2205双相不锈钢在HCl溶液中点蚀的AFM和电化学分析
AFM and Electro-chemical Analysis of Pitting Corrosion of 2205 Duplex Stainless Steel in HCl Solution
摘 要
为了解2205双相不锈钢(2205DSS)在0.5 mol/L和1 mol/L HCl中的点蚀行为,用原子力显微镜(AFM)观察了2205DSS在0.5 mol/L和1 mol/L HCl溶液中浸蚀不同时间后的点蚀形貌；通过动电位扫描曲线测试了2205DSS在两种溶液中的耐点蚀性能.结果表明,2205DSS在0.5 mol/L HCl和在1 mol/L HCl溶液中都具有较好的耐点蚀能力.
点蚀
HCl
原子力显微镜
2205 duplex stainless steel
pitting corrosion
HCl
AFM
Abstract
In order to study the pitting corrosion of 2205 duplex stainless steel(2205DSS) in 0.5 mol/L and 1 mol/L HCl solution,the pitting corrosion morphology of 2205DSS in 0.5 mol/L and 1 mol/L HCl solutions were analyzed by atomic force microscope (AFM) at different time;potentiodynamic polarrization curves were tested to evaluate the pitting corrosion resistance of 2205DSS in 0.5 mol/L and 1 mol/L HCl solutions.The results indicated that 2205DSS had good pitting corrosion resistance in HCl solution．
中图分类号 TG172.6 TG142.7
所属栏目 试验研究
基金项目 材料腐蚀与防护四川省高校重点实验室资助项目(2008CL10)
收稿日期 2009/9/27
修改稿日期 2009/11/4
网络出版日期
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引用该论文: YU Lan-ying,LUO Hong,LIU Li. AFM and Electro-chemical Analysis of Pitting Corrosion of 2205 Duplex Stainless Steel in HCl Solution[J]. Corrosion & Protection, 2010, 31(9): 682～684
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参考文献
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【3】卢建树,张九渊.304不锈钢在Cl-+NO-3介质中点蚀的引发特性的研究[J].1997,25(1):16-20.
【4】唐子龙,宋诗哲,郭英凯,等.321不锈钢钝化膜破坏的原子吸收光谱研究[J].1996,32(4):443-448.
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【6】李 彦,黄勇蝦,林昌健,等.18-8不锈钢腐蚀过程的原位AFM-电化学研究[C]//第六届海峡两岸腐蚀与防护研讨会,2004.
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