锡对低合金钢在高Cl-浓度酸性溶液中耐蚀性的影响
Effect of Tin on Corrosion Behaviour of Low Alloy Steel in Acid Solution with High Choloride Concentration
摘 要
采用动电位扫描、电化学阻抗谱(EIS)、模拟挂片试验等方法研究了锡元素对低合金钢耐蚀性的影响。结果表明, 向钢中添加少量锡可以抑制钢在酸性溶液中的阳极及阴极反应, 电化学阻抗谱表明添加锡后钢材的阻抗值增大, 模拟实际条件的挂片试验也证实了添加锡有助于提高酸性介质中低合金钢的耐蚀性。
动电位极化
电化学阻抗谱
耐蚀性
tin
potentiodynamic polarization
electrochemical impendence spectroscopy
corrosion resistance
Abstract
Some electrochemical techniques such as dynamic scanning, EIS and coupon test in simulated solution with high chloride concentration were used to investigate the effect of tin on the corrosion resistance of low alloy steel. The results show that adding a little tin in the steel can restrain the anodic and cathodic corrosion behavior of all specimens in the solution and the corrosion rate decreased with the increase of tin content. Coupon test also confirms that adding tin will enhance the corrosion resistance of the steel in acid solution with high chloride concentration.
中图分类号 TG172.5
所属栏目 试验研究
基金项目 海军工程大学青年基金(HGDQNJJ2011012)
收稿日期 2012/7/3
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网络出版日期
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备注陈珊,讲师,硕士,
引用该论文: CHEN Shan,LI Guo-ming,WANG Xiao-yan,CHEN Xue-qun. Effect of Tin on Corrosion Behaviour of Low Alloy Steel in Acid Solution with High Choloride Concentration[J]. Corrosion & Protection, 2013, 34(6): 479
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参考文献
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【2】尹志福, 白真权, 苗键,等. P110和P110SS钢在含H2S/CO2溶液的电化学腐蚀行为影响[J]. 西北工业大学学报,2010,10(5): 8-9.
【3】Dong Bok Lee. Effect of Cr,Nb,Mn,V,W and Si on high temerature oxidation of TiAl alloys[J]. Met Mater Int, 2005,11(1): 141-145.
【4】Nishimura T, Katayama H, Noda K, et al. Effect of Co and Ni on the corrosion behavior of low alloy steels in wet/dry environments[J]. Corrosion Science, 2008,50(5): 1195-1201.Nguyen Dang Nam, Min Jun Kim, Young Wook Jang, et al. Effect of tin on the corrosion behavior of low-alloy steel in an acid chloride solution[J]. Corrosion Science, 2010,52(1): 14-20.
【5】Pardo A, Merino M C, Carboneras M, et al. Pitting corrosion behaviour of austenitic stainles ssteels with Cu and Sn additions[J]. Corrosion Science, 2007,49(2): 510-516.
【6】Pardo A, Merino M C, Carboneras M, et al. Influence of Cu and Sn content in the corrosion of AISI304 and 316 stainless steels in H2SO4[J]. Corrosion Science, 2006,48(5):1075-1081.
【7】House C I, Kelsall G H. Potential-pH diagrams for the Sn/H2O-Cl system[J]. Electrochim Acta, 1984,29(12): 1459-1463.
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