Corrosion behavior and mechanism of the automotive hot-dip galvanized steel with alkaline mud adhesion |
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| Authors: | Hong Zhang Xiao-gang Li Cui-wei Du Hui-bin Qi |
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| Affiliation: | [1]School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China [2]Institute of Welding and Surface Technology, Baoshan Iron ＆ Steel Co. Ltd., Shanghai 201900, China |
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| Abstract: | The corrosion behavior and mechanism of hot-dip galvanized steel and interstitial-free (IF) substrate with alkaline mud adhesion were investigated by scanning electron microscopy (SEM), X-ray diffraction (XRD), electrochemical impedance spectroscopy (EIS), and linear polarization. The results show that non-uniform corrosion occurs on the galvanized steel and IF substrate during 250 h with the mud adhesion. The corrosion products on the galvanized steel are very loose and porous, which are mainly ZnO, Zn5(OH... |
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| Keywords: | corrosion mechanism galvanized steel interstitial-free (IF) steel mud adhesion |
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