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| Corrosion Behavior of Low-alloy Weathering Steel in Cyclically Alternate Corrosion Environments |
| ZHANG Xu1 YANG Shanwu1** ZHANG Wenhua2 GUO Hui1 HE Xinlai1 |
1 School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083
2. Capital Aerospace Machinery Company, Beijing 100076 |
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Cite this article:
ZHANG Xu YANG Shanwu** ZHANG Wenhua GUO Hui HE Xinlai. Corrosion Behavior of Low-alloy Weathering Steel in Cyclically Alternate Corrosion Environments. Chinese Journal of Materials Research, 2013, 27(1): 18-24.
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Abstract ABSTRACT Deionized water and 3.5%NaCl were used to simulate the gentle and harsh corrosion environments respectively in this work. The atmospheric corrosion behavior of weathering steel in different corrosion orders was compared by alternative corrosion tests. The results of SEM and EIS of the rusted samples revealed that there was no compact rust layer formed in only gentle or harsh corrosion environment, while a compact rust layer formed after alternative corrosion in gentle and harsh environments. Corrosion mass gain results show that when corrosion started in the harsh environment followed by in the gentle environment, the formation of a compact rust layer needed less time than that in the opposite corrosion order.
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