In-situ Scanning Micro-Electrochemical Characterization of Corrosion Inhibitors on Copper
In-situ scanning vibrating electrode technique (SVET) combined with other techniques (such as electrochemical impedance spectroscopy (EIS), atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS)) was used to investigate the efficiency of the mixed compound of 3-amino-1, 2, 4-triazo...
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| Main Authors: | , , , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2016
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/81512 http://hdl.handle.net/10220/40846 |
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| 總結: | In-situ scanning vibrating electrode technique (SVET) combined with other techniques (such as electrochemical impedance spectroscopy (EIS), atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS)) was used to investigate the efficiency of the mixed compound of 3-amino-1, 2, 4-triazole (ATA) and sodium molybdate (SM) as a corrosion inhibitor for copper in 3.5% NaCl solution in comparison with benzotriazole (BTA). The results indicate that copper shows extremely higher corrosion resistance in 3.5% NaCl solution with the presence of ATA-SM inhibitor than BTA. This is due to the reaction of ATA with copper allowing the formation of a thin film incorporated with MoO4 ion precipitates on the surface of copper, which provides strong cathodic efficiency and thus is considerably protective. |
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