[{"publication_identifier":{"issn":["1464-4207","2041-3076"]},"quality_controlled":"1","publication_status":"published","citation":{"apa":"Holtkamp, P. K., Kappe, F., Probst, P., Bobbert, M., & Meschut, G. (2025). Investigation of local heat treatment strategies for a multi-range capable rivet and the influence on joint formation and load-bearing capacity. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. https://doi.org/10.1177/14644207241307508","short":"P.K. Holtkamp, F. Kappe, P. Probst, M. Bobbert, G. Meschut, Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications (2025).","bibtex":"@article{Holtkamp_Kappe_Probst_Bobbert_Meschut_2025, title={Investigation of local heat treatment strategies for a multi-range capable rivet and the influence on joint formation and load-bearing capacity}, DOI={10.1177/14644207241307508}, journal={Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications}, publisher={SAGE Publications}, author={Holtkamp, Pia Katharina and Kappe, Fabian and Probst, Paula and Bobbert, Mathias and Meschut, Gerson}, year={2025} }","mla":"Holtkamp, Pia Katharina, et al. “Investigation of Local Heat Treatment Strategies for a Multi-Range Capable Rivet and the Influence on Joint Formation and Load-Bearing Capacity.” Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, SAGE Publications, 2025, doi:10.1177/14644207241307508.","ama":"Holtkamp PK, Kappe F, Probst P, Bobbert M, Meschut G. Investigation of local heat treatment strategies for a multi-range capable rivet and the influence on joint formation and load-bearing capacity. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. Published online 2025. doi:10.1177/14644207241307508","ieee":"P. K. Holtkamp, F. Kappe, P. Probst, M. Bobbert, and G. Meschut, “Investigation of local heat treatment strategies for a multi-range capable rivet and the influence on joint formation and load-bearing capacity,” Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 2025, doi: 10.1177/14644207241307508.","chicago":"Holtkamp, Pia Katharina, Fabian Kappe, Paula Probst, Mathias Bobbert, and Gerson Meschut. “Investigation of Local Heat Treatment Strategies for a Multi-Range Capable Rivet and the Influence on Joint Formation and Load-Bearing Capacity.” Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 2025. https://doi.org/10.1177/14644207241307508."},"year":"2025","date_created":"2025-02-03T09:26:32Z","author":[{"id":"44935","full_name":"Holtkamp, Pia Katharina","last_name":"Holtkamp","first_name":"Pia Katharina"},{"id":"66459","full_name":"Kappe, Fabian","last_name":"Kappe","first_name":"Fabian"},{"full_name":"Probst, Paula","last_name":"Probst","first_name":"Paula"},{"first_name":"Mathias","full_name":"Bobbert, Mathias","id":"7850","last_name":"Bobbert"},{"last_name":"Meschut","orcid":"0000-0002-2763-1246","full_name":"Meschut, Gerson","id":"32056","first_name":"Gerson"}],"date_updated":"2025-02-03T09:36:32Z","publisher":"SAGE Publications","doi":"10.1177/14644207241307508","title":"Investigation of local heat treatment strategies for a multi-range capable rivet and the influence on joint formation and load-bearing capacity","publication":"Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications","type":"journal_article","status":"public","abstract":[{"text":" To reduce CO2 emissions, the industry, particularly in the mobility sector, focuses on lightweight vehicles with multi-material structures. As thermal joining processes are reaching their limits, mechanical techniques such as self-piercing riveting are being used. One innovative solution is the versatile self-piercing riveting process (V-SPR), which combines different material combinations with a multi-range rivet. 1 The joining process is divided into the piercing process and the forming process of the rivet head to the respective sheet thickness. The rivet shaft requires sufficient strength to punch through the punch-sided sheet, and sufficient ductility of the rivet head is required to form onto the punch-sided sheet. To achieve a combination of these requirements, local inductive heat treatment strategies are used for the rivet. To ensure reproducible rivet hardening, a specialised device has been developed for precise rivet positioning in the induction coil and the subsequent quenching process. The heat treatment differs in terms of hardening times and temperatures. In addition, the heat treatment is combined with a subsequent tempering process. The study aims to determine the resulting hardness distributions and microstructures of the rivet and to investigate the influence of different heat treatment strategies on joint formation and load-bearing capacities. The results show that a graded hardening profile has a positive effect on the spreading behaviour of the rivet foot and the forming behaviour of the rivet head. Furthermore, the load-bearing behaviour of the joints is increased. ","lang":"eng"}],"department":[{"_id":"43"},{"_id":"157"}],"user_id":"44935","_id":"58495","project":[{"name":"TRR 285 - C: TRR 285 - Project Area C","_id":"133"},{"grant_number":"418701707","_id":"130","name":"TRR 285: TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"language":[{"iso":"eng"}]},{"type":"conference","status":"public","user_id":"98812","department":[{"_id":"43"},{"_id":"157"}],"project":[{"_id":"130","name":"TRR 285: TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","grant_number":"418701707"},{"_id":"133","name":"TRR 285 - C: TRR 285 - Project Area C"},{"_id":"148","name":"TRR 285 – C04: TRR 285 - Subproject C04"}],"_id":"59483","publication_status":"published","publication_identifier":{"issn":["2474-395X"]},"citation":{"bibtex":"@inproceedings{Reschke_Brosius_2025, title={Transient dynamic analysis: Performance evaluation of tactile measurement}, volume={52}, DOI={10.21741/9781644903551-36}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Reschke, Gregor and Brosius, Alexander}, year={2025}, pages={293–300} }","mla":"Reschke, Gregor, and Alexander Brosius. “Transient Dynamic Analysis: Performance Evaluation of Tactile Measurement.” Materials Research Proceedings, vol. 52, Materials Research Forum LLC, 2025, pp. 293–300, doi:10.21741/9781644903551-36.","short":"G. Reschke, A. Brosius, in: Materials Research Proceedings, Materials Research Forum LLC, 2025, pp. 293–300.","apa":"Reschke, G., & Brosius, A. (2025). Transient dynamic analysis: Performance evaluation of tactile measurement. Materials Research Proceedings, 52, 293–300. https://doi.org/10.21741/9781644903551-36","ama":"Reschke G, Brosius A. Transient dynamic analysis: Performance evaluation of tactile measurement. In: Materials Research Proceedings. Vol 52. Materials Research Forum LLC; 2025:293-300. doi:10.21741/9781644903551-36","chicago":"Reschke, Gregor, and Alexander Brosius. “Transient Dynamic Analysis: Performance Evaluation of Tactile Measurement.” In Materials Research Proceedings, 52:293–300. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903551-36.","ieee":"G. Reschke and A. Brosius, “Transient dynamic analysis: Performance evaluation of tactile measurement,” in Materials Research Proceedings, Paderborn, 2025, vol. 52, pp. 293–300, doi: 10.21741/9781644903551-36."},"intvolume":" 52","page":"293-300","author":[{"full_name":"Reschke, Gregor","last_name":"Reschke","first_name":"Gregor"},{"last_name":"Brosius","full_name":"Brosius, Alexander","first_name":"Alexander"}],"volume":52,"date_updated":"2025-04-10T11:33:28Z","doi":"10.21741/9781644903551-36","conference":{"location":"Paderborn","end_date":"2025-04-03","start_date":"2025-04-01","name":"21st SheMet Conference"},"publication":"Materials Research Proceedings","abstract":[{"text":"Abstract. The assessment of mechanically joined connections, such as clinched connections, is usually conducted destructively. Applicable non-destructive testing methods like computed tomography are time-consuming and costly, or, like electrical resistance measurement, provide only a limited amount of information. A fast, non-destructive evaluation of the joints condition shall be made possible by using transient dynamic analysis (TDA). It is based on the introduction of sound waves and the evaluation of the response behavior after passing through the structure. This study focuses the application of TDA to clinched shear connections to evaluate the performance of the tactile measuring setup. Twenty-one series were investigated, covering variations in joining task, manufacturing and defect. The evaluation was carried out using machine learning to determine for which series characteristic signals may be detected. It was shown that a classification of the investigated specimens is possible, whereby the classification accuracy depends on the examined variation. Furthermore, the accuracy was evaluated as a function of frequency and results were concluded to identify the limits of the used measuring setup.","lang":"eng"}],"language":[{"iso":"eng"}],"keyword":["Joining","Machine Learning","Transient Dynamic Analysis"],"quality_controlled":"1","year":"2025","date_created":"2025-04-10T11:27:20Z","publisher":"Materials Research Forum LLC","title":"Transient dynamic analysis: Performance evaluation of tactile measurement"},{"publication_identifier":{"issn":["2474-395X"]},"publication_status":"published","intvolume":" 54","citation":{"ama":"Ludwig J-P, Tsi-Nda Lontsi S, Neumann J, et al. Data driven prognosis of clinch joints in multi-material design. In: Materials Research Proceedings. Vol 54. Materials Research Forum LLC; 2025. doi:10.21741/9781644903599-157","chicago":"Ludwig, Jean-Patrick, Seraphin Tsi-Nda Lontsi, Jonas Neumann, Lukas Kappis, Christian Scharr, Wilko Flügge, Marion Merklein, and Gerson Meschut. “Data Driven Prognosis of Clinch Joints in Multi-Material Design.” In Materials Research Proceedings, Vol. 54. Paestum: Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903599-157.","ieee":"J.-P. Ludwig et al., “Data driven prognosis of clinch joints in multi-material design,” in Materials Research Proceedings, 2025, vol. 54, doi: 10.21741/9781644903599-157.","apa":"Ludwig, J.-P., Tsi-Nda Lontsi, S., Neumann, J., Kappis, L., Scharr, C., Flügge, W., Merklein, M., & Meschut, G. (2025). Data driven prognosis of clinch joints in multi-material design. Materials Research Proceedings, 54. https://doi.org/10.21741/9781644903599-157","bibtex":"@inproceedings{Ludwig_Tsi-Nda Lontsi_Neumann_Kappis_Scharr_Flügge_Merklein_Meschut_2025, place={Paestum}, title={Data driven prognosis of clinch joints in multi-material design}, volume={54}, DOI={10.21741/9781644903599-157}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Ludwig, Jean-Patrick and Tsi-Nda Lontsi, Seraphin and Neumann, Jonas and Kappis, Lukas and Scharr, Christian and Flügge, Wilko and Merklein, Marion and Meschut, Gerson}, year={2025} }","short":"J.-P. Ludwig, S. Tsi-Nda Lontsi, J. Neumann, L. Kappis, C. Scharr, W. Flügge, M. Merklein, G. Meschut, in: Materials Research Proceedings, Materials Research Forum LLC, Paestum, 2025.","mla":"Ludwig, Jean-Patrick, et al. “Data Driven Prognosis of Clinch Joints in Multi-Material Design.” Materials Research Proceedings, vol. 54, Materials Research Forum LLC, 2025, doi:10.21741/9781644903599-157."},"year":"2025","place":"Paestum","volume":54,"date_created":"2025-05-13T06:51:37Z","author":[{"first_name":"Jean-Patrick","full_name":"Ludwig, Jean-Patrick","id":"76631","last_name":"Ludwig"},{"first_name":"Seraphin ","full_name":"Tsi-Nda Lontsi, Seraphin ","last_name":"Tsi-Nda Lontsi"},{"full_name":"Neumann, Jonas","last_name":"Neumann","first_name":"Jonas"},{"first_name":"Lukas","full_name":"Kappis, Lukas","last_name":"Kappis"},{"first_name":"Christian ","full_name":"Scharr, Christian ","last_name":"Scharr"},{"last_name":"Flügge","full_name":"Flügge, Wilko","first_name":"Wilko"},{"last_name":"Merklein","full_name":"Merklein, Marion","first_name":"Marion"},{"full_name":"Meschut, Gerson","id":"32056","last_name":"Meschut","orcid":"0000-0002-2763-1246","first_name":"Gerson"}],"date_updated":"2025-05-13T07:20:19Z","publisher":"Materials Research Forum LLC","doi":"10.21741/9781644903599-157","title":"Data driven prognosis of clinch joints in multi-material design","publication":"Materials Research Proceedings","type":"conference","status":"public","abstract":[{"lang":"eng","text":"Abstract. Clinching is a conventional mechanical joining process used in Multi-Material Design in the automotive sector. To receive the desired geometrical characteristics in clinch joints, correct process design is required. To reduce the cost of finding fitting process parameters, numerical simulation of the joining process can be used to predict the geometrical characteristics, such as interlock, instead of an experimental approach. These numerical simulation models consume computational resources and time. In this paper machine learning is used to find correlations between features of the joining process and geometrical characteristics in the joint. This serves the purpose of predicting the joint’s target values more resource-efficiently. Modelling with machine learning requires a structured dataset with sufficient parameter variation. To create this data base the following procedure was used. For joining partners, a HC340LA steel alloy with 2 mm material thickness was used punch-sided and an EN AW 5182 aluminum alloy with 1.5 mm thickness was used die-sided. For this combination a suitable tool combination and punch distance was experimentally identified. A finite element model was created to reproduce the joining process. For the modelling of the material of both joining partners flow curves determined by Vallaster et al. were used [1]. The punch and die were recreated digitally by opto-electronic measurements and transformed into a mesh suitable for numerical simulation. The model was validated by comparing process values like the maximum force applied by the punch and geometrical values in the joints cross section. Additionally, a process window for suitable punch distances was experimentally determined. Afterwards a variation of 70 different process designs was conducted with variants inside and outside the process window. The results were used for training, testing and validating various machine learning models. All models competed against each other to find the must suited model to predict every geometric value. To ensure good model performances and prevent the model from overfitting, a tenfold cross validation was used for validating the models. Analysis of the results gives the following key findings: i) Good predictability is reached for the interlock and sheet thickness of the joint. ii) Prediction neck thickness showed low error values, but also low correlation. iii)The prediction of those key values for evaluating clinch joint characteristics by machine learning models positively impacts needed resources in comparison to numerical models."}],"department":[{"_id":"157"}],"user_id":"76631","_id":"59876","language":[{"iso":"eng"}]},{"volume":52,"date_created":"2025-06-02T20:05:01Z","author":[{"last_name":"Köhler","full_name":"Köhler, D.","first_name":"D."},{"first_name":"J","full_name":"Troschitz, J","last_name":"Troschitz"},{"first_name":"R.","full_name":"Kupfer, R.","last_name":"Kupfer"},{"first_name":"M.","full_name":"Gude, M.","last_name":"Gude"}],"date_updated":"2025-06-02T20:18:20Z","publisher":"Materials Research Forum LLC","doi":"10.21741/9781644903551-15","title":"In situ computed tomography – Analysis of settling effects during single-lap shear tests with clinch points","publication_identifier":{"issn":["2474-395X"]},"publication_status":"published","intvolume":" 52","citation":{"ama":"Köhler D, Troschitz J, Kupfer R, Gude M. In situ computed tomography – Analysis of settling effects during single-lap shear tests with clinch points. In: Materials Research Proceedings. Vol 52. Materials Research Forum LLC; 2025. doi:10.21741/9781644903551-15","chicago":"Köhler, D., J Troschitz, R. Kupfer, and M. Gude. “In Situ Computed Tomography – Analysis of Settling Effects during Single-Lap Shear Tests with Clinch Points.” In Materials Research Proceedings, Vol. 52. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903551-15.","ieee":"D. Köhler, J. Troschitz, R. Kupfer, and M. Gude, “In situ computed tomography – Analysis of settling effects during single-lap shear tests with clinch points,” in Materials Research Proceedings, 2025, vol. 52, doi: 10.21741/9781644903551-15.","bibtex":"@inproceedings{Köhler_Troschitz_Kupfer_Gude_2025, title={In situ computed tomography – Analysis of settling effects during single-lap shear tests with clinch points}, volume={52}, DOI={10.21741/9781644903551-15}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Köhler, D. and Troschitz, J and Kupfer, R. and Gude, M.}, year={2025} }","mla":"Köhler, D., et al. “In Situ Computed Tomography – Analysis of Settling Effects during Single-Lap Shear Tests with Clinch Points.” Materials Research Proceedings, vol. 52, Materials Research Forum LLC, 2025, doi:10.21741/9781644903551-15.","short":"D. Köhler, J. Troschitz, R. Kupfer, M. Gude, in: Materials Research Proceedings, Materials Research Forum LLC, 2025.","apa":"Köhler, D., Troschitz, J., Kupfer, R., & Gude, M. (2025). In situ computed tomography – Analysis of settling effects during single-lap shear tests with clinch points. Materials Research Proceedings, 52. https://doi.org/10.21741/9781644903551-15"},"year":"2025","department":[{"_id":"157"},{"_id":"43"}],"user_id":"83408","_id":"60108","project":[{"_id":"130","name":"TRR 285: TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","grant_number":"418701707"},{"_id":"133","name":"TRR 285 - C: TRR 285 - Project Area C"},{"name":"TRR 285 – C04: TRR 285 - Subproject C04","_id":"148"}],"language":[{"iso":"eng"}],"publication":"Materials Research Proceedings","type":"conference","status":"public","abstract":[{"text":"Abstract. In the field of mechanical engineering, destructive tests such as shear tests of mechanical joints are usually followed by imaging methods such as microsectioning or computed tomography (CT). They can help to interpret the measured load-displacement curves, analyze the failure behavior and validate numerical models. However, due to unloading, springback effects and crack closures can occur, which influence the state of the investigated specimen. In this context, in situ CT is able to explore the testing process with a specimen under load avoiding these influences. For in situ CT investigations, the displacement increase is interrupted at certain stop points. While the displacement is kept constant, the CT scan is performed. However, it was observed that the reaction force reduces during CT scanning, e. g. due to settling effects in the test setup. Although in situ CT is established now in research, little attention is paid to the uncertainties which arise from the discontinuous testing procedure. This study systematically explores the impact of these interruptions on the load-displacement behavior and the geometry of clinch points during tensile shear testing. To quantify the influence of the interruptions, loads at defined displacement levels and the final geometry are evaluated statistically. We found, that the load-displacement behavior of both test groups is similar. Despite some small but significant statistical deviations of the loads and the final geometry, our results show that, discontinuous testing has a high level of significance for the phenomena overserved in shear tests with clinch points.","lang":"eng"}]},{"citation":{"bibtex":"@inproceedings{Gilich_Meschut_Gröger_Wiebicke_Koch_Gude_2025, title={Experimentelle und numerische Analyse des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess}, booktitle={25. Kolloquium: Gemeinsame Forschung in der Klebtechnik}, author={Gilich, Julian and Meschut, Gerson and Gröger, Benjamin and Wiebicke, Felix and Koch, Ilja and Gude, Maik}, year={2025} }","mla":"Gilich, Julian, et al. “Experimentelle und numerische Analyse des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess.” 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik, 2025.","short":"J. Gilich, G. Meschut, B. Gröger, F. Wiebicke, I. Koch, M. Gude, in: 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik, 2025.","apa":"Gilich, J., Meschut, G., Gröger, B., Wiebicke, F., Koch, I., & Gude, M. (2025). Experimentelle und numerische Analyse des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess. 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik. 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik, Köln.","ieee":"J. Gilich, G. Meschut, B. Gröger, F. Wiebicke, I. Koch, and M. Gude, “Experimentelle und numerische Analyse des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess,” presented at the 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik, Köln, 2025.","chicago":"Gilich, Julian, Gerson Meschut, Benjamin Gröger, Felix Wiebicke, Ilja Koch, and Maik Gude. “Experimentelle und numerische Analyse des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess.” In 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik, 2025.","ama":"Gilich J, Meschut G, Gröger B, Wiebicke F, Koch I, Gude M. Experimentelle und numerische Analyse des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess. In: 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik. ; 2025."},"year":"2025","conference":{"start_date":"2025-02-18","name":"25. Kolloquium: Gemeinsame Forschung in der Klebtechnik","location":"Köln","end_date":"2025-02-19"},"title":"Experimentelle und numerische Analyse des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess","author":[{"last_name":"Gilich","full_name":"Gilich, Julian","id":"44391","first_name":"Julian"},{"id":"32056","full_name":"Meschut, Gerson","last_name":"Meschut","orcid":"0000-0002-2763-1246","first_name":"Gerson"},{"first_name":"Benjamin","last_name":"Gröger","full_name":"Gröger, Benjamin"},{"first_name":"Felix","full_name":"Wiebicke, Felix","last_name":"Wiebicke"},{"first_name":"Ilja","last_name":"Koch","full_name":"Koch, Ilja"},{"first_name":"Maik","full_name":"Gude, Maik","last_name":"Gude"}],"date_created":"2026-02-03T07:26:32Z","date_updated":"2026-02-03T07:26:45Z","status":"public","type":"conference_abstract","publication":"25. Kolloquium: Gemeinsame Forschung in der Klebtechnik","language":[{"iso":"ger"}],"user_id":"44391","department":[{"_id":"157"}],"_id":"63839"},{"type":"report","publication_identifier":{"isbn":["978-3-96780-210-8"]},"status":"public","citation":{"ieee":"M. Heitmann and G. Meschut, Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage . 2025.","chicago":"Heitmann, Marcel, and Gerson Meschut. Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage , 2025.","ama":"Heitmann M, Meschut G. Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage .; 2025.","apa":"Heitmann, M., & Meschut, G. (2025). Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage .","short":"M. Heitmann, G. Meschut, Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage , 2025.","mla":"Heitmann, Marcel, and Gerson Meschut. Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage . 2025.","bibtex":"@book{Heitmann_Meschut_2025, title={Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage }, author={Heitmann, Marcel and Meschut, Gerson}, year={2025} }"},"year":"2025","department":[{"_id":"157"}],"author":[{"first_name":"Marcel","full_name":"Heitmann, Marcel","id":"38072","orcid":"0009-0002-4181-8928","last_name":"Heitmann"},{"full_name":"Meschut, Gerson","id":"32056","last_name":"Meschut","orcid":"0000-0002-2763-1246","first_name":"Gerson"}],"user_id":"38072","date_created":"2026-02-16T12:22:03Z","_id":"64173","date_updated":"2026-02-16T12:22:11Z","language":[{"iso":"ger"}],"title":"Verfahrenserweiterung des Widerstandselementschweißens für stahlintensive Dreiblech-Hybrid Mischverbindungen mit zwei höchstfesten Stahlgüten in Mittel- und Basislage "},{"date_updated":"2026-02-17T13:21:05Z","publisher":"Forschungsvereinigung Automobiltechnik e.V.","volume":391,"author":[{"first_name":"Gerson","id":"32056","full_name":"Meschut, Gerson","last_name":"Meschut","orcid":"0000-0002-2763-1246"},{"last_name":"Gilich","full_name":"Gilich, Julian","id":"44391","first_name":"Julian"},{"last_name":"Gude","full_name":"Gude, Maik","first_name":"Maik"},{"full_name":"Koch, Ilja","last_name":"Koch","first_name":"Ilja"},{"last_name":"Gröger","full_name":"Gröger, Benjamin","first_name":"Benjamin"},{"last_name":"Wiebicke","full_name":"Wiebicke, Felix","first_name":"Felix"}],"date_created":"2026-02-17T13:18:21Z","title":"Experimentelle und numerische Untersuchung des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess","year":"2025","place":"Berlin","intvolume":" 391","citation":{"ieee":"G. Meschut, J. Gilich, M. Gude, I. Koch, B. Gröger, and F. Wiebicke, Experimentelle und numerische Untersuchung des Fließverhaltens von hochviskosen Wärmeleitstoffen im Fertigungsprozess, vol. 391. Berlin: Forschungsvereinigung Automobiltechnik e.V., 2025.","chicago":"Meschut, Gerson, Julian Gilich, Maik Gude, Ilja Koch, Benjamin Gröger, and Felix Wiebicke. Experimentelle Und Numerische Untersuchung Des Fließverhaltens von Hochviskosen Wärmeleitstoffen Im Fertigungsprozess. Vol. 391. FAT-Schriftenreihe. Berlin: Forschungsvereinigung Automobiltechnik e.V., 2025.","ama":"Meschut G, Gilich J, Gude M, Koch I, Gröger B, Wiebicke F. Experimentelle Und Numerische Untersuchung Des Fließverhaltens von Hochviskosen Wärmeleitstoffen Im Fertigungsprozess. Vol 391. Forschungsvereinigung Automobiltechnik e.V.; 2025.","short":"G. Meschut, J. Gilich, M. Gude, I. Koch, B. Gröger, F. 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Kolloquium: Gemeinsame Forschung in der Klebtechnik","status":"public","date_updated":"2026-02-23T13:30:24Z","author":[{"first_name":"Fynn Lucas","last_name":"Neubert","orcid":"0009-0006-5243-4531","id":"74308","full_name":"Neubert, Fynn Lucas"},{"first_name":"Dominik","last_name":"Teutenberg","id":"537","full_name":"Teutenberg, Dominik"},{"first_name":"Gerson","orcid":"0000-0002-2763-1246","last_name":"Meschut","id":"32056","full_name":"Meschut, Gerson"},{"full_name":"Rodschei, Maxim","last_name":"Rodschei","first_name":"Maxim"},{"first_name":"Julia","full_name":"Mergheim, Julia","last_name":"Mergheim"}],"date_created":"2026-02-23T13:20:30Z","title":"Experimentelle und numerische Untersuchungen zur Alterung von Klebverbindungen unter zyklischer und hygrothermischer Beanspruchung im Stahl- und Anlagenbau","conference":{"end_date":"2025-02-19","location":"Köln","name":"25. Kolloquium: Gemeinsame Forschung in der Klebtechnik","start_date":"2025-02-18"},"year":"2025","citation":{"mla":"Neubert, Fynn Lucas, et al. “Experimentelle Und Numerische Untersuchungen Zur Alterung von Klebverbindungen Unter Zyklischer Und Hygrothermischer Beanspruchung Im Stahl- Und Anlagenbau.” 25. Kolloquium: Gemeinsame Forschung in Der Klebtechnik, 2025.","short":"F.L. Neubert, D. Teutenberg, G. Meschut, M. Rodschei, J. Mergheim, in: 25. Kolloquium: Gemeinsame Forschung in Der Klebtechnik, 2025.","bibtex":"@inproceedings{Neubert_Teutenberg_Meschut_Rodschei_Mergheim_2025, title={Experimentelle und numerische Untersuchungen zur Alterung von Klebverbindungen unter zyklischer und hygrothermischer Beanspruchung im Stahl- und Anlagenbau}, booktitle={25. Kolloquium: Gemeinsame Forschung in der Klebtechnik}, author={Neubert, Fynn Lucas and Teutenberg, Dominik and Meschut, Gerson and Rodschei, Maxim and Mergheim, Julia}, year={2025} }","apa":"Neubert, F. L., Teutenberg, D., Meschut, G., Rodschei, M., & Mergheim, J. (2025). Experimentelle und numerische Untersuchungen zur Alterung von Klebverbindungen unter zyklischer und hygrothermischer Beanspruchung im Stahl- und Anlagenbau. 25. Kolloquium: Gemeinsame Forschung in Der Klebtechnik. 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik, Köln.","ieee":"F. L. Neubert, D. Teutenberg, G. Meschut, M. Rodschei, and J. Mergheim, “Experimentelle und numerische Untersuchungen zur Alterung von Klebverbindungen unter zyklischer und hygrothermischer Beanspruchung im Stahl- und Anlagenbau,” presented at the 25. Kolloquium: Gemeinsame Forschung in der Klebtechnik, Köln, 2025.","chicago":"Neubert, Fynn Lucas, Dominik Teutenberg, Gerson Meschut, Maxim Rodschei, and Julia Mergheim. “Experimentelle Und Numerische Untersuchungen Zur Alterung von Klebverbindungen Unter Zyklischer Und Hygrothermischer Beanspruchung Im Stahl- Und Anlagenbau.” In 25. Kolloquium: Gemeinsame Forschung in Der Klebtechnik, 2025.","ama":"Neubert FL, Teutenberg D, Meschut G, Rodschei M, Mergheim J. Experimentelle und numerische Untersuchungen zur Alterung von Klebverbindungen unter zyklischer und hygrothermischer Beanspruchung im Stahl- und Anlagenbau. In: 25. Kolloquium: Gemeinsame Forschung in Der Klebtechnik. ; 2025."}},{"date_created":"2025-05-12T15:21:06Z","title":"Mechanical joinability of microstructurally graded structural components manufactured from hypoeutectic aluminium casting alloys","quality_controlled":"1","year":"2025","keyword":["Joining","Casting","Self-pierce riveting","Aluminium casting alloy"],"language":[{"iso":"eng"}],"publication":"44th Conference of the International Deep Drawing Research Group (IDDRG 2025)","abstract":[{"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.","lang":"eng"}],"oa":"1","date_updated":"2026-02-24T13:41:58Z","author":[{"first_name":"Moritz","id":"32340","full_name":"Neuser, Moritz","last_name":"Neuser"},{"first_name":"Malte Christian","last_name":"Schlichter","id":"61977","full_name":"Schlichter, Malte Christian"},{"id":"48411","full_name":"Hoyer, Kay-Peter","last_name":"Hoyer","first_name":"Kay-Peter"},{"full_name":"Bobbert, Mathias","id":"7850","last_name":"Bobbert","first_name":"Mathias"},{"first_name":"Gerson","last_name":"Meschut","orcid":"0000-0002-2763-1246","id":"32056","full_name":"Meschut, Gerson"},{"id":"43720","full_name":"Schaper, Mirko","last_name":"Schaper","first_name":"Mirko"}],"volume":408,"main_file_link":[{"open_access":"1","url":"\thttps://doi.org/10.1051/matecconf/202540801081"}],"doi":"10.1051/matecconf/202540801081","conference":{"name":"44th Conference of the International Deep Drawing Research Group (IDDRG 2025)","start_date":"2025-06-02","end_date":"2025-06-05","location":"Lissabon (Portugal)"},"publication_status":"published","citation":{"mla":"Neuser, Moritz, et al. “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, 01081, 2025, doi:10.1051/matecconf/202540801081.","bibtex":"@article{Neuser_Schlichter_Hoyer_Bobbert_Meschut_Schaper_2025, title={Mechanical joinability of microstructurally graded structural components manufactured from hypoeutectic aluminium casting alloys}, volume={408}, DOI={10.1051/matecconf/202540801081}, number={01081}, journal={44th Conference of the International Deep Drawing Research Group (IDDRG 2025)}, author={Neuser, Moritz and Schlichter, Malte Christian and Hoyer, Kay-Peter and Bobbert, Mathias and Meschut, Gerson and Schaper, Mirko}, year={2025} }","short":"M. Neuser, M.C. Schlichter, K.-P. Hoyer, M. Bobbert, G. Meschut, M. Schaper, 44th Conference of the International Deep Drawing Research Group (IDDRG 2025) 408 (2025).","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","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","ieee":"M. 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.","chicago":"Neuser, Moritz, Malte Christian Schlichter, Kay-Peter Hoyer, Mathias Bobbert, Gerson Meschut, and Mirko 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) 408 (2025). https://doi.org/10.1051/matecconf/202540801081."},"intvolume":" 408","project":[{"name":"TRR 285 - A: TRR 285 - Project Area A","_id":"131"},{"name":"TRR 285 – A02: TRR 285 - Subproject A02","_id":"136"},{"_id":"135","name":"TRR 285 – A01: TRR 285 - Subproject A01"},{"_id":"130","name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"_id":"59872","user_id":"7850","department":[{"_id":"43"},{"_id":"158"},{"_id":"157"},{"_id":"9"},{"_id":"321"}],"article_number":"01081","article_type":"original","type":"journal_article","status":"public"},{"place":"Paestum","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. Paestum: 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","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.","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.","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} }"},"intvolume":" 54","publication_status":"published","publication_identifier":{"issn":["2474-395X"]},"doi":"10.21741/9781644903599-148","date_updated":"2026-02-24T13:42:57Z","author":[{"last_name":"Schlichter","id":"61977","full_name":"Schlichter, Malte Christian","first_name":"Malte Christian"},{"full_name":"Harabati, Özcan","last_name":"Harabati","first_name":"Özcan"},{"first_name":"Jean-Patrick","id":"76631","full_name":"Ludwig, Jean-Patrick","last_name":"Ludwig"},{"first_name":"Max","last_name":"Böhnke","full_name":"Böhnke, Max","id":"45779"},{"full_name":"Bielak, Christian Roman","id":"34782","last_name":"Bielak","first_name":"Christian Roman"},{"first_name":"Mathias","full_name":"Bobbert, Mathias","id":"7850","last_name":"Bobbert"},{"first_name":"Gerson","full_name":"Meschut, Gerson","id":"32056","orcid":"0000-0002-2763-1246","last_name":"Meschut"}],"volume":54,"status":"public","type":"conference","project":[{"_id":"131","name":"TRR 285 - A: TRR 285 - Project Area A"},{"_id":"135","name":"TRR 285 – A01: TRR 285 - Subproject A01"},{"name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"_id":"59878","user_id":"7850","department":[{"_id":"157"}],"year":"2025","quality_controlled":"1","title":"Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints","publisher":"Materials Research Forum LLC","date_created":"2025-05-13T06:54:20Z","abstract":[{"lang":"eng","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."}],"publication":"Materials Research Proceedings","language":[{"iso":"eng"}]},{"language":[{"iso":"eng"}],"department":[{"_id":"157"}],"user_id":"7850","_id":"60977","project":[{"name":"TRR 285 - Subproject A01","_id":"135"},{"name":"TRR 285 - Project Area A","_id":"131"},{"_id":"130","name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"status":"public","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."}],"publication":"Materials Research Proceedings","type":"conference","doi":"10.21741/9781644903599-148","title":"Experimental and numerical investigation of the influence of rolling-induced sheet metal deformation on SPR joints","volume":54,"author":[{"first_name":"Malte Christian","last_name":"Schlichter","full_name":"Schlichter, Malte Christian","id":"61977"},{"first_name":"Özcan","last_name":"Harabati","id":"54972","full_name":"Harabati, Özcan"},{"first_name":"Jean-Patrick","last_name":"Ludwig","id":"76631","full_name":"Ludwig, Jean-Patrick"},{"last_name":"Böhnke","id":"45779","full_name":"Böhnke, Max","first_name":"Max"},{"first_name":"Christian Roman","last_name":"Bielak","full_name":"Bielak, Christian Roman","id":"34782"},{"full_name":"Bobbert, Mathias","id":"7850","last_name":"Bobbert","first_name":"Mathias"},{"id":"32056","full_name":"Meschut, Gerson","last_name":"Meschut","orcid":"0000-0002-2763-1246","first_name":"Gerson"}],"date_created":"2025-08-22T10:20:15Z","publisher":"Materials Research Forum LLC","date_updated":"2026-02-24T14:02:01Z","intvolume":" 54","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. 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.","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."},"year":"2025","publication_identifier":{"issn":["2474-395X"]},"quality_controlled":"1","publication_status":"published"},{"language":[{"iso":"eng"}],"department":[{"_id":"157"}],"user_id":"7850","_id":"60978","project":[{"name":"TRR 285 - Project Area A","_id":"131"},{"_id":"135","name":"TRR 285 - Subproject A01"},{"_id":"130","name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten"}],"status":"public","abstract":[{"lang":"eng","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."}],"publication":"Materials Research Proceedings","type":"conference","doi":"10.21741/9781644903551-16","title":"Investigation on manufacturing-induced pre-deformation on the fatigue behaviour of clinched joints","volume":52,"author":[{"first_name":"Malte Christian","id":"61977","full_name":"Schlichter, Malte Christian","last_name":"Schlichter"},{"full_name":"Harabati, Özcan","id":"54972","last_name":"Harabati","first_name":"Özcan"},{"first_name":"Max","full_name":"Böhnke, Max","id":"45779","last_name":"Böhnke"},{"first_name":"Christian Roman","id":"34782","full_name":"Bielak, Christian Roman","last_name":"Bielak"},{"first_name":"Mathias","last_name":"Bobbert","id":"7850","full_name":"Bobbert, Mathias"},{"first_name":"Gerson","full_name":"Meschut, Gerson","last_name":"Meschut"}],"date_created":"2025-08-22T10:45:56Z","date_updated":"2026-02-24T14:02:35Z","publisher":"Materials Research Forum LLC","intvolume":" 52","citation":{"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.","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","short":"M.C. Schlichter, Ö. Harabati, M. Böhnke, C.R. Bielak, M. Bobbert, G. Meschut, in: Materials Research Proceedings, Materials Research Forum LLC, 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.","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} }","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"},"year":"2025","publication_identifier":{"issn":["2474-395X"]},"quality_controlled":"1","publication_status":"published"},{"abstract":[{"lang":"eng","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."}],"status":"public","type":"conference","publication":"Materials Research Proceedings","language":[{"iso":"eng"}],"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"}],"_id":"59587","user_id":"7850","department":[{"_id":"157"}],"year":"2025","citation":{"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.","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.","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","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.","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."},"intvolume":" 52","publication_status":"published","quality_controlled":"1","publication_identifier":{"issn":["2474-395X"]},"title":"High-cycle fatigue testing and parameter identification for numerical simulation of aluminum alloy EN AW-6014","doi":"10.21741/9781644903551-23","publisher":"Materials Research Forum LLC","date_updated":"2026-02-24T13:43:56Z","author":[{"last_name":"Chen","full_name":"Chen, Chin","first_name":"Chin"},{"first_name":"Malte Christian","last_name":"Schlichter","id":"61977","full_name":"Schlichter, Malte Christian"},{"last_name":"Harzheim","full_name":"Harzheim, Sven","first_name":"Sven"},{"full_name":"Hofmann, Martin","last_name":"Hofmann","first_name":"Martin"},{"last_name":"Bobbert","id":"7850","full_name":"Bobbert, Mathias","first_name":"Mathias"},{"orcid":"0000-0002-2763-1246","last_name":"Meschut","full_name":"Meschut, Gerson","id":"32056","first_name":"Gerson"},{"full_name":"Wallmersperger, Thomas","last_name":"Wallmersperger","first_name":"Thomas"}],"date_created":"2025-04-15T11:14:53Z","volume":52},{"project":[{"name":"TRR 285: TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"},{"_id":"133","name":"TRR 285 - C: TRR 285 - Project Area C"},{"name":"TRR 285 – C02: TRR 285 - Subproject C02","_id":"146"},{"_id":"131","name":"TRR 285 - A: TRR 285 - Project Area A"},{"_id":"135","name":"TRR 285 – A01: TRR 285 - Subproject A01"}],"_id":"60440","user_id":"7850","department":[{"_id":"43"},{"_id":"157"}],"language":[{"iso":"eng"}],"type":"conference","publication":"Materials Research Proceedings","abstract":[{"lang":"eng","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."}],"status":"public","publisher":"Materials Research Forum LLC","date_updated":"2026-02-24T14:12:10Z","author":[{"id":"44935","full_name":"Holtkamp, Pia Katharina","last_name":"Holtkamp","first_name":"Pia Katharina"},{"first_name":"Christian Roman","last_name":"Bielak","full_name":"Bielak, Christian Roman","id":"34782"},{"last_name":"Bobbert","full_name":"Bobbert, Mathias","id":"7850","first_name":"Mathias"},{"id":"32056","full_name":"Meschut, Gerson","orcid":"0000-0002-2763-1246","last_name":"Meschut","first_name":"Gerson"}],"date_created":"2025-06-27T08:23:00Z","volume":54,"title":"Simulation of the joining process of graded hardened multi-range capable rivets","doi":"10.21741/9781644903599-153","publication_status":"published","publication_identifier":{"issn":["2474-395X"]},"quality_controlled":"1","year":"2025","citation":{"short":"P.K. Holtkamp, C.R. Bielak, M. Bobbert, G. Meschut, in: Materials Research Proceedings, Materials Research Forum LLC, 2025.","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} }","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.","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","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","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.","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."},"intvolume":" 54"}]