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Study on pitting process of 316L stainless steel by means of staircase potential electrochemical impedance spectroscopy 被引量：7

Study on pitting process of 316L stainless steel by means of staircase potential electrochemical impedance spectroscopy
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摘要 Pitting corrosion of 316L stainless steel in NaCl solution was investigated by means of staircase potential electrochemical impedance spectroscopy（SPEIS）.The investigation focused on the transition of stainless steel from the passive state to pitting corrosion.Based on the evolution of electrical parameters of the equivalent electrical circuit,it is suggested that the most probable mechanism of pit creation is the film breaking model.The result demonstrates that staircase potential electrochemical impedance spectroscopy is an effective method for the investigation of pitting corrosion. Pitting corrosion of 316L stainless steel in NaCl solution was investigated by means of staircase potential electrochemical impedance spectroscopy（SPEIS）.The investigation focused on the transition of stainless steel from the passive state to pitting corrosion.Based on the evolution of electrical parameters of the equivalent electrical circuit,it is suggested that the most probable mechanism of pit creation is the film breaking model.The result demonstrates that staircase potential electrochemical impedance spectroscopy is an effective method for the investigation of pitting corrosion.
作者 Zhi-jun Jia Cui-wei Du Cheng-tao Li Zou Yi Xiao-gang Li
机构地区 School of Materials Science and Technology
出处 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2011年第1期48-52,共5页 矿物冶金与材料学报（英文版）
关键词 stainless steel PASSIVATION FILM steel corrosion PITTING electrochemical impedance spectroscopy stainless steel passivation film steel corrosion pitting electrochemical impedance spectroscopy
分类号 TF [冶金工程]
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参考文献15

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International Journal of Minerals,Metallurgy and Materials
2011年 第1期

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