铜在臭氧中腐蚀初期的行为与机理
Initial Stage Corrosion Behavior and Mechanism of Copper Exposed to Ozone
摘 要
采用石英晶体微天平(QCM)反应性监测方法研究了铜在臭氧环境中的腐蚀初期行为及机理。通过监测不同臭氧浓度、不同温度下表面镀铜石英晶振片的频率变化, 得到铜在臭氧环境中的腐蚀动力学曲线, 并据此计算了腐蚀速度等参数, 进一步推测铜在臭氧中的腐蚀机理。结果表明, 在特定腐蚀条件下, 镀铜石英晶振片的频率随时间变化呈下降趋势, 说明晶振片表面的铜与腐蚀介质发生反应生成腐蚀产物, 导致镀铜石英晶振片表面质量增加, 引起频率下降。臭氧浓度和温度对铜的腐蚀行为有着不同程度的影响, 随着臭氧浓度的增大和反应温度的升高, 铜的腐蚀速率不断增大。
大气腐蚀
铜
石英晶体微天平(QCM)
ozone
atmospheric corrosion
copper
QCM
Abstract
The corrosion behavior and mechanism of copper exposed to ozone at initial stage were investigated by using a quartz crystal microbalance(QCM). Through monitoring the frequency changes of copper-electrodeposited quartz crystal at different ozone concentrations and different temperatures, the corrosion kinetic curves were obtained. According to these curves, the corrosion rate and other related parameters were calculated and the corrosion mechanism involved was put forward. The results showed that, under specified corrosion conditions, the frequency change of the copper-electrodeposited quartz crystal decreased with the time. This indicated that the copper on the quartz crystal surface reacted with the corrosion medium to form corrosion products, which led to an increase of the surface mass of the quartz crystal and a decrease in the frequency. Ozone concentration and temperature can exercise an influence on the corrosion behavior of copper in various degrees. With the increase of ozone concentration and reaction temperature, the corrosion rate of copper gradually increased.
中图分类号 TG171 TG172
所属栏目 试验研究
基金项目 国家科技支撑计划滚动课题(2010BAK67B15); 上海市自然科学基金(10ZR1407900); 国家文物局重点科研基地课题(20080214)
收稿日期 2011/10/28
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备注闫莹, 讲师, 博士,
引用该论文: YAN Ying,ZHANG Ting,ZHOU Hao,WU Lai-ming,LU Dan-dan,DENG Li-juan,CAI Lan-kun. Initial Stage Corrosion Behavior and Mechanism of Copper Exposed to Ozone[J]. Corrosion & Protection, 2012, 33(10): 845
被引情况:
【1】武琼,闫莹,周浩,吴来明,郭宇平,蔡兰坤, "碳钢在臭氧中的初期腐蚀行为与机理",腐蚀与防护 35, 767-770(2014)
【2】任汉涛,银朝晖,王平,周慧波,柳森,徐松,朱志平, "电网铜材在含H2S大气中的腐蚀研究现状",腐蚀与防护 35, 1074-1077(2014)
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参考文献
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【3】高青, 毛磊, 吴立成, 等. 铜在大气中的腐蚀[J]. 河北科技大学学报, 2003, 24(4): 29-34.
【4】罗曦芸, 吴来明. 陈列银币变色原因初步分析[J]. 文物保护与考古科学, 2006, 18(2): 14-19.
【5】莱格拉夫 C, 格雷德尔 T(著). 大气腐蚀[M]. 韩恩厚等译. 北京: 化学工业出版社, 2005: 97.
【6】Szo″cs E, Vastag Gy, Shaban A, et al. Electrochemical behaviour of an inhibitor film formed on copper surface[J]. Corrosion Science, 2005, 47: 893-908.
【7】Telegdi J, Shaban A, Ka′lma′n E. EQCM study of copper and iron corrosion inhibition in presence of organic inhibitors and biocides[J]. Electrochimica Acta, 2000, 45: 36-41.
【8】Vastag Gy, Szo″cs E, Shaban A, et al. Adsorption and corrosion protection behavior of thiazole derivatives on copper surfaces[J]. Solid State Ionics, 2001, 141-142: 88.
【9】Scendo M. The influence of adenine on corrosion of copper in chloride solutions[J]. Corrosion Science, 2008, 50: 2072.
【10】Gila H, Leygraf C. Quantitative in situ analysis of initial atmospheric corrosion of copper induced by acetic acid[J]. Journal of the Electrochemical Society, 2007, 154(5): 272-278.
【11】Gila H, Leygraf C. Initial atmospheric corrosion of copper induced by carboxylic acids-A comparative in situ study[J]. Journal of the Electrochemical Society, 2007, 154(11): 611-617.
【12】Aastrup T, Wadsak M, Schreiner M, et al. Experimental in situ studies of copper exposed to humified air[J]. Corrosion Science, 2000, 42(6): 957-967.
【13】屈庆, 严川伟, 白玮, 等. SO2存在下NaCl沉积量对Zn大气腐蚀的影响[J]. 金属学报, 2001, 37(1): 72-76.
【14】Mariaca L, Fuente D de la, Feliu Jr S, et al. Interaction of copper and NO2: Effect of joint presence of SO2, relative humidity and temperature[J]. Journal of Physics and Chemistry of Solids, 2008, 69: 895-904.
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