20钢与08碳钢的循环水腐蚀行为评价对比

中国腐蚀与防护学报

2011, Vol. 31

Issue (4): 289-293

研究报告

本期目录 | 过刊浏览

20钢与08碳钢的循环水腐蚀行为评价对比

刘佐嘉¹,程学群¹,吕胜杰²,李晓刚¹

1. 北京科技大学腐蚀与防护中心北京 100083
2. 中国石油化工股份有限公司石家庄炼化分公司机动处石家庄 050032

EVALUATION AND COMPARISON OF CORROSION BEHAVIOR ON 20 & 08 CARBON STEELS IN SIMULATED CIRCULATING COOLING WATER

LIU Zuojia¹, CHENG Xuequn¹, LV Shengjie², LI Xiaogang¹

1. Corrosion and Protection Centre, University of Science and Technology Beijing, Beijing 100083
2. Equipment and Power Department, Shijiazhuang Refine & Chemical Company Limited, SINOPEC,Shijiazhuang 050032

全文: PDF(3658 KB)

摘要: 应用电化学和浸泡实验对比20钢与08碳钢在模拟循环冷却水中的耐蚀性，从实验结果得出08碳钢的耐蚀性能比20钢优异；由于在冷却水循环过程中金属表面形成的水膜层逐渐增厚可能使氯离子等侵蚀性离子积聚在表层难以扩散出去，导致腐蚀现象越来越严重，08碳钢中Cr含量比20钢高可能是08钢更耐蚀的原因之一。

关键词 ：极化, 电化学阻抗, 浸泡, 20碳钢, 08碳钢

Abstract：Evaluated and compared with the corrosion resistance of 20 & 08 carbon steels by electrochemical and immersion experiments. It can be seen that the corrosion resistance of 08 carbon steel is greater than 20 carbon steel from the experiment results. More and more Cl^- which properly accumulated on the surface of pipeline and hard to diffuse from the steel when the water layer formed on the surface of metal become thicker, and then corrosion problem got worse. The content of Cr in 08 carbon steel is higher than 20 carbon steel which is properly reason why the corrosion resistance of 08 carbon steel is better than 20 carbon steel

Key words： polarization electrochemical impedance spectroscopy(EIS) immersion 20 carbon steel 08 carbon steel

收稿日期: 2010-04-20

ZTFLH:

TG174.2

基金资助:

国家自然科学基金项目(50871020)资助

通讯作者: 刘佐嘉 E-mail: lzandj@yahoo.com.cn

Corresponding author: LIU Zuojia E-mail: lzandj@yahoo.com.cn

作者简介: 刘佐嘉，男，1985年生，硕士，研究方向为材料的腐蚀与防护

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引用本文:

刘佐嘉,程学群,吕胜杰,李晓刚. 20钢与08碳钢的循环水腐蚀行为评价对比[J]. 中国腐蚀与防护学报, 2011, 31(4): 289-293.
LIU Zuo-Jia. EVALUATION AND COMPARISON OF CORROSION BEHAVIOR ON 20 & 08 CARBON STEELS IN SIMULATED CIRCULATING COOLING WATER. J Chin Soc Corr Pro, 2011, 31(4): 289-293.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2011/V31/I4/289

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