To the problem of the cylindrical product with a bottom forming process optimization under superplasticity condition

It is considered the problem of the cylindrical product with a bottom forming process optimization under aluminium alloys superplasticity condition. It is shown that the volume of the superplastic deformation zone increases with approaching to the middle of the thermal interval effect demonstration. The formation of the maximum amount of this area contributes to the formation of the fine-grained structure in the walls of the product.