Properties of passive film formed on 316L/2205 stainless steel by Mott-Schottky theory and constant current polarization method |
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| Authors: | CHENG XueQun LI XiaoGang & DU CuiWei Corrosion Protection Center Beijing Science Technology University Beijing China |
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| Affiliation: | CHENG XueQun,LI XiaoGang & DU CuiWei Corrosion , Protection Center,Beijing Science , Technology University,Beijing100083,China |
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| Abstract: | Semiconductor properties of the passive films formed on 316L and 2205 stainless steel were studied by Electrochemical Impedance Spectroscopy(EIS) in the high-temperature acetic acid.The results showed that the corrosion resistance of 2205 was higher than that of 316L,and the passive films formed on 316L and 2205 stainless steel showed p-type and n-type semiconductor behavior,respectively.Destruction and self-repairing of passive films were studied by using the constant current polarization method.The result... |
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| Keywords: | acetic acid corrosion semiconductor stainless steel |
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