304L不锈钢在硼酸水溶液中的腐蚀行为
Corrosion Behavior of 304L Stainless Steel in Boric Acid Aqueous Solution
摘 要
采用动电位极化曲线、电化学阻抗谱、扫描电镜和能谱分析方法研究了304L不锈钢在硼酸水溶液中的腐蚀行为。结果表明,304L不锈钢的自腐蚀电位和腐蚀电流密度随着硼酸水溶液温度的升高而增大;不同温度下的电化学阻抗谱呈单容抗弧,表现为一个时间常数,80 ℃硼酸水溶液中的阻抗模值较小;随时间的延长,304L不锈钢的均匀腐蚀速率逐渐降低,并且维持在较低的腐蚀速率。
极化曲线
电化学阻抗谱
腐蚀速率
304L stainless steel
polarization curve
EIS
corrosion rate
Abstract
The corrosion behavior of 304L stainless steel in boric acid aqueous solution was studied by potentiodynamic polarization curves,electrochemical impedance spectroscopy (EIS),scanning electron microscopy and energy dispersive spectra. The results showed that the free corrosion potential and corrosion current density of 304L stainless steel increased with the increase of solution temperature. Electrochemical impedance spectroscopy results indicated that EIS had a single capacitve loop and the impedance value of the passive film decreased with the increase of solution temperature. With the exposure time prolonging,the corrosion rate decreased and then maintained a lower value.
中图分类号 TG172.5
所属栏目 试验研究
基金项目
收稿日期 2014/6/30
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备注李成涛(1980-),高级工程师,博士,从事核电站材料的腐蚀行为研究,13814818289.
引用该论文: ZHANG Wei-xiao,LI Cheng-tao,CHEN Jian-jun,ZHAO Yan-fen,XU Wei-min,SHEN Jian,FEI Ke-xun. Corrosion Behavior of 304L Stainless Steel in Boric Acid Aqueous Solution[J]. Corrosion & Protection, 2015, 36(1): 68
被引情况:
【1】周学俊,黄峰,王晶晶,陈江风, "镍铜质量比和硅含量对海洋环境用耐候钢电化学腐蚀行为的影响",腐蚀与防护 37, 789-792(2016)
【2】徐 伟,李 楷, "核电厂换料水箱底板检测与老化评估",腐蚀与防护 37, 727-729(2016)
【3】李天一,朱晓斐, "低碳钢表面复合硅烷膜的制备与防腐蚀性能",腐蚀与防护 37, 711-714(2016)
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参考文献
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【2】BILMES P D,LLORENTE C L,SAIRE HUAMAN L,et al. Microstructure,heat treatment and pitting corrosion of 13CrNiMo plate and weld metals[J].Corrosion Science,2009,51(4):876-881.
【3】GERVASI C A,MENDEZC C M,BILMESD P D,et al. Analysis of the impact of alloy microstructural properties on passive films formed on low-C 13CrNiMo martensitic stainless steels[J].Materials Chemistry and Physics,2011,126(1/2):178-182.
【4】FATTAH-ALHOSSEINI A,GOLOZAR M A,SAATCHI A,et al. Effect of solution concentration on semiconducting properties of passive films formed on austenitic stainless steels[J].Corrosion Science,2010,52(1):205-209.
【5】SOUZA E C,ROSSITTIB S M,ROLLO J M D A. Influence of chloride ion concentration and temperature on the electrochemical properties of passive films formed on a superduplex stainless steel[J].Materials Characterization,2010,61(2):240-244.
【6】CASTELETTI L C,FERNANDES F A P,TOTTEN G E. Corrosion resistance evaluation of precipitation hardening stainless steel with niobium[J].Heat Treatment,2009,24(4):25-28.
【7】BILMES P D,LLORENTE C L,SAIRE HUAMAN L,et al. Microstructure and pitting corrosion of 13CrNiMo weld metals[J].Corrosion Science,2006,48(10):3261-3270.
【8】DACUNHABELO M,WALLS M,HAKIKI N E,et al． Composition,structure and properties of the oxide films formed on the stainless steel 316L in a primary type PWR environment[J].Corrosion Science,1998,40(2/3):447-463.
【9】UEMURA M,YAMAMOTO T,FUSHIMI K． Depth profile analysis of thin passive films on stainless steel by glow discharge optical emission spectroscopy[J].Corrosion Science,2009,51(7):1554-1559.
【10】GOODLET G,FATY S,CARDOSO S,et al． The electronic properties of spultered chromium and iron oxide films[J].Corrosion Science,2004,46(6):1479-1499．
【11】ABREU C M,DIAZ B,JOIRET S,et al． Comparative study of passive films of different stainless steels developed on alkaline medium[J].Electrochimica Acta,2004,49(17/18):3049-3056．
【12】EL-EGAMY S S,BADAWAY W A． Passivity and passivity breakdown of 304 stainless steel in alkaline sodium sulphate solutions[J].Journal of Applied Electrochemistry,2004,34(11):1153-1158．
【13】ALVES V A,BRETT C M A． Characterisation of passive filmes formed on mild steels in bicarbonate solution by EIS[J].Electrochimica Acta,2002,47(13/14):2081-2091．
【14】MONTEMOR M F,FERREIRA M G S,HAKIKI N E,et al． Semiconducting properties of thermally grown oxide films on AISI 304 stainless steel[J].Corrosion Science,2000,42(4):687-702．
【15】MONTEMOR M F,FERREIRA M G S,HAKIKI NE,et al． Chemical composition and electronic structure of the oxide films formed on 316L stainless steel and nickel based alloys in high temperature aqueous environments[J].Corrosion Science,2000,42(9):1635-1650．欢迎投稿欢迎订阅欢迎刊登广告
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