磁场对铜在几种酸性溶液中阳极溶解的影响
Effects of Magnetic Fields on Anodic Dissolution of Copper in Solutions of Various Acidities
摘 要
研究了0~0.4T磁场对铜在中性和酸性含硫酸根溶液中阳极极化行为的影响。阳极极化曲线中的阳极电流峰和对应的电位随磁通量密度的增大而增大。增加溶液酸度会增加阳极极化曲线中电流密度-电位线性区的斜率、增大峰值电流密度, 降低出现电流密度峰值的电位。外加磁场不影响中性溶液中阳极极化曲线中电流密度-电位线性区的斜率。磁场与溶液酸度对铜在高电位区的阳极溶解有协同加速作用。
磁场
溶液酸度
腐蚀
阳极溶解
copper
magnetic field
solution acidity
corrosion
anodic dissolution
Abstract
The effects of horizontal magnetic fields of 0-0.4 T on anodic polarization behavior of copper in neutral and acidic sulfate solutions were investigated. The anodic peak current and potential increased with increasing magnetic flux density. Increasing solution acidity increased the slope of the linear current-potential region, decreased the potential for the peak current and increased the peak current. The slope of the linear-potential region was not affected by applied magnetic fields in a neutral solution. A synergistic enhancing effect of magnetic fields and solution acidity on anodic dissolution of copper at high potentials was observed.
中图分类号 TG172
所属栏目 试验研究
基金项目 上海市浦江人才计划(12PJ1403600);上海大学创新基金;上海大学-兴化市特种不锈钢产业技术研究院基金
收稿日期 2014/2/24
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联系人作者吕战鹏(zplu@shu.edu.cn)
备注吕战鹏(1967-), 研究员, 博士, 从事材料腐蚀与防护研究, 021-56336107.
引用该论文: Lv Zhan-peng,CHEN Jun-jie,XIAO Qian,XIA Xiao-feng. Effects of Magnetic Fields on Anodic Dissolution of Copper in Solutions of Various Acidities[J]. Corrosion & Protection, 2014, 35(12): 1187
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参考文献
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【26】TROMANS D,AHMED T. Active/passive behavior of copper in strong sulfuric acid[J]. J Electrochem Soc,1998,145:601-608.
【27】TROMANS D,SILVA J C. Behavior of copper in acidic sulfate solution:Comparison with acidic chloride[J]. Corrosion,1997,53:171-178.
【28】BASSET M R,HUDSON J L. The oscillatory electrodissolution of copper in acidic chloride solution. I: 0.1 M chloride[J]. J Electrochem Soc,1990,137:922-932.预祝各位编委、审稿专家元旦快乐！
【2】TACKEN R A,JANSSEN L J J. Applications of magnetoelectrolysis[J]. J Appl Electrochem,1995,25:1-5.
【3】AABOUBI O,CHOPART J P,DOUGLADE J,et al. Magnetic field effects on mass transport[J]. J Electrochem Soc,1990,137:1796-1804.
【4】RAGSDALE S R,GRANT K M,WHITE H S. Electrochemically generated magnetic forces.Enhanced transport of a paramagnetic redox species in large, nonuniform magnetic fields[J]. J Am Chem Soc,1998,120:13461-13468.
【5】WANG C, Chen S H. Holographic microphotography study of periodic electrodissolution of iron in a magnetic field[J]. Electrochim Acta,1998,43:2225-2232.
【6】L Z P,HUANG D L,YANG W,et al. Effects of an applied magnetic field on the dissolution and passivation of iron in sulphuric acid[J]. Corros Sci,2003,45:2233-2249.
【7】L Z P,HUANG C B,HUANG D L,et al. Effects of a magnetic field on the anodic dissolution, passivation and transpassivation behaviour of iron in weakly alkaline solutions with or without halides[J]. Corros Sci,2006,48:3049-3077.
【8】L Z P,SHOJI T,YANG W. Anomalous surface morphology of iron generated after anodic dissolution under magnetic fields[J]. Corros Sci,2010,52:2680-2686.
【9】SUEPTITZ R,KOZA J,UHLEMANN M,et al. Magnetic field effect on the anodic behaviour of a ferromagnetic electrode in acidic solutions[J]. Electrochim Acta,2009,54:2229-2233.
【10】SUEPTITZ R,TSCHULIK K,UHLEMANN M,et al. Effect of high gradient magnetic fields on the anodic behaviour and localized corrosion of iron in sulphuric acid solutions[J]. Corros Sci,2011,53:3222-3230.
【11】GU Z H,CHEN J,FAHIDY T Z. The magnetic field effect on the pre-oscillatory formation kinetics of anodic oxide layers[J]. Electrochim Acta,1993,38:2631-2634.
【12】吕战鹏, 黄德伦, 杨武. 磁场对铜在两种浓度氯化钠溶液中阳极溶解的影响[J]. 腐蚀与防护,2001,21:141-143.
【13】YUAN B Y,WANG C,LI L,et al. Investigation of the effects of the magnetic field on the anodic dissolution of copper in NaCl solutions with holography[J]. Corros Sci,2012,58:69-78.
【14】CIERPKA C,WEIER T,GERBETH G,et al. Copper deposition and dissolution in seemingly parallel electric and magnetic fields: Lorentz force distributions and flow configurations[J]. J Solid State Electrochem,2007,11:687-701.
【15】SUGIYAMA S,MORISAKI S,AOGAKI R. Dissolution process of copper sulfate into water in a heterogeneous vertical magnetic field[J]. Materials Transaction,2000,41:1019-1025.
【16】HINDS G,SPADA F E,COEY J M D,et al. Magnetic field effects on copper electrolysis[J]. J Phys Chem B,2001,105:9487-9502.
【17】KIM K,FAHIDY T Z. An analysis of free-convective magnetoelectrolysis in constant magnetic fields[J]. J Electrochem Soc,1995,142:4196-204.
【18】MATTSSON E,BOCKRIS J O M. Galvanostatic studies of the kinetics of deposition and dissolution in the copper+copper sulphate system[J]. Trans Faraday Soc,1959,55:1586-1601.
【19】BOCKRIS J O M,KITA H. The dependence of charge transfer and surface diffusion rates on the structure and stability of an electrode surface[J]. J Electrochem Soc,1962,109:928-939.
【20】BOCKRIS J O M,ENYO M. Mechanism of electrodeposition and dissolution processes of copper in aqueous solutions[J]. Trans Faraday Soc,1962,58:1187-1202.
【21】WONG D K Y,COLLER B A W,MACFARLANE D R. A kinetic model for the dissolution mechanism of copper in acidic sulfate solutions[J]. Electrochim Acta,1993,38:2121-2127.
【22】SLAIMAN Q J M,LORENZ W J. Investigations of the kinetics of Cu/Cu2+ electrode using the galvanostatic double pulse method[J]. Electrochim Acta,1974,19:791-798.
【23】STANKOVIC Z D. The integral capacitance,kinetics and mechanisms of the Cu/Cu(II) system in sulphuric acid media[J]. Electrochim Acta,1983,28:109-112.
【24】AWAD S A,KAMEL K,ELHADI Z A,et al. Mechanism of anodic dissolution of copper in aqueous acidified solutions of different anions[J]. J Electroanal Chem,1986,199:341-350.
【25】LU Y H,WANG W,XU H B,et al. Copper corrosion and anodic electrodissolution mechanisms in naturally aerated stagnant 0.5 M H2SO4[J]. Corros Sci,2010,52:780-787.
【26】TROMANS D,AHMED T. Active/passive behavior of copper in strong sulfuric acid[J]. J Electrochem Soc,1998,145:601-608.
【27】TROMANS D,SILVA J C. Behavior of copper in acidic sulfate solution:Comparison with acidic chloride[J]. Corrosion,1997,53:171-178.
【28】BASSET M R,HUDSON J L. The oscillatory electrodissolution of copper in acidic chloride solution. I: 0.1 M chloride[J]. J Electrochem Soc,1990,137:922-932.预祝各位编委、审稿专家元旦快乐！
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