Hossein Karbasian, Christian Klimmek, Alexander Brosius, and A. Erman Tekkaya:
Numerical process design of hot stamping processes based on optimized thermo-mechanical characteristics
Hot stamping, high strength steel, thermo-mechanical coupled simulation, design of experiments, 22MnB5
The finite element analysis is an essential precondition for the process design of hot stamping processes. The quality and the significance of the simulation results strongly depend on the accuracy of the thermal and mechanical parameters used in FE models. In this work the thermo-mechanical properties of the interacting counterparts are determined by experiments. The corresponding numerical values were optimized by means of an experimental design. This methodology ensures an efficient analysis of process parameters consisting of heat transfer coefficients and thermal and mechanical characteristics of the material.
The selected modelling strategy allows the efficient simulation of the thermo-mechanical phenomena during the hot stamping process. Insights from the design of experiments should be applied in order to allow the efficient FE modelling of hot stamping for process optimization and process design.
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Pierre Gugliermina, Chief Technology Officer, ArcelorMittal
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