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sub-project is developing a new material characterization method for micro specimens based on incremental electrohydraulic solid forming. Shock waves generated by a wire explosion in a fluid are used for forming [...] 14 - 3 (2021), DOI: 10.3390/ma14030525 (Open Access) G. Alexe, A. Tausendfreund, D. Stöbener, L. Langstädtler, M. Herrmann, C. Schenck, A. Fischer: Uncertainty and Resolution of Speckle Photography on [...] forming, which press the samples step by step through a forming channel in a specially developed extrusion tool. In order to determine material-specific descriptors, the samples are measured between the

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Publications

K. Tracht; J. Roßmann. Springer Vieweg, Berlin (2019) 197-206. Bader, A.; Toenjes, A.; Wielki, N.; Mändle, A.; Onken, A.-K.; Hehl, A.; Meyer, D.; Brannath, W.; Tracht, K.: Parameter Optimization in Hig [...] Bösing, I.; Clausen, B.; Czotscher, T.; Epp, J.; Fischer, A.; Langstädtler, L.; Meyer, D.; Menon, S.; Riemer, O.; Sonnenberg, H.; Thomann, A.; Tönjes, A.; Vollertsen F.; Wielki, N.; Ellendt, N : Descriptors [...] 0-015-0654-3. Schreiber, S.; Funke, L.; Tracht, K.:BERTHA - A Flexible Learning Factory for Manual Assembly . Procedia CIRP, 54 (2016) 119-123. Onken, A.; Bader, A.; Tracht, K.: Logistical Control of Flexible

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Publications

I., Clausen, B., Czotscher, T., Epp, J., Fischer, A., Langstädtler, L., Meyer, D., Menon, S. R., Riemer, O., Sonnenberg, H., Thomann, A., Toenjes, A., Vollertsen, F., Wielki, N. & Ellendt, N. (2019). [...] (2016). A physical explanation of the gas flow diode effect. Microfluidics Nanofluidics 20 , 145. http://doi.org/10.1007/s10404-016-1809-z . Schubert, M., Schubert, L., Thomé, A., Kiewidt, L., Rosebrock [...] Design of Sustainable Chemicals: Ionic Liquids as a Prime Example. Chemical Reviews. https://doi.org/10.1021/acs.chemrev.0c01265 Gavalás-Olea, A., Siol, A., Sakka, Y., Köser, J., Nentwig, N., Hauser, T.

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Lennart Winkeler, M. Sc.

research Winkeler, L., & Fuhrländer, D. (2024). Carbon Price Scenarios: Projecting prices for emission certificates [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10886317 Winkeler, L., Unland, D., Stührmann [...] Engineering (Specialisation: Production Technology), University of Bremen Thesis: Characterization of a novel mounting process for diamond grinding wheels with closely toleranced envelope curves Agent-based [...] districts. De Gruyter, S. 375-391. http://dx.doi.org/10.1515/9783110777567-025 Eppe, P. S., Winkeler, L., Kocheril, G., & Stührmann, T. (2023). 9 Leadership in transitions: The case of hydrogen. De Gruyter

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Current projects

BIBA – Bremen Institute for Production and Logistics (IdEaL Model Factory) University of Bremen, Institute for Automation Technology (IdEaL PHiL-Laboratory) Contact person M.Sc. Thimo F. Schindler +49 421 [...] Current projects IdEaL © EFRE © SUKW Project profile Title: Interdisciplinary Energy Research Laboratory - AI Space for Energy Efficiency (Short title: IdEaL KI-SEE ) Duration: 09.2024 – 01.2027 Funded [...] protect me ?! uni-bremen protect me ?! .de BreGoS © BMWK Project profile Title: Bremen goes Sustainable - A university region on the way to sustainability - Sub-project: Transformative research in campus labs

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Disperse Phase Transition Processes

addma.2023.103467. [3] A. Chouhan, M. Hesselmann, A. Toenjes, L. Mädler, N. Ellendt: Numerical modelling of in-situ alloying of Al and Cu using the laser powder bed fusion process: A study on the effect of [...] freely or can be quenched after various distances in a fluid or deposited on a substrate. There are many possibilities here for sample generation from a wide range of materials, e.g. to determine the mic [...] the surface tension and viscosity of a metal melt as a function of temperature, including in reactive atmospheres or atmospheres of technical purity. Furthermore, a more detailed analysis allows the si

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Lightweight construction and material-driven product development

production: a review of challenges and application examples. In: Advanced Manufacturing: Polymer & Composites Science Vol. 6 (2020), No. 4, pp. 173–190. DOI: 10.1080/20550340.2020.1838224 - Ischtschuk, L. ; Ohlendorf [...] material behavior: Krishnappa, L. ; Ohlendorf, J.-H. ; Brink, M. ; Thoben, K.-D.: Investigating the factors influencing the shear behaviour of 0 / 90° non-crimp fabrics to form a reference shear test. In: Composite [...] specific lightweight potential Identification and characterization of material behaviour to optimize a product Development of complex handling technologies for dimensionally unstable materials Building physical

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Dissertations

2023 Kemper, P. (2023). Magnetic resonance imaging as a tool to study Gas-Liquid Taylor Flows (Doctoral dissertation, Universität Bremen). Weirauch, L. (2023). Multidimensional sorting of microparticles [...] processes by applying NMR imaging methods (Doctoral dissertation, Universität Bremen). 2017 Kiewidt, L. (2017). Solid sponges as support for heterogeneous catalysts in gas-phase reactions (Doctoral dissertation

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Philipp Eppe, M. Sc.

Migration on the Appearance of Immigrants as a Realistic Threat to Patriotic Members of the Host Culture. Resilient transformation research Participatory research for a regional hydrogen economy and sustainable [...] Between Environmental Policy Characteristics and Perceived Effectiveness, Fairness, and Acceptability - A comparison. 07/2019 - 09/2019 Internship in the fields of knowledge management and heat, buildings at [...] of sustainable innovations and policies Adaptive behaviour and pro-environmental behaviour von Loh, L., Warendorf, T., Eppe, P. S., Myrzik, J., & Stührmann, T. (2024, June). Modeling investment decisions

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Dielectrophoretic particle chromatographie (DPC) at preparative scale (SPP 2045)

water, stirred by a magnetic stirrer, and pumped by a piston pump (A) into the separation device (B). The separation chamber is formed by two PCBs on which the electrodes arrays are located. A silicone gasket [...] connected to an amplifier which provides a sinusoidal voltage to operate the device (D). The suspension leaving the channel is flowing into a flow cell (C) that is coupled to a light source. The resulting fluorescence [...] fluorescence signal is recorded by a spectrometer (E) connected to a computer. From: Giesler, J., Weirauch, L., Thöming, J., Baune, M., Pesch, G. R. Sci Rep 2021, 11, 16861. Workflow of dielectrophoretic particle

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Shape change history

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Lennart Winkeler, M. Sc.

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Disperse Phase Transition Processes

Lightweight construction and material-driven product development

Dissertations

Philipp Eppe, M. Sc.

Dielectrophoretic particle chromatographie (DPC) at preparative scale (SPP 2045)