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| Effect of Magnetic Field on Corrosion Behavior of Aerial Cable’s Carbon Steel |
| Received:April 13, 2016 Revised:August 15, 2016 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2016.04.007 |
| KeyWord:electrochemistry corrosion magnetic field |
| Author | Institution |
| CAO Yong |
No.92419 Unit of PLA, Xingcheng , China |
| YANG Zhi-cheng |
No.92419 Unit of PLA, Xingcheng , China |
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| Abstract: |
| Objective The effect of magnetic field on corrosion behavior of aerial cable’s carbon steel is researched, because aerial cable is used in the sea environment and magnetic field in ocean always effects corrosion. Methods The polarization, electrochemical impedance spectrum and electrochemical noise skills were employed to study variation of corrosion rate and mechanism of corrosion of the carbon steel in magnetic field. Results The experimental results showed that after adding the external magnetic field, the depolarization process of cathode oxygen and the formation process of the intermediate product took leading positions respectively under different corrosion status of carbon steel. When the magnetic field strength was low, the depolarization of cathode oxygen was inhibited. That was the control step of corrosion rate, resulting in decrease of the corrosion rate and increase of charge transfer resistance. When the magnetic field strength got stronger gradually, the formation and transformation of intermediate product gradually became a dominant factor. The noise resistance increased and the corrosion speed decreased. Conclusion The magnetic field has certain effect on the corrosion rate of aerial cable’s carbon steel . |
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