Tables 1 and 2 list its chemical components and mechanical properties, respectively.
Next, the material was prepared in an oval shape, with the radial axis measuring 300 mm, using a 2mm chute, before forming process was started. Deform, which is a specialized commercial program, was used for the plastic analysis, while the element division of the material was performed using a tetrahedral mesh. The punch, die, and blank holder, except for the blank, were defined as four-node rigid shell elements.
The die, punch, and blank holder were defined as rigid bodies, while the friction coefficient was set to 0.4, which is a value normally applied for plasticity in aluminum thin film materials.
A blank holder was used to hold the material during the deep drawing analysis in the first process.