交流电场中碳钢和镀锌钢的大气腐蚀行为
Atmospheric Corrosion Behavior of Carbon Steel and Galvanized Steel in Alternating Electric Field
摘 要
采用自制装置模拟大气环境中钢表面形成的液膜，通过电化学方法研究碳钢和镀锌钢在不同厚度液膜下的阴极还原过程及腐蚀演化信息，并进一步明确不同强度交流电场对镀锌钢的影响。结果表明：碳钢表面锌层能有效保护钢铁基体，液膜和交流电场的存在会加速碳钢和镀锌钢的腐蚀；液膜厚度越小和交流电场强度越大，镀锌钢的腐蚀速率也越大。
碳钢
镀锌钢
电化学行为
交流电场
atmospheric corrosion
carbon steel
galvanized steel
electrochemical behavior
alternating electric (AC) field
Abstract
A self-made device was used to simulate the liquid film formed on the surface of steel in an atmospheric environment. Electrochemical methods were used to study the cathodic reduction process and corrosion evolution information of carbon steel and galvanized steel under liquid film with different thicknesses, and further clarify the influence of alternating current (AC) electric field with different strengths on galvanized steel. The results show that the zinc layer on the surface of carbon steel could effectively protect the steel matrix, and the presence of liquid film and AC electric field would accelerate the corrosion of carbon steel and galvanized steel. The smaller the thickness of the liquid film and the greater the intensity of the AC electric field, the greater the corrosion rate of galvanized steel.
中图分类号 TG172 DOI 10.11973/fsyfh-202111003
所属栏目 试验研究
基金项目 国家自然科学基金（51771174）；国网浙江省电力有限公司项目（5211HD180009）
收稿日期 2020/4/13
修改稿日期
网络出版日期
作者单位点击查看
联系人作者赵旭阳(35883400@qq.com)
引用该论文: ZHAO Xuyang,WU Fangfang,HU Lulu,SHENG Yehong,HONG Jing,CAO Fahe. Atmospheric Corrosion Behavior of Carbon Steel and Galvanized Steel in Alternating Electric Field[J]. Corrosion & Protection, 2021, 42(11): 20
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参考文献
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【2】MA Y T, LI Y, WANG F H. The atmospheric corrosion kinetics of low carbon steel in a tropical marine environment[J]. Corrosion Science, 2010, 52(5):1796-1800.
【3】FUENTES M, DE LA FUENTE D, CHICO B, et al. Atmospheric corrosion of zinc in coastal atmospheres[J]. Materials and Corrosion, 2019, 70(6):1005-1015.
【4】GRAEDEL T E. Corrosion mechanisms for zinc exposed to the atmosphere[J]. Journal of the Electrochemical Society, 1989, 136(4):193C-203C.
【5】李锐海, 廖一帆, 罗凌, 等. 特高压直流瓷绝缘子金具电解腐蚀问题研究[J]. 电瓷避雷器, 2015(1):1-6.
【6】林德源, 戴念维, 陈云翔, 等. 模拟海洋大气条件下直流电场作用对碳钢初期腐蚀行为的影响[J]. 腐蚀科学与防护技术, 2017, 29(1):63-67.
【7】DAI N W, ZHANG J X, CHEN Q M, et al. Effect of the direct current electric field on the initial corrosion of steel in simulated industrial atmospheric environment[J]. Corrosion Science, 2015, 99:295-303.
【8】DAI N W, ZHANG J X, CHEN Q M, et al. Influence of direct current electric field on the formation, composition and microstructure of corrosion products formed on the steel in simulated marine atmospheric environment[J]. Acta Metallurgica Sinica (English Letters), 2016, 29(4):373-381.
【9】原徐杰, 张俊喜, 陈启萌, 等. 电场作用下金属Zn在薄液膜下的电极过程研究[J]. 腐蚀科学与防护技术, 2014, 26(3):197-204.
【10】朱紫晶, 魏莉莎, 陈振宇, 等. 薄层液膜下空间电场对碳酸环己胺缓蚀性能的影响[J]. 中国腐蚀与防护学报, 2017, 37(3):216-220.
【11】HUANG H L, GUO X P, ZHANG G A, et al. Effect of direct current electric field on atmospheric corrosion behavior of copper under thin electrolyte layer[J]. Corrosion Science, 2011, 53(10):3446-3449.
【12】HUANG H L, GUO X P, ZHANG G A, et al. The effects of temperature and electric field on atmospheric corrosion behaviour of PCB-Cu under absorbed thin electrolyte layer[J]. Corrosion Science, 2011, 53(5):1700-1707.
【13】HUANG H L, PAN Z Q, GUO X P, et al. Effect of an alternating electric field on the atmospheric corrosion behaviour of copper under a thin electrolyte layer[J]. Corrosion Science, 2013, 75:100-105.
【14】LIAO X N, CAO F H, ZHENG L Y, et al. Corrosion behaviour of copper under chloride-containing thin electrolyte layer[J]. Corrosion Science, 2011, 53(10):3289-3298.
【15】陈启萌, 张俊喜, 原徐杰, 等. 外加交流电场对薄液膜中氧扩散的影响[J]. 中国腐蚀与防护学报, 2015, 35(6):549-555.
【16】ORAZEM M E, TRIBOLLET B. Electrochemical impedance spectroscopy[M]. Hoboken, NJ, USA:John Wiley & Sons, Inc., 2017.
【17】ZHENG L Y, CAO F H, LIU W J, et al. Corrosion behavior of pure zinc and its alloy under thin electrolyte layer[J]. Acta Metallurgica Sinica (English Letters), 2010, 23(6):416-430.
【18】SZIRAKI L, SZOCS E, PILBATH Z, et al. Study of the initial stage of white rust formation on zinc single crystal by EIS, STM/AFM and SEM/EDS techniques[J]. Electrochimica Acta, 2001, 46(24/25):3743-3754.
【19】曹楚南, 张鉴清. 电化学阻抗谱导论[M]. 北京:科学出版社, 2002.
【20】RODRIGUEZ J J S, ÁLVAREZ C M, GONZALEZ J E G. EIS characterisation of the layer of corrosion products on various substrates in differing atmospheric environments[J]. Materials and Corrosion, 2006, 57(4):350-356.
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