated seawater[J].Journal of Baotou University of Iron and Steel Technology,2013(4):339-343. |
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| Authors: | WANG Ting SONG Yi-quan WANG Hong ZHANG Han-wei |
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| Affiliation: | (Materials and Metallurgy School,Inner Mongolia University of Science and Technology, Baotou 014010 ,China) |
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| Abstract: | The corrosion behavior of Q345E steel in the simulated seawater （3.5% NaC1） was studied using weight loss method and electrochemical method. The results showed that, the corrosion potential of Q345E steel declined sharply in pre stage and gradually sta- bilized in later stage; the adequate corrosion medium and oxygen-consuming corrosion made corrosion rate of Q345E steel large in the initial period ; with the increase of the immersion corrosion time and the adhesion of the corrosion products, the corrosion rate gradually decreases, but finally increases in post-etching due to the falling of the corrosion products. |
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| Keywords: | Q345 E steel seawater corrosion corrosion rate |
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