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Analysis of Material-Specific and Geometric Influences on the Numerical Springback Prediction
| Funding: | AiF/EFB |
| Project: | 11/215/17613N |
| Contact: | Heinrich Traphöner M. Sc. |
| Status: | Completed |
This project is conducted in cooperation with the Institute of Manufacturing Technology in Erlangen.
Shape Prediction and Improvement for Expansion of Non-Round Tubes
| Funding: | ReCIMP |
| Contact: | Dr.-Ing. Till Clausmeyer |
Increasing requirements on the utilization of assembly space result in more complex tube cross sections of containers.
Micromechanical Modeling of Material Forming for the Prediction of Anisotropic Hardening
| Funding: | Mercator Research Center Ruhr (MERCUR) |
| Project: | Pr-2015-0049 |
| Contact: | Dr.-Ing. Till Clausmeyer |
| Status: | Completed |
Properties such as texture and hardness of the single phases determine the forming behavior of modern multiphase steels.
Model Integration for Process Simulation
| Funding: | German Research Foundation (DFG) |
| Project: | SFB/TRR 188 • Subproject S01 |
| Contact: | Alexander Schowtjak M. Sc. |
Aim of the SFB/TRR 188 is to understand and predict damage. The identification of different material and model parameters is necessary in order to analyze forming processes in terms of damage.
Novel In-Plane Torsion Specimen for the Characterization of Damage and Hardening
| Funding: | German Research Foundation (DFG) |
| Project: | TE 508/65-1 |
| Contact: | Heinrich Traphöner M. Sc. |
Equivalent strains much larger than 1.0 are obtained for ductile materials in the in-plane torsion test with circumferential groove.
Development of Simulation Strategies for the Application of Adiabatic Cutting in Sheet Metal Part Manufacturing in the Context of Materials Science
| Funding: | AiF/ FOSTA |
| Project: | 18865 BG – P 1127 |
| Contact: | Fabian Schmitz M. Sc. |
Due to its high local rate of deformation ( ε̇ ≥103 s-1) and significant process time (t<2 ms ) adiabatic blanking exhibits temperature-induced softening (see figure a). This results in a high cutting quality and possible shortening of the process route in comparison to conventional blanking methods for advanced high-strength steels.
Robust Material Modeling for Sheet Metal Bending
| Funding: | ReCIMP |
| Contact: | Fabian Schmitz M.Sc. |
| Status: | Completed |
Technical design of high-strength steels for bent structural parts in vehicles is a particular challenge. Firstly, the parts must endure a reverse bending during use; secondly, high-strength steels partially have strongly varying hardening properties. Simulations of the bending process require an accurate description of the material behavior.
Analysis of Strain-Path Dependent Damage and Microstructure Development for the Numerical Design of Sheet Bulk Metal Forming Processes
| Funding: | German Research Foundation (DFG) |
| Project: | SFB/TR 73 • Subproject C4 |
| Contact: | Florian Gutknecht M. Sc. |
For sheet-bulk metal forming processes the sheet thickness is adapted to the loading. In this context, thickening is a typical subprocess at the sheet edge (see figure a).