Effects of rare earth metal addition on microstructure of hot-dip 55%Al-Zn-Si coatings |
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| Authors: | WU Guangxin JIN Feng LI Bing CHEN Jilong ZHANG Jieyu LI Qian Shanghai Key Laboratory of Modern Metallurgy & Materials Processing Shanghai University Shanghai China |
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| Affiliation: | WU Guangxin,JIN Feng,LI Bing,CHEN Jilong,ZHANG Jieyu and LI Qian Shanghai Key Laboratory of Modern Metallurgy & Materials Processing,Shanghai University,Shanghai 200072,China |
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| Abstract: | Optical microscope(OM),scanning electron microscope(SEM),energy dispersive spectrometer (EDS) and X-ray Diffraction(XRD) were used to study the effects of rare earth on the microstructural characteristics of 55%Al-Zn-1.6%Si hot -dip coatings on steel.The results of OM,SEM and EDS showed that by adding RE into the 55%Al-Zn-1.6%Si bath,the saw-toothed shape of intermetallic reaction layer of coating became smooth,and the thickness of the overlay and intermetallic reaction layer decreased.The XRD results revea... |
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| Keywords: | 55%Al-Zn-1.6%Si coating effect of rare earth microstructure of intermetallic reaction layer |
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