[{"date_updated":"2026-02-20T11:15:05Z","issue":"5","article_number":"053102","volume":138,"_id":"64551","status":"public","type":"journal_article","publication_identifier":{"issn":["0021-8979","1089-7550"]},"year":"2025","language":[{"iso":"eng"}],"publisher":"AIP Publishing","publication":"Journal of Applied Physics","date_created":"2026-02-20T11:11:12Z","department":[{"_id":"977"}],"user_id":"15911","publication_status":"published","citation":{"chicago":"Lindemann, M., M. D’Alessandro, N. Ledentsov, O. Y. Makarov, N. N. Ledentsov, A. Tibaldi, Nils Christopher Gerhardt, and M. R. Hofmann. “Laterally Coupled Vertical-Cavity Surface-Emitting Lasers with Tunable Resonance Width and Frequency.” Journal of Applied Physics 138, no. 5 (2025). https://doi.org/10.1063/5.0275622.","ieee":"M. Lindemann et al., “Laterally coupled vertical-cavity surface-emitting lasers with tunable resonance width and frequency,” Journal of Applied Physics, vol. 138, no. 5, Art. no. 053102, 2025, doi: 10.1063/5.0275622.","ama":"Lindemann M, D’Alessandro M, Ledentsov N, et al. Laterally coupled vertical-cavity surface-emitting lasers with tunable resonance width and frequency. Journal of Applied Physics. 2025;138(5). doi:10.1063/5.0275622","apa":"Lindemann, M., D’Alessandro, M., Ledentsov, N., Makarov, O. Y., Ledentsov, N. N., Tibaldi, A., Gerhardt, N. C., & Hofmann, M. R. (2025). Laterally coupled vertical-cavity surface-emitting lasers with tunable resonance width and frequency. Journal of Applied Physics, 138(5), Article 053102. https://doi.org/10.1063/5.0275622","short":"M. Lindemann, M. D’Alessandro, N. Ledentsov, O.Y. Makarov, N.N. Ledentsov, A. Tibaldi, N.C. Gerhardt, M.R. Hofmann, Journal of Applied Physics 138 (2025).","mla":"Lindemann, M., et al. “Laterally Coupled Vertical-Cavity Surface-Emitting Lasers with Tunable Resonance Width and Frequency.” Journal of Applied Physics, vol. 138, no. 5, 053102, AIP Publishing, 2025, doi:10.1063/5.0275622.","bibtex":"@article{Lindemann_D’Alessandro_Ledentsov_Makarov_Ledentsov_Tibaldi_Gerhardt_Hofmann_2025, title={Laterally coupled vertical-cavity surface-emitting lasers with tunable resonance width and frequency}, volume={138}, DOI={10.1063/5.0275622}, number={5053102}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Lindemann, M. and D’Alessandro, M. and Ledentsov, N. and Makarov, O. Y. and Ledentsov, N. N. and Tibaldi, A. and Gerhardt, Nils Christopher and Hofmann, M. R.}, year={2025} }"},"doi":"10.1063/5.0275622","intvolume":" 138","abstract":[{"lang":"eng","text":"Laterally coupled vertical-cavity surface-emitting lasers (VCSELs) can exhibit additional resonances at high modulation frequencies that can substantially increase the laser’s modulation bandwidth. State-of-the-art laterally coupled devices require non-standard manufacturing technology and precise tuning of the currents supplied to each cavity separately to form optical supermodes suitable for such resonances. Here, we report on a novel switching phenomenon in laterally coupled VCSEL structures having only a single common electric contact and manufactured in a standard oxide-confined VCSEL geometry. At lower currents, they can be operated in a weakly coupled (WCR) regime and, at higher currents, in an injection-locked (IL) regime, enabling fundamentally different spectral and dynamic features. In the WCR, both optical supermodes lase and a narrow tunable plasma-assisted peak at their beating frequency is observed for each of the apertures, with a current-dependent frequency tuning and anti-phase intensity oscillations in each of the cavities. In contrast, in the IL regimes, only one (anti-symmetric) supermode lases. This adds a broader resonance to the modulation response while the intensity oscillations in both cavities are in-phase. Only the IL regime can result in increased modulation bandwidth of the system. Measurements of the pulse responses and continuous modulation up to 70 GHz for both operational regimes are presented and compared with simulations of our distributed rate equation model whose parameters are extracted from full-wave electromagnetic simulations of the device, including the temperature distribution in the device. Excellent agreement is found and enables comprehensive understanding of the dynamics of supermodes in oxide-confined coupled cavity VCSELs."}],"author":[{"last_name":"Lindemann","full_name":"Lindemann, M.","first_name":"M."},{"full_name":"D’Alessandro, M.","first_name":"M.","last_name":"D’Alessandro"},{"last_name":"Ledentsov","first_name":"N.","full_name":"Ledentsov, N."},{"last_name":"Makarov","full_name":"Makarov, O. Y.","first_name":"O. Y."},{"last_name":"Ledentsov","full_name":"Ledentsov, N. N.","first_name":"N. N."},{"last_name":"Tibaldi","full_name":"Tibaldi, A.","first_name":"A."},{"orcid":"0009-0002-5538-231X","full_name":"Gerhardt, Nils Christopher","first_name":"Nils Christopher","last_name":"Gerhardt","id":"115298"},{"full_name":"Hofmann, M. R.","first_name":"M. R.","last_name":"Hofmann"}],"title":"Laterally coupled vertical-cavity surface-emitting lasers with tunable resonance width and frequency"},{"page":"1-26","type":"journal_article","publication":"The Journal of Adhesion","quality_controlled":"1","user_id":"48039","oa":"1","keyword":["Prepreg pressing process","hybrid joints","laser surface pretreatment","intrinsic manufacturing","CFRP","aluminium","materials engineering"],"main_file_link":[{"open_access":"1","url":"https://www.tandfonline.com/doi/full/10.1080/00218464.2024.2439956?src="}],"doi":"10.1080/00218464.2024.2439956","abstract":[{"lang":"eng","text":"Fibre-reinforced polymers are increasingly used due to their high specific strength, making them suitable for local sheet metal reinforcement. This allows improved overall mechanical properties with reduced wall thickness of the sheet metal part and, thus, lower weight of the components. One of the main focuses of research into such hybrid structures is on the adhesive properties and the respective failure behaviour of the interfaces. Generally, the failure behaviour under the influence of mechanical loads can be divided into adhesive, cohesive and mixed-mode failure. The correlation between observed failure behaviour and adhesion properties of the hybrid composite materials is analysed in detail in this work. The hybrid composite consists of an aluminium sheet of the alloy EN AW‑6082 T6 and thermoset carbon fibre-reinforced plastic (CFRP) prepreg. The aluminium sheet was laser pretreated before hybrid production to improve the adhesion properties. The specimens studied were produced by the prepreg pressing process, in which the components are cured and joined simultaneously. The influences of the thickness of the CFRP part, the layup, the fibre orientation at the boundary layer, and the laser pretreatment parameters on the properties of the hybrid joints were investigated."}],"title":"Correlation between interlaminar shear strength of CFRP and joint strength of aluminium-CFRP hybrid joints","date_updated":"2026-02-20T12:49:17Z","_id":"58163","status":"public","year":"2025","publication_identifier":{"issn":["0021-8464","1545-5823"]},"language":[{"iso":"eng"}],"publisher":"Informa UK Limited","date_created":"2025-01-13T08:16:46Z","department":[{"_id":"321"},{"_id":"149"},{"_id":"9"}],"publication_status":"published","citation":{"mla":"Wu, Shuang, et al. “Correlation between Interlaminar Shear Strength of CFRP and Joint Strength of Aluminium-CFRP Hybrid Joints.” The Journal of Adhesion, Informa UK Limited, 2025, pp. 1–26, doi:10.1080/00218464.2024.2439956.","bibtex":"@article{Wu_Delp_Freund_Walther_Haubrich_Löbbecke_Tröster_2025, title={Correlation between interlaminar shear strength of CFRP and joint strength of aluminium-CFRP hybrid joints}, DOI={10.1080/00218464.2024.2439956}, journal={The Journal of Adhesion}, publisher={Informa UK Limited}, author={Wu, Shuang and Delp, Alexander and Freund, Jonathan and Walther, Frank and Haubrich, Jan and Löbbecke, Miriam and Tröster, Thomas}, year={2025}, pages={1–26} }","short":"S. Wu, A. Delp, J. Freund, F. Walther, J. Haubrich, M. Löbbecke, T. Tröster, The Journal of Adhesion (2025) 1–26.","ama":"Wu S, Delp A, Freund J, et al. Correlation between interlaminar shear strength of CFRP and joint strength of aluminium-CFRP hybrid joints. The Journal of Adhesion. Published online 2025:1-26. doi:10.1080/00218464.2024.2439956","apa":"Wu, S., Delp, A., Freund, J., Walther, F., Haubrich, J., Löbbecke, M., & Tröster, T. (2025). Correlation between interlaminar shear strength of CFRP and joint strength of aluminium-CFRP hybrid joints. The Journal of Adhesion, 1–26. https://doi.org/10.1080/00218464.2024.2439956","chicago":"Wu, Shuang, Alexander Delp, Jonathan Freund, Frank Walther, Jan Haubrich, Miriam Löbbecke, and Thomas Tröster. “Correlation between Interlaminar Shear Strength of CFRP and Joint Strength of Aluminium-CFRP Hybrid Joints.” The Journal of Adhesion, 2025, 1–26. https://doi.org/10.1080/00218464.2024.2439956.","ieee":"S. Wu et al., “Correlation between interlaminar shear strength of CFRP and joint strength of aluminium-CFRP hybrid joints,” The Journal of Adhesion, pp. 1–26, 2025, doi: 10.1080/00218464.2024.2439956."},"author":[{"first_name":"Shuang","full_name":"Wu, Shuang","id":"48039","last_name":"Wu","orcid":"0000-0001-8645-9952"},{"last_name":"Delp","full_name":"Delp, Alexander","first_name":"Alexander"},{"last_name":"Freund","full_name":"Freund, Jonathan","first_name":"Jonathan"},{"full_name":"Walther, Frank","first_name":"Frank","last_name":"Walther"},{"last_name":"Haubrich","full_name":"Haubrich, Jan","first_name":"Jan"},{"first_name":"Miriam","full_name":"Löbbecke, Miriam","last_name":"Löbbecke"},{"last_name":"Tröster","id":"553","first_name":"Thomas","full_name":"Tröster, Thomas"}],"article_type":"original"},{"date_updated":"2026-02-20T13:00:47Z","_id":"62727","publication_identifier":{"issn":["2732-527X"]},"year":"2025","language":[{"iso":"eng"}],"status":"public","date_created":"2025-12-01T14:02:52Z","publisher":"Cambridge University Press (CUP)","department":[{"_id":"741"}],"citation":{"apa":"Wawer, M. L., Müller, L., Khaled, J. B., Stauß, T., Wurst, J., Mozgova, I., & Lachmayer, R. (2025). A maturity based data management integration in engineering research projects. Proceedings of the Design Society, 5, 169–178. https://doi.org/10.1017/pds.2025.10031","ama":"Wawer ML, Müller L, Khaled JB, et al. A maturity based data management integration in engineering research projects. Proceedings of the Design Society. 2025;5:169-178. doi:10.1017/pds.2025.10031","ieee":"M. L. Wawer et al., “A maturity based data management integration in engineering research projects,” Proceedings of the Design Society, vol. 5, pp. 169–178, 2025, doi: 10.1017/pds.2025.10031.","chicago":"Wawer, Max Leo, Laura Müller, Jaouhar Ben Khaled, Timo Stauß, Johanna Wurst, Iryna Mozgova, and Roland Lachmayer. “A Maturity Based Data Management Integration in Engineering Research Projects.” Proceedings of the Design Society 5 (2025): 169–78. https://doi.org/10.1017/pds.2025.10031.","bibtex":"@article{Wawer_Müller_Khaled_Stauß_Wurst_Mozgova_Lachmayer_2025, title={A maturity based data management integration in engineering research projects}, volume={5}, DOI={10.1017/pds.2025.10031}, journal={Proceedings of the Design Society}, publisher={Cambridge University Press (CUP)}, author={Wawer, Max Leo and Müller, Laura and Khaled, Jaouhar Ben and Stauß, Timo and Wurst, Johanna and Mozgova, Iryna and Lachmayer, Roland}, year={2025}, pages={169–178} }","mla":"Wawer, Max Leo, et al. “A Maturity Based Data Management Integration in Engineering Research Projects.” Proceedings of the Design Society, vol. 5, Cambridge University Press (CUP), 2025, pp. 169–78, doi:10.1017/pds.2025.10031.","short":"M.L. Wawer, L. Müller, J.B. Khaled, T. Stauß, J. Wurst, I. Mozgova, R. Lachmayer, Proceedings of the Design Society 5 (2025) 169–178."},"publication_status":"published","intvolume":" 5","author":[{"full_name":"Wawer, Max Leo","first_name":"Max Leo","last_name":"Wawer"},{"id":"44605","last_name":"Müller","full_name":"Müller, Laura","first_name":"Laura"},{"full_name":"Khaled, Jaouhar Ben","first_name":"Jaouhar Ben","last_name":"Khaled"},{"first_name":"Timo","full_name":"Stauß, Timo","last_name":"Stauß"},{"full_name":"Wurst, Johanna","first_name":"Johanna","last_name":"Wurst"},{"id":"95903","last_name":"Mozgova","first_name":"Iryna","full_name":"Mozgova, Iryna"},{"last_name":"Lachmayer","first_name":"Roland","full_name":"Lachmayer, Roland"}],"page":"169-178","volume":5,"type":"journal_article","quality_controlled":"1","publication":"Proceedings of the Design Society","user_id":"44605","abstract":[{"text":"With the increasing amount of data in collaborative engineering research, the need for effective and efficient data management is growing. This paper uses a maturity-based process model to examine the implementation of research data management (RDM) in engineering projects. A process model visualizes a research-supported implementation of RDM and helps researchers evaluate their data management strategies through maturity level assessment. For this approach, activities are assigned to different maturity levels based on a maturity level characteristic providing a differentiated view of the implementation of RDM. An example from an ongoing project shows the application and support of the developed maturity-based process model. The work emphasizes the importance of standardized and quality-assured data management for the success of research projects and their contribution to the scientific community","lang":"eng"}],"doi":"10.1017/pds.2025.10031","title":"A maturity based data management integration in engineering research projects"},{"publisher":"Springer Nature Switzerland","date_created":"2025-12-01T14:12:55Z","quality_controlled":"1","publication":"IFIP Advances in Information and Communication Technology","status":"public","language":[{"iso":"eng"}],"publication_identifier":{"isbn":["9783032097033","9783032097040"],"issn":["1868-4238","1868-422X"]},"year":"2025","type":"conference","_id":"62728","page":"140-150","date_updated":"2026-02-20T13:01:07Z","author":[{"first_name":"Laura","full_name":"Müller, Laura","last_name":"Müller","id":"44605"},{"full_name":"Hinterthaner, Marc","first_name":"Marc","last_name":"Hinterthaner"},{"last_name":"Ortlieb","full_name":"Ortlieb, Eduard","first_name":"Eduard"},{"last_name":"Mohnfeld","first_name":"Norman","full_name":"Mohnfeld, Norman"},{"id":"40599","last_name":"Schultz","full_name":"Schultz, Andreas Maximilian","first_name":"Andreas Maximilian"},{"last_name":"Uhe","full_name":"Uhe, Johanna","first_name":"Johanna"},{"last_name":"Koepler","full_name":"Koepler, Oliver","first_name":"Oliver"},{"id":"95903","last_name":"Mozgova","first_name":"Iryna","full_name":"Mozgova, Iryna"}],"title":"Getting Things Done: How to Make Simulation Data FAIR and Ready to Reuse","doi":"10.1007/978-3-032-09704-0_14","place":"Cham","publication_status":"published","user_id":"44605","citation":{"mla":"Müller, Laura, et al. “Getting Things Done: How to Make Simulation Data FAIR and Ready to Reuse.” IFIP Advances in Information and Communication Technology, Springer Nature Switzerland, 2025, pp. 140–50, doi:10.1007/978-3-032-09704-0_14.","bibtex":"@inproceedings{Müller_Hinterthaner_Ortlieb_Mohnfeld_Schultz_Uhe_Koepler_Mozgova_2025, place={Cham}, title={Getting Things Done: How to Make Simulation Data FAIR and Ready to Reuse}, DOI={10.1007/978-3-032-09704-0_14}, booktitle={IFIP Advances in Information and Communication Technology}, publisher={Springer Nature Switzerland}, author={Müller, Laura and Hinterthaner, Marc and Ortlieb, Eduard and Mohnfeld, Norman and Schultz, Andreas Maximilian and Uhe, Johanna and Koepler, Oliver and Mozgova, Iryna}, year={2025}, pages={140–150} }","short":"L. Müller, M. Hinterthaner, E. Ortlieb, N. Mohnfeld, A.M. Schultz, J. Uhe, O. Koepler, I. Mozgova, in: IFIP Advances in Information and Communication Technology, Springer Nature Switzerland, Cham, 2025, pp. 140–150.","ama":"Müller L, Hinterthaner M, Ortlieb E, et al. Getting Things Done: How to Make Simulation Data FAIR and Ready to Reuse. In: IFIP Advances in Information and Communication Technology. Springer Nature Switzerland; 2025:140-150. doi:10.1007/978-3-032-09704-0_14","apa":"Müller, L., Hinterthaner, M., Ortlieb, E., Mohnfeld, N., Schultz, A. M., Uhe, J., Koepler, O., & Mozgova, I. (2025). Getting Things Done: How to Make Simulation Data FAIR and Ready to Reuse. IFIP Advances in Information and Communication Technology, 140–150. https://doi.org/10.1007/978-3-032-09704-0_14","chicago":"Müller, Laura, Marc Hinterthaner, Eduard Ortlieb, Norman Mohnfeld, Andreas Maximilian Schultz, Johanna Uhe, Oliver Koepler, and Iryna Mozgova. “Getting Things Done: How to Make Simulation Data FAIR and Ready to Reuse.” In IFIP Advances in Information and Communication Technology, 140–50. Cham: Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-032-09704-0_14.","ieee":"L. Müller et al., “Getting Things Done: How to Make Simulation Data FAIR and Ready to Reuse,” in IFIP Advances in Information and Communication Technology, 2025, pp. 140–150, doi: 10.1007/978-3-032-09704-0_14."},"department":[{"_id":"741"}]},{"citation":{"ama":"Schultz AM, Mozgova I, Altun O, et al. Strukturierte FDM-Plattformen: Aktuelle Lösungen Und Herausforderungen in Informationsinfrastrukturprojekten. LibreCat University; 2025. doi:10.5281/ZENODO.17670597","apa":"Schultz, A. M., Mozgova, I., Altun, O., Karras, O., Koepler, O., Müller, L., Nuenberger, F., Röwenstrunk, D., & Wawer, M. L. (2025). Strukturierte FDM-Plattformen: Aktuelle Lösungen und Herausforderungen in Informationsinfrastrukturprojekten. LibreCat University. https://doi.org/10.5281/ZENODO.17670597","ieee":"A. M. Schultz et al., Strukturierte FDM-Plattformen: Aktuelle Lösungen und Herausforderungen in Informationsinfrastrukturprojekten. LibreCat University, 2025.","chicago":"Schultz, Andreas Maximilian, Iryna Mozgova, Osman Altun, Oliver Karras, Oliver Koepler, Laura Müller, Florian Nuenberger, Daniel Röwenstrunk, and Max Leo Wawer. Strukturierte FDM-Plattformen: Aktuelle Lösungen Und Herausforderungen in Informationsinfrastrukturprojekten. LibreCat University, 2025. https://doi.org/10.5281/ZENODO.17670597.","bibtex":"@book{Schultz_Mozgova_Altun_Karras_Koepler_Müller_Nuenberger_Röwenstrunk_Wawer_2025, title={Strukturierte FDM-Plattformen: Aktuelle Lösungen und Herausforderungen in Informationsinfrastrukturprojekten}, DOI={10.5281/ZENODO.17670597}, publisher={LibreCat University}, author={Schultz, Andreas Maximilian and Mozgova, Iryna and Altun, Osman and Karras, Oliver and Koepler, Oliver and Müller, Laura and Nuenberger, Florian and Röwenstrunk, Daniel and Wawer, Max Leo}, year={2025} }","mla":"Schultz, Andreas Maximilian, et al. Strukturierte FDM-Plattformen: Aktuelle Lösungen Und Herausforderungen in Informationsinfrastrukturprojekten. LibreCat University, 2025, doi:10.5281/ZENODO.17670597.","short":"A.M. Schultz, I. Mozgova, O. Altun, O. Karras, O. Koepler, L. Müller, F. Nuenberger, D. Röwenstrunk, M.L. Wawer, Strukturierte FDM-Plattformen: Aktuelle Lösungen Und Herausforderungen in Informationsinfrastrukturprojekten, LibreCat University, 2025."},"user_id":"44605","department":[{"_id":"741"}],"title":"Strukturierte FDM-Plattformen: Aktuelle Lösungen und Herausforderungen in Informationsinfrastrukturprojekten","author":[{"first_name":"Andreas Maximilian","full_name":"Schultz, Andreas Maximilian","id":"40599","last_name":"Schultz"},{"first_name":"Iryna","full_name":"Mozgova, Iryna","id":"95903","last_name":"Mozgova"},{"first_name":"Osman","full_name":"Altun, Osman","id":"109175","last_name":"Altun"},{"first_name":"Oliver","full_name":"Karras, Oliver","last_name":"Karras"},{"first_name":"Oliver","full_name":"Koepler, Oliver","last_name":"Koepler"},{"first_name":"Laura","full_name":"Müller, Laura","id":"44605","last_name":"Müller"},{"last_name":"Nuenberger","full_name":"Nuenberger, Florian","first_name":"Florian"},{"orcid":"https://orcid.org/0000-0001-6271-2095","first_name":"Daniel","full_name":"Röwenstrunk, Daniel","last_name":"Röwenstrunk","id":"439"},{"last_name":"Wawer","full_name":"Wawer, Max Leo","first_name":"Max Leo"}],"doi":"10.5281/ZENODO.17670597","_id":"63716","date_updated":"2026-02-20T13:01:20Z","date_created":"2026-01-23T09:22:38Z","publisher":"LibreCat University","type":"research_data","year":"2025","status":"public"},{"author":[{"full_name":"Hermelingmeier, Lucas","first_name":"Lucas","id":"58649","last_name":"Hermelingmeier"},{"first_name":"Dominik","full_name":"Teutenberg, Dominik","id":"537","last_name":"Teutenberg"},{"id":"32056","last_name":"Meschut","first_name":"Gerson","full_name":"Meschut, Gerson","orcid":"0000-0002-2763-1246"}],"title":"Application of distributed fiber optic sensing for defect detection in adhesive bonds","conference":{"end_date":"2025-07-11","start_date":"2025-07-10","location":"Porto, Portugal","name":"AB2025 8th International Conference on Adhesive Bonding 2025"},"department":[{"_id":"157"}],"user_id":"537","citation":{"ieee":"L. Hermelingmeier, D. Teutenberg, and G. Meschut, “Application of distributed fiber optic sensing for defect detection in adhesive bonds,” presented at the AB2025 8th International Conference on Adhesive Bonding 2025, Porto, Portugal, 2025.","chicago":"Hermelingmeier, Lucas, Dominik Teutenberg, and Gerson Meschut. “Application of Distributed Fiber Optic Sensing for Defect Detection in Adhesive Bonds,” 2025.","ama":"Hermelingmeier L, Teutenberg D, Meschut G. Application of distributed fiber optic sensing for defect detection in adhesive bonds. In: ; 2025.","apa":"Hermelingmeier, L., Teutenberg, D., & Meschut, G. (2025). Application of distributed fiber optic sensing for defect detection in adhesive bonds. AB2025 8th International Conference on Adhesive Bonding 2025, Porto, Portugal.","short":"L. Hermelingmeier, D. Teutenberg, G. Meschut, in: 2025.","bibtex":"@inproceedings{Hermelingmeier_Teutenberg_Meschut_2025, title={Application of distributed fiber optic sensing for defect detection in adhesive bonds}, author={Hermelingmeier, Lucas and Teutenberg, Dominik and Meschut, Gerson}, year={2025} }","mla":"Hermelingmeier, Lucas, et al. Application of Distributed Fiber Optic Sensing for Defect Detection in Adhesive Bonds. 2025."},"status":"public","language":[{"iso":"eng"}],"year":"2025","type":"conference_abstract","date_created":"2025-07-15T11:18:52Z","quality_controlled":"1","date_updated":"2026-02-23T08:24:48Z","_id":"60623"},{"title":"Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz","author":[{"full_name":"Meschut, Gerson","first_name":"Gerson","id":"32056","last_name":"Meschut","orcid":"0000-0002-2763-1246"},{"orcid":"0000-0001-9201-9304","first_name":"Keke","full_name":"Yang, Keke","id":"65085","last_name":"Yang"},{"last_name":"Rethmeier","full_name":"Rethmeier, Michael","first_name":"Michael"},{"first_name":"Bassel","full_name":"El-Sari, Bassel","last_name":"El-Sari"}],"citation":{"short":"G. Meschut, K. Yang, M. Rethmeier, B. El-Sari, Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz, 2025.","mla":"Meschut, Gerson, et al. Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz. 2025.","bibtex":"@book{Meschut_Yang_Rethmeier_El-Sari_2025, title={Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz}, author={Meschut, Gerson and Yang, Keke and Rethmeier, Michael and El-Sari, Bassel}, year={2025} }","chicago":"Meschut, Gerson, Keke Yang, Michael Rethmeier, and Bassel El-Sari. Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz, 2025.","ieee":"G. Meschut, K. Yang, M. Rethmeier, and B. El-Sari, Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz. 2025.","apa":"Meschut, G., Yang, K., Rethmeier, M., & El-Sari, B. (2025). Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz.","ama":"Meschut G, Yang K, Rethmeier M, El-Sari B. Entwicklung eines methodischen Ansatzes zur Vermeidung der Spritzerbildung beim Widerstandspunktschweißen durch multiparametrische Prozessanalyse mittels künstlicher Intelligenz.; 2025."},"publication_status":"published","user_id":"65085","department":[{"_id":"157"}],"date_created":"2025-12-24T09:21:18Z","quality_controlled":"1","language":[{"iso":"ger"}],"publication_identifier":{"isbn":["978-3-96780-219-1"]},"year":"2025","type":"book","status":"public","_id":"63411","date_updated":"2026-02-23T10:26:51Z"},{"_id":"58878","date_updated":"2026-02-23T11:44:14Z","date_created":"2025-03-03T08:40:56Z","publication":"25. Kolloquium: Gemeinsame Forschung in der Klebtechnik","status":"public","language":[{"iso":"eng"}],"type":"conference","year":"2025","user_id":"537","citation":{"ama":"Buczek M, Duffe T, Kullmer G, Tews K, Teutenberg D, Meschut G. 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It begins by tracing the concept of resilience from systems theory to social and political life, showing that resilience in democracy is not a mechanical property of systems but a dynamic, human-driven practice grounded in agency, resistance, and collective self-determination. The paper argues that with emerging challenges in the digital sphere, such as misinformation, surveillance capitalism, platform monopolies, deepfakes, and hybrid warfare, democracy can only endure if its digital dimensions are protected and transformed. Building on this foundation, the paper introduces a holistic approach to resilient digital democracy that spans environmental, technological, economic, political, and cultural domains, and advances strategies such as public-commons digital infrastructures, platform co-operatives, public service Internet platforms, free/libre open source software (FLOSS), participatory innovations, and hybrid offline/online democratic practices. The result is a fresh, interdisciplinary vision of how democracy can be reinvented in the digital age.","lang":"eng"}],"has_accepted_license":"1","title":"What is and how do we Achieve a Resilient Digital Democracy?","article_number":"387","volume":5,"type":"journal_article","quality_controlled":"1","publication":"Open Research Europe"},{"date_created":"2025-05-12T15:21:06Z","language":[{"iso":"eng"}],"year":"2025","status":"public","_id":"59872","date_updated":"2026-02-24T13:41:58Z","article_type":"original","conference":{"start_date":"2025-06-02","location":"Lissabon (Portugal)","name":"44th Conference of the International Deep Drawing Research Group (IDDRG 2025)","end_date":"2025-06-05"},"author":[{"last_name":"Neuser","id":"32340","full_name":"Neuser, Moritz","first_name":"Moritz"},{"last_name":"Schlichter","id":"61977","first_name":"Malte Christian","full_name":"Schlichter, Malte Christian"},{"id":"48411","last_name":"Hoyer","first_name":"Kay-Peter","full_name":"Hoyer, Kay-Peter"},{"id":"7850","last_name":"Bobbert","first_name":"Mathias","full_name":"Bobbert, Mathias"},{"orcid":"0000-0002-2763-1246","id":"32056","last_name":"Meschut","full_name":"Meschut, Gerson","first_name":"Gerson"},{"id":"43720","last_name":"Schaper","first_name":"Mirko","full_name":"Schaper, Mirko"}],"intvolume":" 408","citation":{"short":"M. 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Neuser, M. C. Schlichter, K.-P. Hoyer, M. Bobbert, G. Meschut, and M. Schaper, “Mechanical joinability of microstructurally graded structural components manufactured from hypoeutectic aluminium casting alloys,” 44th Conference of the International Deep Drawing Research Group (IDDRG 2025), vol. 408, Art. no. 01081, 2025, doi: 10.1051/matecconf/202540801081.","apa":"Neuser, M., Schlichter, M. C., Hoyer, K.-P., Bobbert, M., Meschut, G., & Schaper, M. (2025). Mechanical joinability of microstructurally graded structural components manufactured from hypoeutectic aluminium casting alloys. 44th Conference of the International Deep Drawing Research Group (IDDRG 2025), 408, Article 01081. https://doi.org/10.1051/matecconf/202540801081","ama":"Neuser M, Schlichter MC, Hoyer K-P, Bobbert M, Meschut G, Schaper M. Mechanical joinability of microstructurally graded structural components manufactured from hypoeutectic aluminium casting alloys. 44th Conference of the International Deep Drawing Research Group (IDDRG 2025). 2025;408. doi:10.1051/matecconf/202540801081"},"publication_status":"published","department":[{"_id":"43"},{"_id":"158"},{"_id":"157"},{"_id":"9"},{"_id":"321"}],"publication":"44th Conference of the International Deep Drawing Research Group (IDDRG 2025)","quality_controlled":"1","type":"journal_article","volume":408,"article_number":"01081","title":"Mechanical joinability of microstructurally graded structural components manufactured from hypoeutectic aluminium casting alloys","project":[{"_id":"131","name":"TRR 285 - A: TRR 285 - Project Area A"},{"_id":"136","name":"TRR 285 – A02: TRR 285 - Subproject A02"},{"name":"TRR 285 – A01: TRR 285 - Subproject A01","_id":"135"},{"_id":"130","name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"abstract":[{"lang":"eng","text":"Lightweight design is a driving concept in modern automotive engineering to minimize resource consumption over a vehicle's lifecycle through multi-material design, which relies on the use of joining techniques in car body fabrication. Multi-material design and the increasing trend towards producing large structural components using the megacasting process pose considerable challenges, particularly in the mechanical joining of aluminium-silicon (AlSi) castings. These castings typically exhibit low ductility and are prone to cracking when mechanically joined. Based on the excellent castability of hypoeutectic AlSi alloys, these are applied in sand casting and die casting as well as in megacasting. With a silicon content between 7 wt% and 12 wt%, these AlSi-alloys have a plate-like silicon phase that initiates cracks during mechanical joining. To enhance the joinability of castings, the research hypothesis is that improved solidification conditions enable a significant modification in the microstructure and therefore, increase the mechanical properties. During the manufacture of the castings using the sand casting process, the solidification conditions within the structural elements are varied to modify the microstructure to obtain castings with graded microstructure. The castings are evaluated using mechanical, microstructural and joining testing methods and finally, a microstructure-joinability correlation is established."}],"doi":"10.1051/matecconf/202540801081","main_file_link":[{"url":"\thttps://doi.org/10.1051/matecconf/202540801081","open_access":"1"}],"keyword":["Joining","Casting","Self-pierce riveting","Aluminium casting alloy"],"oa":"1","user_id":"7850"},{"doi":"10.21741/9781644903599-148","intvolume":" 54","abstract":[{"text":"Abstract. In the development of advanced lightweight automotive solutions, self-piercing riveting (SPR) offers the possibility of joining multi-material structures to fulfil a wide variety of requirements. With regard to the entire process chain, production-related pre-deformations of the parts to be joined can influence the geometric shape and load capacity of SPR joints. Various studies have investigated the influence of pre-stretched sheet materials, in the sense of pre-drawing processes, on the formation of SPR joints. The impact of pre-stretching sheet metals on the formation of their geometrical characteristics and the shear-tensile strength of SPR processes was observed [1]. Pre-rolled semi-finished products are also joined together in mixed material automotive structures, e.g. tailor rolled blanks. This work aims to investigate the influence of pre-rolled joining parts on the geometric formation and load-carrying capacity of SPR joints. For this purpose, sheets of metal are cold-formed using a rolling process to induce a defined strain-hardening state in the material and then joined in various combinations. As the degree of deformation increases, the rolling of samples can lead to minimal accumulation of damage in the sheet materials, which can influence the joint behaviour. The rolling process, as well as the subsequent joining process, are also investigated by FEM. The influence of pre-rolled semi-finished products on the strength of the SPR joints is investigated.","lang":"eng"}],"project":[{"name":"TRR 285 - A: TRR 285 - Project Area A","_id":"131"},{"name":"TRR 285 – A01: TRR 285 - Subproject A01","_id":"135"},{"_id":"130","name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"place":"Paestum","author":[{"first_name":"Malte Christian","full_name":"Schlichter, Malte Christian","last_name":"Schlichter","id":"61977"},{"last_name":"Harabati","first_name":"Özcan","full_name":"Harabati, Özcan"},{"full_name":"Ludwig, Jean-Patrick","first_name":"Jean-Patrick","id":"76631","last_name":"Ludwig"},{"full_name":"Böhnke, Max","first_name":"Max","last_name":"Böhnke","id":"45779"},{"first_name":"Christian Roman","full_name":"Bielak, Christian Roman","id":"34782","last_name":"Bielak"},{"first_name":"Mathias","full_name":"Bobbert, Mathias","last_name":"Bobbert","id":"7850"},{"orcid":"0000-0002-2763-1246","last_name":"Meschut","id":"32056","full_name":"Meschut, Gerson","first_name":"Gerson"}],"title":"Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints","department":[{"_id":"157"}],"user_id":"7850","publication_status":"published","citation":{"chicago":"Schlichter, Malte Christian, Özcan Harabati, Jean-Patrick Ludwig, Max Böhnke, Christian Roman Bielak, Mathias Bobbert, and Gerson Meschut. “Experimental and Numerical Investigation of the Influence of Rolling-Induced Sheet Metal Deformation on SPR Joints.” In Materials Research Proceedings, Vol. 54. Paestum: Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-148.","ieee":"M. C. Schlichter et al., “Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints,” in Materials Research Proceedings, 2025, vol. 54, doi: 10.21741/9781644903599-148.","apa":"Schlichter, M. C., Harabati, Ö., Ludwig, J.-P., Böhnke, M., Bielak, C. R., Bobbert, M., & Meschut, G. (2025). Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints. Materials Research Proceedings, 54. https://doi.org/10.21741/9781644903599-148","ama":"Schlichter MC, Harabati Ö, Ludwig J-P, et al. Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints. In: Materials Research Proceedings. Vol 54. Materials Research Forum LLC; 2025. doi:10.21741/9781644903599-148","short":"M.C. Schlichter, Ö. Harabati, J.-P. Ludwig, M. Böhnke, C.R. Bielak, M. Bobbert, G. Meschut, in: Materials Research Proceedings, Materials Research Forum LLC, Paestum, 2025.","mla":"Schlichter, Malte Christian, et al. “Experimental and Numerical Investigation of the Influence of Rolling-Induced Sheet Metal Deformation on SPR Joints.” Materials Research Proceedings, vol. 54, Materials Research Forum LLC, 2025, doi:10.21741/9781644903599-148.","bibtex":"@inproceedings{Schlichter_Harabati_Ludwig_Böhnke_Bielak_Bobbert_Meschut_2025, place={Paestum}, title={Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints}, volume={54}, DOI={10.21741/9781644903599-148}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Schlichter, Malte Christian and Harabati, Özcan and Ludwig, Jean-Patrick and Böhnke, Max and Bielak, Christian Roman and Bobbert, Mathias and Meschut, Gerson}, year={2025} }"},"status":"public","year":"2025","type":"conference","publication_identifier":{"issn":["2474-395X"]},"language":[{"iso":"eng"}],"publisher":"Materials Research Forum LLC","publication":"Materials Research Proceedings","quality_controlled":"1","date_created":"2025-05-13T06:54:20Z","date_updated":"2026-02-24T13:42:57Z","volume":54,"_id":"59878"},{"author":[{"id":"61977","last_name":"Schlichter","first_name":"Malte Christian","full_name":"Schlichter, Malte Christian"},{"id":"54972","last_name":"Harabati","first_name":"Özcan","full_name":"Harabati, Özcan"},{"last_name":"Ludwig","id":"76631","first_name":"Jean-Patrick","full_name":"Ludwig, Jean-Patrick"},{"first_name":"Max","full_name":"Böhnke, Max","last_name":"Böhnke","id":"45779"},{"id":"34782","last_name":"Bielak","first_name":"Christian Roman","full_name":"Bielak, Christian Roman"},{"id":"7850","last_name":"Bobbert","full_name":"Bobbert, Mathias","first_name":"Mathias"},{"orcid":"0000-0002-2763-1246","full_name":"Meschut, Gerson","first_name":"Gerson","id":"32056","last_name":"Meschut"}],"intvolume":" 54","publication_status":"published","citation":{"ieee":"M. C. Schlichter et al., “Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints,” in Materials Research Proceedings, 2025, vol. 54, doi: 10.21741/9781644903599-148.","chicago":"Schlichter, Malte Christian, Özcan Harabati, Jean-Patrick Ludwig, Max Böhnke, Christian Roman Bielak, Mathias Bobbert, and Gerson Meschut. “Experimental and Numerical Investigation of the Influence of Rolling-Induced Sheet Metal Deformation on SPR Joints.” In Materials Research Proceedings, Vol. 54. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-148.","ama":"Schlichter MC, Harabati Ö, Ludwig J-P, et al. Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints. In: Materials Research Proceedings. Vol 54. Materials Research Forum LLC; 2025. doi:10.21741/9781644903599-148","apa":"Schlichter, M. C., Harabati, Ö., Ludwig, J.-P., Böhnke, M., Bielak, C. R., Bobbert, M., & Meschut, G. (2025). Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints. Materials Research Proceedings, 54. https://doi.org/10.21741/9781644903599-148","short":"M.C. Schlichter, Ö. Harabati, J.-P. Ludwig, M. Böhnke, C.R. Bielak, M. Bobbert, G. Meschut, in: Materials Research Proceedings, Materials Research Forum LLC, 2025.","bibtex":"@inproceedings{Schlichter_Harabati_Ludwig_Böhnke_Bielak_Bobbert_Meschut_2025, title={Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints}, volume={54}, DOI={10.21741/9781644903599-148}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Schlichter, Malte Christian and Harabati, Özcan and Ludwig, Jean-Patrick and Böhnke, Max and Bielak, Christian Roman and Bobbert, Mathias and Meschut, Gerson}, year={2025} }","mla":"Schlichter, Malte Christian, et al. “Experimental and Numerical Investigation of the Influence of Rolling-Induced Sheet Metal Deformation on SPR Joints.” Materials Research Proceedings, vol. 54, Materials Research Forum LLC, 2025, doi:10.21741/9781644903599-148."},"department":[{"_id":"157"}],"publisher":"Materials Research Forum LLC","date_created":"2025-08-22T10:20:15Z","status":"public","year":"2025","publication_identifier":{"issn":["2474-395X"]},"language":[{"iso":"eng"}],"_id":"60977","date_updated":"2026-02-24T14:02:01Z","title":"Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints","abstract":[{"lang":"eng","text":"In the development of advanced lightweight automotive solutions, self-piercing riveting (SPR) offers the possibility of joining multi-material structures to fulfil a wide variety of requirements. With regard to the entire process chain, production-related pre-deformations of the parts to be joined can influence the geometric shape and load capacity of SPR joints. Various studies have investigated the influence of pre-stretched sheet materials, in the sense of pre-drawing processes, on the formation of SPR joints. The impact of pre-stretching sheet metals on the formation of their geometrical characteristics and the shear-tensile strength of SPR processes was observed [1]. Pre-rolled semi-finished products are also joined together in mixed material automotive structures, e.g. tailor rolled blanks. This work aims to investigate the influence of pre-rolled joining parts on the geometric formation and load-carrying capacity of SPR joints. For this purpose, sheets of metal are cold-formed using a rolling process to induce a defined strain-hardening state in the material and then joined in various combinations. As the degree of deformation increases, the rolling of samples can lead to minimal accumulation of damage in the sheet materials, which can influence the joint behaviour. The rolling process, as well as the subsequent joining process, are also investigated by FEM. The influence of pre-rolled semi-finished products on the strength of the SPR joints is investigated."}],"doi":"10.21741/9781644903599-148","project":[{"_id":"135","name":"TRR 285 - Subproject A01"},{"_id":"131","name":"TRR 285 - Project Area A"},{"_id":"130","name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"user_id":"7850","publication":"Materials Research Proceedings","quality_controlled":"1","type":"conference","volume":54},{"title":"Investigation on manufacturing-induced pre-deformation on the fatigue behaviour of clinched joints","author":[{"id":"61977","last_name":"Schlichter","first_name":"Malte Christian","full_name":"Schlichter, Malte Christian"},{"full_name":"Harabati, Özcan","first_name":"Özcan","last_name":"Harabati","id":"54972"},{"first_name":"Max","full_name":"Böhnke, Max","id":"45779","last_name":"Böhnke"},{"id":"34782","last_name":"Bielak","first_name":"Christian Roman","full_name":"Bielak, Christian Roman"},{"full_name":"Bobbert, Mathias","first_name":"Mathias","last_name":"Bobbert","id":"7850"},{"full_name":"Meschut, Gerson","first_name":"Gerson","last_name":"Meschut"}],"project":[{"_id":"131","name":"TRR 285 - Project Area A"},{"_id":"135","name":"TRR 285 - Subproject A01"},{"name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"doi":"10.21741/9781644903551-16","abstract":[{"text":"The present study is an experimental analysis of the influence of pre-forming on the failure behaviour of clinched specimens under quasi-static and cyclic loading conditions. In this context, the geometric formation of the clinched joints is taken into account, with regard to the loading behaviour. The study also includes a comparison of the failure behaviour of quasi-static and cyclic tested specimen. Testing is done on non-pre-deformed and pre-deformed specimens. For this purpose, experimental investigations are carried out on two material combinations consisting of HCT590X steel sheet and EN AW-6014 T4 aluminium sheet. The focus is on the fatigue analysis of the clinched joints. The aim is to identify the failure modes under cyclic loading and the crack formation with regard to forming operations prior to the joining process. The investigations show that the cyclic load-bearing behaviour of the HCT590X joints is reduced by introducing a plastic pre-deformation of the to be joined parts.","lang":"eng"}],"intvolume":" 52","citation":{"short":"M.C. Schlichter, Ö. Harabati, M. Böhnke, C.R. Bielak, M. Bobbert, G. Meschut, in: Materials Research Proceedings, Materials Research Forum LLC, 2025.","bibtex":"@inproceedings{Schlichter_Harabati_Böhnke_Bielak_Bobbert_Meschut_2025, title={Investigation on manufacturing-induced pre-deformation on the fatigue behaviour of clinched joints}, volume={52}, DOI={10.21741/9781644903551-16}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Schlichter, Malte Christian and Harabati, Özcan and Böhnke, Max and Bielak, Christian Roman and Bobbert, Mathias and Meschut, Gerson}, year={2025} }","mla":"Schlichter, Malte Christian, et al. “Investigation on Manufacturing-Induced Pre-Deformation on the Fatigue Behaviour of Clinched Joints.” Materials Research Proceedings, vol. 52, Materials Research Forum LLC, 2025, doi:10.21741/9781644903551-16.","ieee":"M. C. Schlichter, Ö. Harabati, M. Böhnke, C. R. Bielak, M. Bobbert, and G. Meschut, “Investigation on manufacturing-induced pre-deformation on the fatigue behaviour of clinched joints,” in Materials Research Proceedings, 2025, vol. 52, doi: 10.21741/9781644903551-16.","chicago":"Schlichter, Malte Christian, Özcan Harabati, Max Böhnke, Christian Roman Bielak, Mathias Bobbert, and Gerson Meschut. “Investigation on Manufacturing-Induced Pre-Deformation on the Fatigue Behaviour of Clinched Joints.” In Materials Research Proceedings, Vol. 52. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903551-16.","apa":"Schlichter, M. C., Harabati, Ö., Böhnke, M., Bielak, C. R., Bobbert, M., & Meschut, G. (2025). Investigation on manufacturing-induced pre-deformation on the fatigue behaviour of clinched joints. Materials Research Proceedings, 52. https://doi.org/10.21741/9781644903551-16","ama":"Schlichter MC, Harabati Ö, Böhnke M, Bielak CR, Bobbert M, Meschut G. Investigation on manufacturing-induced pre-deformation on the fatigue behaviour of clinched joints. In: Materials Research Proceedings. Vol 52. Materials Research Forum LLC; 2025. doi:10.21741/9781644903551-16"},"publication_status":"published","user_id":"7850","department":[{"_id":"157"}],"date_created":"2025-08-22T10:45:56Z","quality_controlled":"1","publication":"Materials Research Proceedings","publisher":"Materials Research Forum LLC","language":[{"iso":"eng"}],"year":"2025","type":"conference","publication_identifier":{"issn":["2474-395X"]},"status":"public","_id":"60978","volume":52,"date_updated":"2026-02-24T14:02:35Z"},{"department":[{"_id":"157"}],"citation":{"mla":"Chen, Chin, et al. “High-Cycle Fatigue Testing and Parameter Identification for Numerical Simulation of Aluminum Alloy EN AW-6014.” Materials Research Proceedings, vol. 52, Materials Research Forum LLC, 2025, doi:10.21741/9781644903551-23.","bibtex":"@inproceedings{Chen_Schlichter_Harzheim_Hofmann_Bobbert_Meschut_Wallmersperger_2025, title={High-cycle fatigue testing and parameter identification for numerical simulation of aluminum alloy EN AW-6014}, volume={52}, DOI={10.21741/9781644903551-23}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Chen, Chin and Schlichter, Malte Christian and Harzheim, Sven and Hofmann, Martin and Bobbert, Mathias and Meschut, Gerson and Wallmersperger, Thomas}, year={2025} }","short":"C. Chen, M.C. Schlichter, S. Harzheim, M. Hofmann, M. Bobbert, G. Meschut, T. Wallmersperger, in: Materials Research Proceedings, Materials Research Forum LLC, 2025.","ama":"Chen C, Schlichter MC, Harzheim S, et al. High-cycle fatigue testing and parameter identification for numerical simulation of aluminum alloy EN AW-6014. In: Materials Research Proceedings. Vol 52. Materials Research Forum LLC; 2025. doi:10.21741/9781644903551-23","apa":"Chen, C., Schlichter, M. C., Harzheim, S., Hofmann, M., Bobbert, M., Meschut, G., & Wallmersperger, T. (2025). High-cycle fatigue testing and parameter identification for numerical simulation of aluminum alloy EN AW-6014. Materials Research Proceedings, 52. https://doi.org/10.21741/9781644903551-23","chicago":"Chen, Chin, Malte Christian Schlichter, Sven Harzheim, Martin Hofmann, Mathias Bobbert, Gerson Meschut, and Thomas Wallmersperger. “High-Cycle Fatigue Testing and Parameter Identification for Numerical Simulation of Aluminum Alloy EN AW-6014.” In Materials Research Proceedings, Vol. 52. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903551-23.","ieee":"C. Chen et al., “High-cycle fatigue testing and parameter identification for numerical simulation of aluminum alloy EN AW-6014,” in Materials Research Proceedings, 2025, vol. 52, doi: 10.21741/9781644903551-23."},"publication_status":"published","user_id":"7850","project":[{"name":"TRR 285 - A: TRR 285 - Project Area A","_id":"131"},{"_id":"135","name":"TRR 285 – A01: TRR 285 - Subproject A01"},{"_id":"130","name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"abstract":[{"text":"Abstract. As a widely used sheet metal in clinched joints within the automotive industry, the aluminum alloy EN AW-6014 has been the focus of numerous studies. High-cycle fatigue (HCF) is a critical aspect when assessing the durability of clinched joints. In the present work, the HCF behavior of EN AW-6014 T4 was explored both experimentally and numerically. To model the fatigue behavior, Lemaitre’s two-scale damage model was used. Two key parameters, damage strength and damage exponent, are necessary for numerical investigations of HCF behavior. These parameters were determined through experiments with flat specimens and subsequently validated within a numerical model of clinched joints. The numerical results for fatigue match the experimental ones of the clinched joints quite well.","lang":"eng"}],"doi":"10.21741/9781644903551-23","intvolume":" 52","title":"High-cycle fatigue testing and parameter identification for numerical simulation of aluminum alloy EN AW-6014","author":[{"first_name":"Chin","full_name":"Chen, Chin","last_name":"Chen"},{"first_name":"Malte Christian","full_name":"Schlichter, Malte Christian","last_name":"Schlichter","id":"61977"},{"last_name":"Harzheim","first_name":"Sven","full_name":"Harzheim, Sven"},{"first_name":"Martin","full_name":"Hofmann, Martin","last_name":"Hofmann"},{"last_name":"Bobbert","id":"7850","first_name":"Mathias","full_name":"Bobbert, Mathias"},{"full_name":"Meschut, Gerson","first_name":"Gerson","last_name":"Meschut","id":"32056","orcid":"0000-0002-2763-1246"},{"first_name":"Thomas","full_name":"Wallmersperger, Thomas","last_name":"Wallmersperger"}],"date_updated":"2026-02-24T13:43:56Z","_id":"59587","volume":52,"language":[{"iso":"eng"}],"type":"conference","year":"2025","publication_identifier":{"issn":["2474-395X"]},"status":"public","date_created":"2025-04-15T11:14:53Z","publication":"Materials Research Proceedings","quality_controlled":"1","publisher":"Materials Research Forum LLC"},{"publication_status":"inpress","citation":{"ieee":"K. Rohde, B. F. Gonzalez, F. L. Budde, M. Ott, I. Mozgova, and A. A. Mendibe, “Unveiling Barriers to Recycling with a Focus on Design: An Ishikawa Diagram-Based Approach with Industrial Application,” in Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing, Bologna, Italy, vol. 1.","chicago":"Rohde, Katharina, Barbara Fernandez Gonzalez, Finn Lukas Budde, Manuel Ott, Iryna Mozgova, and Alain Alonso Mendibe. “Unveiling Barriers to Recycling with a Focus on Design: An Ishikawa Diagram-Based Approach with Industrial Application.” In Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing, edited by Holger Kohl, Günther Seliger, Franz Dietrich, and Giampaolo Campana, Vol. 1. Lecture Notes in Mechanical Engineering. Springer Nature Switzerland AG, n.d.","apa":"Rohde, K., Gonzalez, B. F., Budde, F. L., Ott, M., Mozgova, I., & Mendibe, A. A. (n.d.). Unveiling Barriers to Recycling with a Focus on Design: An Ishikawa Diagram-Based Approach with Industrial Application. In H. Kohl, G. Seliger, F. Dietrich, & G. Campana (Eds.), Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing (Vol. 1). Springer Nature Switzerland AG.","ama":"Rohde K, Gonzalez BF, Budde FL, Ott M, Mozgova I, Mendibe AA. Unveiling Barriers to Recycling with a Focus on Design: An Ishikawa Diagram-Based Approach with Industrial Application. In: Kohl H, Seliger G, Dietrich F, Campana G, eds. Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing. Vol 1. Lecture Notes in Mechanical Engineering. Springer Nature Switzerland AG.","short":"K. Rohde, B.F. Gonzalez, F.L. Budde, M. Ott, I. Mozgova, A.A. Mendibe, in: H. Kohl, G. Seliger, F. Dietrich, G. Campana (Eds.), Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing, Springer Nature Switzerland AG, n.d.","bibtex":"@inproceedings{Rohde_Gonzalez_Budde_Ott_Mozgova_Mendibe, series={Lecture Notes in Mechanical Engineering}, title={Unveiling Barriers to Recycling with a Focus on Design: An Ishikawa Diagram-Based Approach with Industrial Application}, volume={1}, booktitle={Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing}, publisher={Springer Nature Switzerland AG}, author={Rohde, Katharina and Gonzalez, Barbara Fernandez and Budde, Finn Lukas and Ott, Manuel and Mozgova, Iryna and Mendibe, Alain Alonso}, editor={Kohl, Holger and Seliger, Günther and Dietrich, Franz and Campana, Giampaolo}, collection={Lecture Notes in Mechanical Engineering} }","mla":"Rohde, Katharina, et al. “Unveiling Barriers to Recycling with a Focus on Design: An Ishikawa Diagram-Based Approach with Industrial Application.” Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing, edited by Holger Kohl et al., vol. 1, Springer Nature Switzerland AG."},"series_title":"Lecture Notes in Mechanical Engineering","department":[{"_id":"741"}],"editor":[{"last_name":"Kohl","full_name":"Kohl, Holger","first_name":"Holger"},{"last_name":"Seliger","full_name":"Seliger, Günther","first_name":"Günther"},{"last_name":"Dietrich","first_name":"Franz","full_name":"Dietrich, Franz"},{"first_name":"Giampaolo","full_name":"Campana, Giampaolo","last_name":"Campana"}],"author":[{"orcid":"0009-0000-5738-7304","last_name":"Rohde","id":"70143","first_name":"Katharina","full_name":"Rohde, Katharina"},{"first_name":"Barbara Fernandez","full_name":"Gonzalez, Barbara Fernandez","last_name":"Gonzalez"},{"id":"74585","last_name":"Budde","full_name":"Budde, Finn Lukas","first_name":"Finn Lukas"},{"id":"44204","last_name":"Ott","full_name":"Ott, Manuel","first_name":"Manuel"},{"id":"95903","last_name":"Mozgova","first_name":"Iryna","full_name":"Mozgova, Iryna"},{"last_name":"Mendibe","first_name":"Alain Alonso","full_name":"Mendibe, Alain Alonso"}],"conference":{"name":"21st Global Conference on Sustainable Manufacturing (GCSM 2025)","start_date":"2025-09-10","location":"Bologna, Italy","end_date":"2025-09-12"},"intvolume":" 1","_id":"64616","file_date_updated":"2026-02-24T13:33:47Z","date_updated":"2026-02-24T14:05:50Z","publisher":"Springer Nature Switzerland AG","date_created":"2026-02-24T13:36:06Z","status":"public","language":[{"iso":"eng"}],"year":"2025","main_file_link":[{"open_access":"1"}],"user_id":"70143","oa":"1","file":[{"success":1,"date_updated":"2026-02-24T13:33:47Z","relation":"main_file","date_created":"2026-02-24T13:33:47Z","content_type":"application/pdf","access_level":"closed","file_id":"64617","file_size":333257,"file_name":"GCSM_2025_Rohde_updated.pdf","creator":"kathiroh"}],"title":"Unveiling Barriers to Recycling with a Focus on Design: An Ishikawa Diagram-Based Approach with Industrial Application","abstract":[{"text":"The circular economy offers decisive advantages over the currently prevalent linear economy in industry. Firstly, the reuse of products, individual parts and material reduces the need for new production or generation and the associated consumption of energy and resources. Secondly, it helps to avoid the generation of waste. Early consideration of circular economic principles in product development processes is essential to specifically promote reuse, reparability and recycling. Efficient recycling of assemblies requires well-defined strategies. However, various challenges hinder the efficiency of technical recycling processes in industrial applications. This paper presents an Ishikawa (fishbone) diagram-based approach to systematically identify and categorize these influences. The method is implemented within an industrial framework, highlighting key obstacles such as material composition, design constraints, use of technology, framework conditions, economic limitations and regulatory challenges. By applying a scenario analysis, this approach examines potential future developments and their impact on recycling-oriented design choices. This helps to identify critical influencing factors and supports the development of resilient and sustainable industrial practices. This framework will serve as the foundation for developing an automated approach to circular design, enabling industries to more effectively integrate sustainability into their processes and adapt to changing environmental demands.","lang":"eng"}],"has_accepted_license":"1","volume":1,"quality_controlled":"1","publication":"Safe and Sustainable Value Creation by Design - Proceedings of the 21st Global Conference on Sustainable Manufacturing","ddc":["620"],"type":"conference"},{"volume":54,"quality_controlled":"1","publication":"Materials Research Proceedings","type":"conference","user_id":"7850","title":"Simulation of the joining process of graded hardened multi-range capable rivets","doi":"10.21741/9781644903599-153","abstract":[{"text":"The versatile self-pierce riveting (V-SPR) is a further development of semi-tubular self-pierce riveting. V-SPR enables adaptation to changing boundary conditions, such as a change in the material thickness combination, without varying the rivet die combination due to increased punch actuation and the use of multi-range capable rivets [1]. The inner punch first sets the rivet. The outer punch then forms the rivet head to the respective sheet thickness. For this, the rivet requires a hard shank and a ductile rivet head, which is achieved by an inductive local hardening process [2]. Until now, the joint formation of rivets with graded hardness profile has been challenging to estimate in the FEM simulation due to the inhomogeneous material conditions in the rivet. In this study, a method capable of reproducing the experimentally determined hardness levels of rivets in detail is shown. This FE model enables the realistic modelling of the mechanical properties of the rivet on the basis of the hardness profile in order to predict the correct deformation processes and stresses during the riveting process. First, the detailed experimental hardness mapping of the locally heat-treated rivets is transferred into the FE model. The FEM material model can predict the local strength of the rivet based on hardness by scaling the flow curves. To estimate the predictive capability of the FEM model, the joint formation of rivets with different graded hardness profiles is compared experimentally and simulative. Based on the validated model, the influence of different rivet hardness profiles on the joint formation is analysed numerically. By adapting the material model, a high level of correlation between the experiment's joint formation and the simulation can be achieved.","lang":"eng"}],"project":[{"name":"TRR 285: TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"},{"name":"TRR 285 - C: TRR 285 - Project Area C","_id":"133"},{"name":"TRR 285 – C02: TRR 285 - Subproject C02","_id":"146"},{"name":"TRR 285 - A: TRR 285 - Project Area A","_id":"131"},{"_id":"135","name":"TRR 285 – A01: TRR 285 - Subproject A01"}],"_id":"60440","date_updated":"2026-02-24T14:12:10Z","publisher":"Materials Research Forum LLC","date_created":"2025-06-27T08:23:00Z","status":"public","language":[{"iso":"eng"}],"year":"2025","publication_identifier":{"issn":["2474-395X"]},"publication_status":"published","citation":{"ama":"Holtkamp PK, Bielak CR, Bobbert M, Meschut G. Simulation of the joining process of graded hardened multi-range capable rivets. In: Materials Research Proceedings. Vol 54. Materials Research Forum LLC; 2025. doi:10.21741/9781644903599-153","apa":"Holtkamp, P. K., Bielak, C. R., Bobbert, M., & Meschut, G. (2025). Simulation of the joining process of graded hardened multi-range capable rivets. Materials Research Proceedings, 54. https://doi.org/10.21741/9781644903599-153","chicago":"Holtkamp, Pia Katharina, Christian Roman Bielak, Mathias Bobbert, and Gerson Meschut. “Simulation of the Joining Process of Graded Hardened Multi-Range Capable Rivets.” In Materials Research Proceedings, Vol. 54. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-153.","ieee":"P. K. Holtkamp, C. R. Bielak, M. Bobbert, and G. Meschut, “Simulation of the joining process of graded hardened multi-range capable rivets,” in Materials Research Proceedings, 2025, vol. 54, doi: 10.21741/9781644903599-153.","mla":"Holtkamp, Pia Katharina, et al. “Simulation of the Joining Process of Graded Hardened Multi-Range Capable Rivets.” Materials Research Proceedings, vol. 54, Materials Research Forum LLC, 2025, doi:10.21741/9781644903599-153.","bibtex":"@inproceedings{Holtkamp_Bielak_Bobbert_Meschut_2025, title={Simulation of the joining process of graded hardened multi-range capable rivets}, volume={54}, DOI={10.21741/9781644903599-153}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Holtkamp, Pia Katharina and Bielak, Christian Roman and Bobbert, Mathias and Meschut, Gerson}, year={2025} }","short":"P.K. Holtkamp, C.R. Bielak, M. Bobbert, G. Meschut, in: Materials Research Proceedings, Materials Research Forum LLC, 2025."},"department":[{"_id":"43"},{"_id":"157"}],"author":[{"id":"44935","last_name":"Holtkamp","first_name":"Pia Katharina","full_name":"Holtkamp, Pia Katharina"},{"full_name":"Bielak, Christian Roman","first_name":"Christian Roman","id":"34782","last_name":"Bielak"},{"first_name":"Mathias","full_name":"Bobbert, Mathias","last_name":"Bobbert","id":"7850"},{"orcid":"0000-0002-2763-1246","full_name":"Meschut, Gerson","first_name":"Gerson","id":"32056","last_name":"Meschut"}],"intvolume":" 54"}]