Materials and characterization
Two-dimensional representations are suitable for evaluating the qualitative formation of connections and the influence of tool geometry adjustments, although they are not suitable for investigating lateral and angular misalignment or load-bearing capacity, which deviate from pure head pull load and will therefore be the subject of experimental investigations in the planned TRR. The aspect of anisotropy and heterogeneity of hybrid structures can also only be reliably represented in 3D. In order to represent the various stress states, different sample geometries are being investigated and further developed in collaboration with the “Modeling” working group with regard to their suitability for mechanical joining.
The description of the condition and stress resistance of joints is to be expanded in a realistic manner in order to significantly improve the predictability of jointability. For this reason, the “Materials and Characterization” working group of the planned TRR will conduct fracture mechanics crack growth analyses and investigate the fatigue behavior of mechanically joined structures under combined mechanical and corrosive stress. The working group contributes to the comparability and quality of the determined joint parameters by standardizing and further developing the test methods relevant for joint safety. To reduce the complexity of a demonstrator assembly and to validate the numerical representations in the “Modeling” working group, basic samples for material and joint characterization must therefore be defined. After the characteristic values for the models have been entered, they are verified on technological samples that cause clearly describable and detectable stress conditions in the joint and, in comparison with the simulation, create a high prediction quality of the processes and joint properties.
Member - Teilprojekt C04
Phone: +49 351 46338749
E-mail: robert.kupfer@tu-dresden.de
Manager - Teilprojekt Z
Phone: +49 5251 60-3035
E-mail: mathias.bobbert@lwf.upb.de
Speaker - Teilprojekte A01, C02, Z
Phone: +49 5251 60-3031
E-mail: meschut@lwf.uni-paderborn.de
Member - Teilprojekt A02
Office: Y1.321
Phone: +49 5251 60-5148
E-mail: neuser@lwk.uni-paderborn.de
Member - Teilprojekt A02
Phone: +49 17699161885
E-mail: grydin@lwk.uni-paderborn.de
Member - Teilprojekt C05
Phone: +49 9131 8520450
E-mail: tino.hausotte@fmt.fau.de
Member - Teilprojekt A03
Phone: +49 351 46338153
E-mail: maik.gude@tu-dresden.de
Member - Subproject C01
Phone: +49 9131 8527140
E-mail: marion.merklein@fau.de
Member - Teilprojekt A04
Phone: +49 351 46337858
E-mail: jan.kalich@tu-dresden.de
Member - Teilprojekt A02
Phone: +49 5251 60-3855
E-mail: schaper@lwk.uni-paderborn.de
Member - Teilprojekt B04
Office: IW1.878
Phone: +49 5251 60-5320
E-mail: kullmer@fam.uni-paderborn.de
Member - Teilprojekt A04
Phone: +49 351 46337615
E-mail: uwe.fuessel@tu-dresden.de
Member - Teilprojekt C04
Phone: +49 351 46337916
E-mail: daniel.koehler3@tu-dresden.de
Chief Engineer -
Office: IW1.872
Phone: +49 5251 60-5327
E-mail: schramm@fam.uni-paderborn.de
Member - Teilprojekt B02
Phone: +49 1721645855
E-mail: martina.zimmermann@tu-dresden.de
Member - Teilprojekt A05
Phone: +49 9131 8564400
E-mail: johannes.friedlein@fau.de
Member - Teilprojekt A05
Phone: +49 9131 8528505
E-mail: julia.mergheim@fau.de
Publications
Clinching of Aluminum Materials – Methods for the Continuous Characterization of Process, Microstructure and Properties
R. Kupfer, D. Köhler, D. Römisch, S. Wituschek, L. Ewenz, J. Kalich, D. Weiß, B. Sadeghian, M. Busch, J.T. Krüger, M. Neuser, O. Grydin, M. Böhnke, C.-R. Bielak, J. Troschitz, Journal of Advanced Joining Processes (2022).
Show all publications