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| Atmospheric Corrosion of Zinc at Hongyanhe Nuclear Power Station |
| Received:January 19, 2012 Revised:June 15, 2012 |
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| DOI： |
| KeyWord:atmospheric corrosion zinc Hongyanhe nuclear power station Cl- SO2 synergistic effect |
| Author | Institution |
| HAO Xian-he |
State Key Laboratory for Corrosion and Protection，Institute of Metal Research of Chinese Academy of Sciences，Shenyang ，China |
| WANG Zhen-yao |
State Key Laboratory for Corrosion and Protection，Institute of Metal Research of Chinese Academy of Sciences，Shenyang ，China |
| WANG Chuan |
State Key Laboratory for Corrosion and Protection，Institute of Metal Research of Chinese Academy of Sciences，Shenyang ，China |
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| Abstract: |
| The atmospheric corrosion law of zinc at Hongyanhe nuclear power station with high SO2 concentration, high Clconcentration, and high humidity was studied through outdoor exposure test. The test results showed that the relationship between corrosion weight loss and exposure time of zinc is linear. Corrosion products of zinc surface were analyzed using scanning electron microscope (SEM), X-ray diffraction (XRD), and Fourier infrared transform (FI-TR) spectrometer. The reason of corrosion weight loss increased with exposure time was further analyzed. The corrosion mechanism of zinc in high SO2 concentration, high Clconcentration and high humidity atmospheric environment was discussed. |
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