On account of its lightweight and high specific
strength, the magnesium alloy has been widely used
for structural components in aerospace, electronics,
and the automobile industry, to replace some existing
materials“’21. Nowadays, the principal manufacturing
process has been die casting, and the formed products
of magnesium have been limited, because magnesium
is a hexagonal, close-packed metal and shows poor
formability at room temperature. However, the casting
process is not ideal for making thin-walled magnesium
structures because of the excessive amount of waste
material. A potential solution would be to resort to
the press forming process of sheets, so that the fabrication
processes of press forming and stamping of
magnesium-alloy sheets become especially important.