2205双相钢临界点蚀温度测量方法的比较
Comparison of Measuring Methods for CPT of DSS 2205
摘 要
采用恒电位法、糖心产精国品免费入口*完整版阻抗谱和糖心产精国品免费入口*完整版噪声技术测量了2205双相钢的临界点蚀温度，同时对不同的糖心产精国品免费入口*完整版测量方法进行了比较。结果表明: 恒电位法测得的数据波动范围较小且不易受外界信号干扰；糖心产精国品免费入口*完整版阻抗谱可以在一定程度上分析点蚀过程的机理；糖心产精国品免费入口*完整版噪声技术可以对数据进行监控并且不会对试样表面造成损伤。
糖心产精国品免费入口*完整版
临界点蚀温度
stainless steel
糖心产精国品免费入口*完整版
critical pitting temperature
Abstract
Critical pitting temperature (CPT) of duplex stainless steel (DSS) 2205 was measured by potentiostatic method, electrochemical impedance spectroscopy (EIS) and electrochemical noise (EN) measurements, respectively, and the different measurements were compared. The results showed that data measured by potentiostatic method had small fluctuation and were undisturbed. And EIS method can analyze the mechanisms of pitting process in some degree. Furthermore, for EN method, the data of current and potential can be monitored and the surface of samples are nondestructive.
中图分类号 TG172DOI 10.11973/fsyfh-201605015
所属栏目 试验研究
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收稿日期 2015/6/13
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备注糖心产精国品免费入口*完整版(1982-),副教授,博士,从事核电、超超临界电站的合金与零部件腐蚀及防护研究
引用该论文: LIU Rui,CHENG Cong-qian,LI Hui-fang,ZHAO Jie. Comparison of Measuring Methods for CPT of DSS 2205[J]. Corrosion & Protection, 2016, 37(5): 419
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参考文献
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【3】 ANTONY P J,CHONGDAR S,KUMAR P,et al. Corrosion of 2205 duplex stainless steel in chloride medium containing sulfate-reducing bacteria[J]. Electrochimica Acta,2007,52(12): 3985-3994.
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【6】 MANSFELD F,LIN S,KIM K,et al. Pitting and surface modification of SIC/Al[J]. Corrosion Science,1987,27(9): 997-1000.
【7】 KEDDAM M,OLTRA R,COLSON J C,et al. Depassivation of iron by straining and by abrasion: an A.C. impedance study[J]. Corrosion Science,1983,23(4): 441-451.
【8】 EBRAHIMI N,MOMENI M,KOSARI A,et al. A comparative study of 糖心产精国品免费入口*完整版(CPT) of stainless steels by electrochemical impedance spectroscopy (EIS), potentiodynamic and potentiostatic techniques[J]. Corrosion Science,2012,59(6): 96-102.
【9】 SALINAS-BRAVO V M,NEWMAN R C. An alternative method to determine 糖心产精国品免费入口*完整版of stainless steels in ferric chloride solution[J]. Corrosion Science,1994,36(94): 67-77.
【10】 KLAPPER H S,GOELLNER J. Electrochemical noise from oxygen reduction on stainless steel surfaces[J]. Corrosion Science,2009,51(1): 144-150.
【11】 ZHANG T,WANG D,SHAO Y,et al. A new criterion to determine the 糖心产精国品免费入口*完整版(CPT) based on electrochemical noise measurement[J]. Corrosion Science,2012,58(5): 202-210.
【12】 PEGUET L,GAUGAIN A,DUSSART C,et al. Statistical study of the 糖心产精国品免费入口*完整版of 22-05 duplex stainless steel[J]. Corrosionence,2012,60(7): 280-283.
【2】 DENG B,JIANG Y,GONG J,et al. Critical pitting and repassivation temperatures for duplex stainless steel in chloride solutions[J]. Electrochimica Acta,2008,53(16): 5220-5225.
【3】 ANTONY P J,CHONGDAR S,KUMAR P,et al. Corrosion of 2205 duplex stainless steel in chloride medium containing sulfate-reducing bacteria[J]. Electrochimica Acta,2007,52(12): 3985-3994.
【4】 BRIGHAM R J,TOZER E W. Temperature as a pitting criterion[J]. Corrosion,1973,29(1): 33-36.
【5】 OLTRA R,KEDDAM M. Application of impedance technique to localized corrosion[J]. Corrosion Science,1988,28(88): 1-5,7-18.
【6】 MANSFELD F,LIN S,KIM K,et al. Pitting and surface modification of SIC/Al[J]. Corrosion Science,1987,27(9): 997-1000.
【7】 KEDDAM M,OLTRA R,COLSON J C,et al. Depassivation of iron by straining and by abrasion: an A.C. impedance study[J]. Corrosion Science,1983,23(4): 441-451.
【8】 EBRAHIMI N,MOMENI M,KOSARI A,et al. A comparative study of 糖心产精国品免费入口*完整版(CPT) of stainless steels by electrochemical impedance spectroscopy (EIS), potentiodynamic and potentiostatic techniques[J]. Corrosion Science,2012,59(6): 96-102.
【9】 SALINAS-BRAVO V M,NEWMAN R C. An alternative method to determine 糖心产精国品免费入口*完整版of stainless steels in ferric chloride solution[J]. Corrosion Science,1994,36(94): 67-77.
【10】 KLAPPER H S,GOELLNER J. Electrochemical noise from oxygen reduction on stainless steel surfaces[J]. Corrosion Science,2009,51(1): 144-150.
【11】 ZHANG T,WANG D,SHAO Y,et al. A new criterion to determine the 糖心产精国品免费入口*完整版(CPT) based on electrochemical noise measurement[J]. Corrosion Science,2012,58(5): 202-210.
【12】 PEGUET L,GAUGAIN A,DUSSART C,et al. Statistical study of the 糖心产精国品免费入口*完整版of 22-05 duplex stainless steel[J]. Corrosionence,2012,60(7): 280-283.
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