磁场和NaCl液膜耦合作用下铜腐蚀产物的演化
Evolution of Copper Corrosion Products in a Coupling Environment of Magnetic Field and NaCl Electrolyte Layer
摘 要
在外加磁场条件下对铜进行了静态NaCl液膜下腐蚀试验，通过扫描电镜（SEM）和X射线衍射（XRD）等技术研究了水平磁场对液膜下铜腐蚀产物演化的影响。结果表明：铜在NaCl液膜和磁场耦合环境中的腐蚀产物由疏松的Cu2（OH）3Cl外层和致密的Cu2O内层组成；磁场没有改变铜在NaCl液膜下的腐蚀机理，但加速了腐蚀的进程，改变了腐蚀产物的形貌，经过30 d腐蚀后，腐蚀产物层表面形成了球状Cu2（OH）3Cl晶粒。
铜
液膜下腐蚀
腐蚀机理
magnetic field
copper
corrosion under electrolyte layer
corrosion mechanism
Abstract
Corrosion tests on copper under static NaCl electrolyte layer were carried out in applied magnetic field. The effect of horizontal magnetic field on corrosion product evolution of copper under electrolyte layer was investigated through scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results showed that the corrosion products of copper consisted of loose outer layer with Cu2(OH)3Cl and dense inner layer with Cu2O in the environment of NaCl electrolyte layer coupling with magnetic field. The magnetic field did not change the corrosion mechanism of copper under electrolyte layer, but accelerated the corrosion process and changed the morphology of corrosion products. After 30 days of corrosion, spherical Cu2(OH)3Cl grains formed on the surface of the corrosion product layer.
中图分类号 TG174.31 DOI 10.11973/fsyfh-202305005
所属栏目 试验研究
基金项目 常熟理工学院青年基金项目（QZ00601）
收稿日期 2021/7/25
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引用该论文: YU Xueyong,ZHU Chongyang,WANG Zehua. Evolution of Copper Corrosion Products in a Coupling Environment of Magnetic Field and NaCl Electrolyte Layer[J]. Corrosion & Protection, 2023, 44(5): 23
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【2】FATEH A, ALIOFKHAZRAEI M, REZVANIAN A R. Review of corrosive environments for copper and its corrosion inhibitors[J]. Arabian Journal of Chemistry, 2020, 13(1):481-544.
【3】SCHINDELHOLZ E J, CONG H, JOVE-COLON C F, et al. Electrochemical aspects of copper atmospheric corrosion in the presence of sodium chloride[J]. Electrochimica Acta, 2018, 276:194-206.
【4】STRATMANN M, STRECKEL H. On the atmospheric corrosion of metals which are covered with thin electrolyte layers-I.Verification of the experimental technique[J]. Corrosion Science, 1990, 30(6/7):681-696.
【5】STRATMANN M, STRECKEL H. On the atmospheric corrosion of metals which are covered with thin electrolyte layers-II.Experimental results[J]. Corrosion Science, 1990, 30(6/7):697-714.
【6】KEAR G, BARKER B D, WALSH F C. Electrochemical corrosion of unalloyed copper in chloride media-a critical review[J]. Corrosion Science, 2004, 46(1):109-135.
【7】ANG L Y, OTHMAN N K, JALAR A, et al. The effect of magnetic field on corrosion inhibitor of copper in 0.5 M HCl solution[J]. Procedia Chemistry, 2016, 19:222-227.
【8】YU X Y, WANG Z H, LU Z H. In situ investigation of atmospheric corrosion behavior of copper under thin electrolyte layer and static magnetic field[J]. Microelectronics Reliability, 2020, 108:113630.
【9】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.
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