Characteristics of Magnesium Alloy Fabricated by Melt Drag Method with Applying Overheating Treatments

Magnesium alloy is the lightest practical metal. It has excellent specific strength and recyclability as well abundant reserves, expected to be a next-generation structural metal material following aluminum alloy. This paper investigated possibility of thin plate fabrication by applying overheating treatment melt drag method, investigating surface shape plate, grain size, size distribution, Vickers hardness. When was applied magnesium alloy, grains were refined, so it that further refinement can realized if method. By treatment, possible fabricate using microstructure with minimum around 12 μm obtained. As temperature increased, void defects increased on roll holding time had no effect plate. The fabricated showed uniform distribution. times 0 30 min, became smaller increased. becomes higher, finer, finer is, higher