An experimental and numerical study of micro deep drawing of SUS304 circular cups

An experimental and numerical study of micro deep drawing of SUS304 circular cups

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Micro deep drawing is a promising technology for mass production of complex 3D micro metal products.Significant size effects at a micro scale, however, obstruct application of this technology and block utilisation of traditional finite element method (FEM).Therefore, a micro tensile test system was developed to obtain accurate Baja Hoodies material properties considering size effects.Subsequently, a Voronoi blank model was developed for the micro scale simulation.Moreover, micro deep drawing experiments Dishwasher Basket Plate Rack were conducted and their results were compared with the simulation results.

The simulation results have a good agreement with the experimental data.Furthermore, the wrinkling at the cup mouth increases with the growth of grain sizes on the SUS304 sheets.