Abstract
In order to solve the problem that the poor plating ability of Galvanized ultra-high strength steel automobile sheet made by traditional continuous hot-dip galvanizing method and the problem that it is difficult to prepare high magnesium (more than 3%) content coated steel sheet by traditional continuous hot-dip galvanizing method. In this chapter, Zn-Mg coating was evaporated at substrate temperature of 50 °C, 100 °C, 150 °C and 200 °C by double source co-evaporation method, and the microstructure and adhesion of single-layer Zn Mg coating were analyzed. The results show that, with the increasing of substrate temperature, the surface grains of zinc magnesium coating have a trend of increasing gradually, but the adhesion of the coating has a trend of decreasing, among which ZnMg-100 coating has the best adhesion.
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