Effect of Alloying Elements on the Fluidity of Liquid-Phase Zinc

The fluidity of liquid-phase zinc not only directly influences the casting properties of the alloy but also has a very important significance for the control of hot-dip galvanized coating thickness. The addition of various trace alloying elements to liquid-phase zinc can improve the fluidity, hence improving the coating effectiveness and surface quality of hot-dip zinc coatings, as well as improving the die-casting filling properties of liquid-phase zinc. In this paper, the influences of common alloying elements (Pb, Bi, Sn, Sb, Al, Mg, RE, Ni) used in hot-dip zinc and some alloying elements (Al, Mg) used in die-cast zinc alloys on liquid-phase zinc fluidity were reviewed.