[{"abstract":[{"text":"The state of the art shows that PBF-LB/M offers great potential for pressure-loaded parts, with significant weight reductions and simultaneous optimization of flow resistance. This study is aimed at applying existing calculation methods for pressure-loaded parts to additively manufactured pipe structures, considering the two materials EN AC-43000 (3.2381, AlSi10Mg) and AISI 316L (1.4404, X2CrNiMo17-12-2). For this purpose, systematic tensile tests are carried out for both materials. In addition, a statistical evaluation is performed to determine the design-relevant strength characteristics with a survival probability Ps of 97.5 % for both materials in the as-built and heat-treated condition.\r\nPipe specimens are manufactured, half of which are heat treated, geometrically measured and then subjected to a burst pressure test to experimentally determine the failure-critical internal pressure. These results are compared with calculated burst pressures. The calculations are based on the application-relevant methods identified in this study, considering the strength values determined for the respective material condition. This comparison is used to assess the suitability of the calculation methods for additively manufactured pipe structures, based on the materials investigated.","lang":"eng"}],"publication":"International Journal of Pressure Vessels and Piping","language":[{"iso":"eng"}],"keyword":["PBF-LB/M","Pipe structures","Strength assessment","Burst pressure test","Geometrical deviations"],"year":"2026","quality_controlled":"1","title":"Analytical and experimental determination of the failure-critical pressure of pipe structures manufactured by PBF-LB/M","date_created":"2026-01-07T08:39:04Z","publisher":"Elsevier BV","status":"public","type":"journal_article","article_number":"105753","department":[{"_id":"146"},{"_id":"9"},{"_id":"624"},{"_id":"149"},{"_id":"321"}],"user_id":"97759","_id":"63512","citation":{"mla":"Koers, Thorsten, et al. “Analytical and Experimental Determination of the Failure-Critical Pressure of Pipe Structures Manufactured by PBF-LB/M.” International Journal of Pressure Vessels and Piping, 105753, Elsevier BV, 2026, doi:10.1016/j.ijpvp.2026.105753.","bibtex":"@article{Koers_Magyar_Bödger_Tröster_2026, title={Analytical and experimental determination of the failure-critical pressure of pipe structures manufactured by PBF-LB/M}, DOI={10.1016/j.ijpvp.2026.105753}, number={105753}, journal={International Journal of Pressure Vessels and Piping}, publisher={Elsevier BV}, author={Koers, Thorsten and Magyar, Balázs and Bödger, Christian and Tröster, Thomas}, year={2026} }","short":"T. Koers, B. Magyar, C. Bödger, T. Tröster, International Journal of Pressure Vessels and Piping (2026).","apa":"Koers, T., Magyar, B., Bödger, C., & Tröster, T. (2026). Analytical and experimental determination of the failure-critical pressure of pipe structures manufactured by PBF-LB/M. International Journal of Pressure Vessels and Piping, Article 105753. https://doi.org/10.1016/j.ijpvp.2026.105753","chicago":"Koers, Thorsten, Balázs Magyar, Christian Bödger, and Thomas Tröster. “Analytical and Experimental Determination of the Failure-Critical Pressure of Pipe Structures Manufactured by PBF-LB/M.” International Journal of Pressure Vessels and Piping, 2026. https://doi.org/10.1016/j.ijpvp.2026.105753.","ieee":"T. Koers, B. Magyar, C. Bödger, and T. Tröster, “Analytical and experimental determination of the failure-critical pressure of pipe structures manufactured by PBF-LB/M,” International Journal of Pressure Vessels and Piping, Art. no. 105753, 2026, doi: 10.1016/j.ijpvp.2026.105753.","ama":"Koers T, Magyar B, Bödger C, Tröster T. Analytical and experimental determination of the failure-critical pressure of pipe structures manufactured by PBF-LB/M. International Journal of Pressure Vessels and Piping. Published online 2026. doi:10.1016/j.ijpvp.2026.105753"},"publication_identifier":{"issn":["0308-0161"]},"publication_status":"published","doi":"10.1016/j.ijpvp.2026.105753","main_file_link":[{"url":"https://doi.org/10.1016/j.ijpvp.2026.105753","open_access":"1"}],"author":[{"first_name":"Thorsten","last_name":"Koers","full_name":"Koers, Thorsten","id":"38077"},{"id":"97759","full_name":"Magyar, Balázs","last_name":"Magyar","first_name":"Balázs"},{"first_name":"Christian","id":"93904","full_name":"Bödger, Christian","last_name":"Bödger"},{"last_name":"Tröster","id":"553","full_name":"Tröster, Thomas","first_name":"Thomas"}],"date_updated":"2026-01-14T11:56:01Z","oa":"1"},{"language":[{"iso":"eng"}],"_id":"63676","user_id":"85414","department":[{"_id":"9"},{"_id":"952"},{"_id":"321"}],"abstract":[{"text":"\r\n Purpose\r\n The purpose of this paper is to develop new methods of error representation to improve the accuracy and numerical efficiency of a posteriori and goal-oriented adaptive framework of elastoplasticity with Prandtl–Reuss type material laws.\r\n \r\n \r\n Design/methodology/approach\r\n To obtain new methods of error representation for a posteriori and goal-oriented error estimators, weak forms of primal and dual problems are investigated starting with the initial boundary value problem (IBVP). Then, we approximate both problems using temporal discretization. Additionally, we introduce a secant form considering the nonlinearity of elasto-plastic constitutive equations, which is approximated by a tangent form. Finally, we obtain numerical primal and dual solutions and their corresponding error approximations of discretized primal and dual problems, allowing to build several goal-oriented a posteriori error estimators on temporal and spatial adaptive refinement by inserting primal solutions, dual solutions and their error approximations as arguments in residuals of both weak forms as well as in the secant form of the bilinear residual.\r\n \r\n \r\n Findings\r\n An elasto-plastic material is investigated in a framework of goal-oriented error estimator by using separately several methods of error representation to deal with either temporal or spatial adaptive refinement, as well as with both refinements leading to an effective reduction of computational effort. Specifically, new error representations based on goal-oriented error estimators are presented and obtained from primal and dual residuals, which use only primal solutions or only dual solutions or a combination of primal and dual solutions as arguments. Error representations obtained from primal residuals and evaluated using only primal arguments do not require the formulation of a dual problem.\r\n \r\n \r\n Research limitations/implications\r\n The effectiveness of the different proposed methods is illustrated by an example of a perforated sheet for adaptive spatial refinement where new mesh adaptation methods of error representation are compared against existing mesh adaptation methods such as uniform mesh refinement, mesh refinement based on gradient indicators and adjoint-based methods in literature. The framework generates a balanced mesh consisting of fine, medium and coarse elements for accurate results, avoiding a numerically costly simulation with only fine elements.\r\n \r\n \r\n Originality/value\r\n All new proposed methods of error representation successfully estimate actual errors during mesh adaptivity. Furthermore, the proposed methods of error representation allow us to obtain significant reduction and equidistribution of spatial error at the end of the mesh adaptivity process. Their application to a framework of goal-oriented error estimation due to time and mesh adaptivity remains an open issue.\r\n ","lang":"eng"}],"status":"public","type":"journal_article","publication":"Engineering Computations","title":"Error representations for goal-oriented a posteriori error estimation in elasto-plasticity with applications to mesh adaptivity","doi":"10.1108/ec-12-2023-0975","publisher":"Emerald","date_updated":"2026-01-21T06:50:58Z","date_created":"2026-01-21T06:49:18Z","author":[{"full_name":"Tchomgue Simeu, Arnold","id":"83075","last_name":"Tchomgue Simeu","first_name":"Arnold"},{"first_name":"Ismail","last_name":"Caylak","id":"75","full_name":"Caylak, Ismail"},{"id":"106876","full_name":"Ostwald, Richard","last_name":"Ostwald","orcid":"0000-0003-2147-8444","first_name":"Richard"}],"year":"2026","citation":{"short":"A. Tchomgue Simeu, I. Caylak, R. Ostwald, Engineering Computations (2026) 1–40.","bibtex":"@article{Tchomgue Simeu_Caylak_Ostwald_2026, title={Error representations for goal-oriented a posteriori error estimation in elasto-plasticity with applications to mesh adaptivity}, DOI={10.1108/ec-12-2023-0975}, journal={Engineering Computations}, publisher={Emerald}, author={Tchomgue Simeu, Arnold and Caylak, Ismail and Ostwald, Richard}, year={2026}, pages={1–40} }","mla":"Tchomgue Simeu, Arnold, et al. “Error Representations for Goal-Oriented a Posteriori Error Estimation in Elasto-Plasticity with Applications to Mesh Adaptivity.” Engineering Computations, Emerald, 2026, pp. 1–40, doi:10.1108/ec-12-2023-0975.","apa":"Tchomgue Simeu, A., Caylak, I., & Ostwald, R. (2026). Error representations for goal-oriented a posteriori error estimation in elasto-plasticity with applications to mesh adaptivity. Engineering Computations, 1–40. https://doi.org/10.1108/ec-12-2023-0975","ama":"Tchomgue Simeu A, Caylak I, Ostwald R. Error representations for goal-oriented a posteriori error estimation in elasto-plasticity with applications to mesh adaptivity. Engineering Computations. Published online 2026:1-40. doi:10.1108/ec-12-2023-0975","ieee":"A. Tchomgue Simeu, I. Caylak, and R. Ostwald, “Error representations for goal-oriented a posteriori error estimation in elasto-plasticity with applications to mesh adaptivity,” Engineering Computations, pp. 1–40, 2026, doi: 10.1108/ec-12-2023-0975.","chicago":"Tchomgue Simeu, Arnold, Ismail Caylak, and Richard Ostwald. “Error Representations for Goal-Oriented a Posteriori Error Estimation in Elasto-Plasticity with Applications to Mesh Adaptivity.” Engineering Computations, 2026, 1–40. https://doi.org/10.1108/ec-12-2023-0975."},"page":"1-40","publication_status":"published","quality_controlled":"1","publication_identifier":{"issn":["0264-4401","1758-7077"]}},{"volume":"03-2025","author":[{"first_name":"Dorte","id":"44116","full_name":"Trienens, Dorte","last_name":"Trienens"},{"first_name":"Florian","last_name":"Brüning","id":"72920","full_name":"Brüning, Florian"},{"last_name":"Schöppner","id":"20530","full_name":"Schöppner, Volker","first_name":"Volker"}],"date_created":"2026-01-28T10:09:30Z","date_updated":"2026-01-28T10:09:53Z","title":"Wo Forschung, KI und Praxis aufeinandertreffen","citation":{"chicago":"Trienens, Dorte, Florian Brüning, and Volker Schöppner. “Wo Forschung, KI Und Praxis Aufeinandertreffen.” Kunststoffland NRW Report 03–2025 (2026).","ieee":"D. Trienens, F. Brüning, and V. Schöppner, “Wo Forschung, KI und Praxis aufeinandertreffen,” kunststoffland NRW report, vol. 03–2025, 2026.","ama":"Trienens D, Brüning F, Schöppner V. Wo Forschung, KI und Praxis aufeinandertreffen. kunststoffland NRW report. 2026;03-2025.","apa":"Trienens, D., Brüning, F., & Schöppner, V. (2026). Wo Forschung, KI und Praxis aufeinandertreffen. Kunststoffland NRW Report, 03–2025.","bibtex":"@article{Trienens_Brüning_Schöppner_2026, title={Wo Forschung, KI und Praxis aufeinandertreffen}, volume={03–2025}, journal={kunststoffland NRW report}, author={Trienens, Dorte and Brüning, Florian and Schöppner, Volker}, year={2026} }","mla":"Trienens, Dorte, et al. “Wo Forschung, KI Und Praxis Aufeinandertreffen.” Kunststoffland NRW Report, vol. 03–2025, 2026.","short":"D. Trienens, F. Brüning, V. Schöppner, Kunststoffland NRW Report 03–2025 (2026)."},"year":"2026","department":[{"_id":"9"},{"_id":"367"},{"_id":"321"}],"user_id":"44116","_id":"63784","language":[{"iso":"eng"}],"publication":"kunststoffland NRW report","type":"journal_article","status":"public"},{"publication":"Mathematics and Mechanics of Solids","type":"journal_article","abstract":[{"lang":"eng","text":"Carbon fiber-reinforced plastics (CFRPs) have become increasingly significant in recent decades due to their remarkable mechanical properties and lightweight nature. This study aims to advance the understanding and simulation of CFRP behavior through the development of a hyperelastic-plastic-damage homogenization method combined with mean-field theory. The material responses of both the fiber and matrix are modeled using strain energy functions that account for damage evolution, while a complete linearization of the homogenization process is derived to ensure the consistent implementation of the Newton–Raphson iteration scheme in large deformation simulations. The innovative aspect of this work lies in the constitutive linearization for the hyperelastic-plastic-damage formulation within a mean-field homogenization framework, providing an efficient Newton algorithm for modeling the nonlinear behavior of CFRP. A failure criterion for the hyperelastic model of fibers is introduced, along with a damage saturation variable in rate form for the matrix, effectively capturing damage evolution. Through discrete formulations for the homogenization, the proposed model’s capability is demonstrated via three numerical examples and validated against experimental investigations, proving its effectiveness and reliability in simulating CFRP damage."}],"status":"public","_id":"64187","department":[{"_id":"9"},{"_id":"952"},{"_id":"321"}],"user_id":"85414","article_number":"10812865261420809","language":[{"iso":"eng"}],"publication_identifier":{"issn":["1081-2865","1741-3028"]},"quality_controlled":"1","publication_status":"published","year":"2026","citation":{"apa":"Zhan, Y., Caylak, I., Ostwald, R., Mahnken, R., Barth, E., & Uhlmann, E. (2026). A fully implicit mean-field damage formulation with consistent linearization at large deformations. Mathematics and Mechanics of Solids, Article 10812865261420808. https://doi.org/10.1177/10812865261420809","mla":"Zhan, Yingjie, et al. “A Fully Implicit Mean-Field Damage Formulation with Consistent Linearization at Large Deformations.” Mathematics and Mechanics of Solids, 10812865261420808, SAGE Publications, 2026, doi:10.1177/10812865261420809.","bibtex":"@article{Zhan_Caylak_Ostwald_Mahnken_Barth_Uhlmann_2026, title={A fully implicit mean-field damage formulation with consistent linearization at large deformations}, DOI={10.1177/10812865261420809}, number={10812865261420808}, journal={Mathematics and Mechanics of Solids}, publisher={SAGE Publications}, author={Zhan, Yingjie and Caylak, Ismail and Ostwald, Richard and Mahnken, Rolf and Barth, Enrico and Uhlmann, Eckart}, year={2026} }","short":"Y. Zhan, I. Caylak, R. Ostwald, R. Mahnken, E. Barth, E. Uhlmann, Mathematics and Mechanics of Solids (2026).","chicago":"Zhan, Yingjie, Ismail Caylak, Richard Ostwald, Rolf Mahnken, Enrico Barth, and Eckart Uhlmann. “A Fully Implicit Mean-Field Damage Formulation with Consistent Linearization at Large Deformations.” Mathematics and Mechanics of Solids, 2026. https://doi.org/10.1177/10812865261420809.","ieee":"Y. Zhan, I. Caylak, R. Ostwald, R. Mahnken, E. Barth, and E. Uhlmann, “A fully implicit mean-field damage formulation with consistent linearization at large deformations,” Mathematics and Mechanics of Solids, Art. no. 10812865261420808, 2026, doi: 10.1177/10812865261420809.","ama":"Zhan Y, Caylak I, Ostwald R, Mahnken R, Barth E, Uhlmann E. A fully implicit mean-field damage formulation with consistent linearization at large deformations. Mathematics and Mechanics of Solids. Published online 2026. doi:10.1177/10812865261420809"},"date_updated":"2026-02-17T11:22:49Z","publisher":"SAGE Publications","author":[{"first_name":"Yingjie","id":"93591","full_name":"Zhan, Yingjie","last_name":"Zhan"},{"last_name":"Caylak","full_name":"Caylak, Ismail","first_name":"Ismail"},{"orcid":"0000-0003-2147-8444","last_name":"Ostwald","full_name":"Ostwald, Richard","id":"106876","first_name":"Richard"},{"id":"335","full_name":"Mahnken, Rolf","last_name":"Mahnken","first_name":"Rolf"},{"first_name":"Enrico","last_name":"Barth","full_name":"Barth, Enrico"},{"full_name":"Uhlmann, Eckart","last_name":"Uhlmann","first_name":"Eckart"}],"date_created":"2026-02-17T11:21:00Z","title":"A fully implicit mean-field damage formulation with consistent linearization at large deformations","doi":"10.1177/10812865261420809"},{"quality_controlled":"1","year":"2026","publisher":"Elsevier","date_created":"2026-02-26T11:21:24Z","title":"Solidification-joinability correlation of hypoeutectic aluminium casting alloys for self-piercing riveting (SPR)","publication":"Journal of Manufacturing Processes","abstract":[{"text":"One of the major topics in the modern automotive industry is reducing emissions and increasing the mileage\r\nrange. To tackle this challenge, on the one hand, modifying the powertrain system is a possibility, and on the\r\nother hand, lightweight design offers various possibilities. Multi-Material Design (MMD) involves designing car\r\nbodies that combine different materials that require joining. Given the variety of materials, mechanical joining\r\nprocesses are preferred. Especially the current development of the Giga/Mega-casting process concerning\r\naluminium casting and the subsequent mechanical joining illustrates the challenges of this material group. In car\r\nproduction, aluminium castings are mainly made from aluminium-silicon (AlSi) alloys. Ultimately, the alloy\r\nsystem's insufficient ductility leads to crack initiation during mechanical joining. Cast parts are therefore often\r\nused in areas of the car body that are exposed to high-pressure loads. For example, self-piercing riveting (SPR) is\r\nused due to its high load-bearing capacity. In this study, improved joinability is demonstrated by influencing the\r\nmicrostructure through tailored solidification rates and a developed heat-treatment chain strategy adapted for\r\nhypoeutectic AlSi systems. Data on microstructure, mechanical, and joining properties are used to develop a\r\nsolidification-joining correlation for the SPR process across a range of Si contents and solidification rates. The\r\npurpose is to develop the ability to produce suitable aluminium castings with sufficient joinability, thereby\r\nimproving versatility.","lang":"eng"}],"keyword":["Mechanical joining","Aluminium","Self-piercing riveting","Casting","Microstructure","Joinability AlSi-alloys"],"language":[{"iso":"eng"}],"publication_status":"published","citation":{"short":"M. Neuser, P.K. Kaimann, I. Stratmann, M. Bobbert, J.M.B. Klöckner, M. Mann, K.-P. Hoyer, G. Meschut, M. Schaper, Journal of Manufacturing Processes 164 (2026).","bibtex":"@article{Neuser_Kaimann_Stratmann_Bobbert_Klöckner_Mann_Hoyer_Meschut_Schaper_2026, title={Solidification-joinability correlation of hypoeutectic aluminium casting alloys for self-piercing riveting (SPR)}, volume={164}, DOI={https://doi.org/10.1016/j.jmapro.2026.02.040}, journal={Journal of Manufacturing Processes}, publisher={Elsevier}, author={Neuser, Moritz and Kaimann, Pia Katharina and Stratmann, Ina and Bobbert, Mathias and Klöckner, Johann Moritz Benedikt and Mann, Moritz and Hoyer, Kay-Peter and Meschut, Gerson and Schaper, Mirko}, year={2026} }","mla":"Neuser, Moritz, et al. “Solidification-Joinability Correlation of Hypoeutectic Aluminium Casting Alloys for Self-Piercing Riveting (SPR).” Journal of Manufacturing Processes, vol. 164, Elsevier, 2026, doi:https://doi.org/10.1016/j.jmapro.2026.02.040.","ama":"Neuser M, Kaimann PK, Stratmann I, et al. Solidification-joinability correlation of hypoeutectic aluminium casting alloys for self-piercing riveting (SPR). Journal of Manufacturing Processes. 2026;164. doi:https://doi.org/10.1016/j.jmapro.2026.02.040","apa":"Neuser, M., Kaimann, P. K., Stratmann, I., Bobbert, M., Klöckner, J. M. B., Mann, M., Hoyer, K.-P., Meschut, G., & Schaper, M. (2026). Solidification-joinability correlation of hypoeutectic aluminium casting alloys for self-piercing riveting (SPR). Journal of Manufacturing Processes, 164. https://doi.org/10.1016/j.jmapro.2026.02.040","chicago":"Neuser, Moritz, Pia Katharina Kaimann, Ina Stratmann, Mathias Bobbert, Johann Moritz Benedikt Klöckner, Moritz Mann, Kay-Peter Hoyer, Gerson Meschut, and Mirko Schaper. “Solidification-Joinability Correlation of Hypoeutectic Aluminium Casting Alloys for Self-Piercing Riveting (SPR).” Journal of Manufacturing Processes 164 (2026). https://doi.org/10.1016/j.jmapro.2026.02.040.","ieee":"M. Neuser et al., “Solidification-joinability correlation of hypoeutectic aluminium casting alloys for self-piercing riveting (SPR),” Journal of Manufacturing Processes, vol. 164, 2026, doi: https://doi.org/10.1016/j.jmapro.2026.02.040."},"intvolume":" 164","date_updated":"2026-02-26T11:22:03Z","author":[{"last_name":"Neuser","id":"32340","full_name":"Neuser, Moritz","first_name":"Moritz"},{"id":"44935","full_name":"Kaimann, Pia Katharina","last_name":"Kaimann","first_name":"Pia Katharina"},{"first_name":"Ina","last_name":"Stratmann","full_name":"Stratmann, Ina"},{"id":"7850","full_name":"Bobbert, Mathias","last_name":"Bobbert","first_name":"Mathias"},{"full_name":"Klöckner, Johann Moritz Benedikt","last_name":"Klöckner","first_name":"Johann Moritz Benedikt"},{"full_name":"Mann, Moritz","last_name":"Mann","first_name":"Moritz"},{"first_name":"Kay-Peter","id":"48411","full_name":"Hoyer, Kay-Peter","last_name":"Hoyer"},{"first_name":"Gerson","full_name":"Meschut, Gerson","id":"32056","orcid":"0000-0002-2763-1246","last_name":"Meschut"},{"first_name":"Mirko","full_name":"Schaper, Mirko","id":"43720","last_name":"Schaper"}],"volume":164,"doi":"https://doi.org/10.1016/j.jmapro.2026.02.040","type":"journal_article","status":"public","project":[{"_id":"131","name":"TRR 285 - Project Area A"},{"name":"TRR 285 - Project Area C","_id":"133"},{"name":"TRR 285 - Subproject A02","_id":"136"},{"_id":"146","name":"TRR 285 - Subproject C02"},{"name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"_id":"64678","user_id":"32340","department":[{"_id":"43"},{"_id":"158"},{"_id":"157"},{"_id":"321"}],"article_type":"original","funded_apc":"1"},{"publication_status":"published","publication_identifier":{"issn":["0143-7496"]},"quality_controlled":"1","year":"2026","citation":{"bibtex":"@article{Gude_Meschut_Flügge_Fröck_Wald_Neßlinger_Dobrindt-Tittmann_Troschitz_Neubert_Hofmann_et al._2026, title={Corrosion of adhesively bonded alloys in maritime environments: A review}, volume={147}, DOI={10.1016/j.ijadhadh.2026.104264}, number={104264}, journal={International Journal of Adhesion and Adhesives}, publisher={Elsevier BV}, author={Gude, Maik and Meschut, Gerson and Flügge, Wilko and Fröck, Linda and Wald, Christopher and Neßlinger, Vanessa and Dobrindt-Tittmann, Karsten and Troschitz, Juliane and Neubert, Fynn and Hofmann, Martin and et al.}, year={2026} }","short":"M. Gude, G. Meschut, W. Flügge, L. Fröck, C. Wald, V. Neßlinger, K. Dobrindt-Tittmann, J. Troschitz, F. Neubert, M. Hofmann, R. Ostwald, C. Mathiszik, H.C. Schmale, T. Wallmersperger, G. Grundmeier, International Journal of Adhesion and Adhesives 147 (2026).","mla":"Gude, Maik, et al. “Corrosion of Adhesively Bonded Alloys in Maritime Environments: A Review.” International Journal of Adhesion and Adhesives, vol. 147, 104264, Elsevier BV, 2026, doi:10.1016/j.ijadhadh.2026.104264.","ama":"Gude M, Meschut G, Flügge W, et al. Corrosion of adhesively bonded alloys in maritime environments: A review. International Journal of Adhesion and Adhesives. 2026;147. doi:10.1016/j.ijadhadh.2026.104264","apa":"Gude, M., Meschut, G., Flügge, W., Fröck, L., Wald, C., Neßlinger, V., Dobrindt-Tittmann, K., Troschitz, J., Neubert, F., Hofmann, M., Ostwald, R., Mathiszik, C., Schmale, H. C., Wallmersperger, T., & Grundmeier, G. (2026). Corrosion of adhesively bonded alloys in maritime environments: A review. International Journal of Adhesion and Adhesives, 147, Article 104264. https://doi.org/10.1016/j.ijadhadh.2026.104264","chicago":"Gude, Maik, Gerson Meschut, Wilko Flügge, Linda Fröck, Christopher Wald, Vanessa Neßlinger, Karsten Dobrindt-Tittmann, et al. “Corrosion of Adhesively Bonded Alloys in Maritime Environments: A Review.” International Journal of Adhesion and Adhesives 147 (2026). https://doi.org/10.1016/j.ijadhadh.2026.104264.","ieee":"M. Gude et al., “Corrosion of adhesively bonded alloys in maritime environments: A review,” International Journal of Adhesion and Adhesives, vol. 147, Art. no. 104264, 2026, doi: 10.1016/j.ijadhadh.2026.104264."},"intvolume":" 147","date_updated":"2026-03-04T11:32:09Z","publisher":"Elsevier BV","author":[{"first_name":"Maik","full_name":"Gude, Maik","last_name":"Gude"},{"orcid":"0000-0002-2763-1246","last_name":"Meschut","full_name":"Meschut, Gerson","id":"32056","first_name":"Gerson"},{"full_name":"Flügge, Wilko","last_name":"Flügge","first_name":"Wilko"},{"last_name":"Fröck","full_name":"Fröck, Linda","first_name":"Linda"},{"full_name":"Wald, Christopher","last_name":"Wald","first_name":"Christopher"},{"first_name":"Vanessa","full_name":"Neßlinger, Vanessa","last_name":"Neßlinger"},{"full_name":"Dobrindt-Tittmann, Karsten","last_name":"Dobrindt-Tittmann","first_name":"Karsten"},{"first_name":"Juliane","last_name":"Troschitz","full_name":"Troschitz, Juliane"},{"first_name":"Fynn","full_name":"Neubert, Fynn","last_name":"Neubert"},{"last_name":"Hofmann","full_name":"Hofmann, Martin","first_name":"Martin"},{"id":"106876","full_name":"Ostwald, Richard","orcid":"0000-0003-2147-8444","last_name":"Ostwald","first_name":"Richard"},{"full_name":"Mathiszik, Christian","last_name":"Mathiszik","first_name":"Christian"},{"first_name":"Hans Christian","last_name":"Schmale","full_name":"Schmale, Hans Christian"},{"full_name":"Wallmersperger, Thomas","last_name":"Wallmersperger","first_name":"Thomas"},{"first_name":"Guido","last_name":"Grundmeier","full_name":"Grundmeier, Guido","id":"194"}],"date_created":"2026-01-20T09:06:03Z","volume":147,"title":"Corrosion of adhesively bonded alloys in maritime environments: A review","doi":"10.1016/j.ijadhadh.2026.104264","type":"journal_article","publication":"International Journal of Adhesion and Adhesives","status":"public","_id":"63665","user_id":"85414","department":[{"_id":"9"},{"_id":"952"},{"_id":"321"}],"article_number":"104264","language":[{"iso":"eng"}]},{"publication":"International Journal for Numerical Methods in Engineering","abstract":[{"text":"ABSTRACT\r\n Homogenization methods simulate heterogeneous materials like composites effectively, but high computational demands can offset their benefits. This work balances accuracy and efficiency by assessing model and discretization errors of the finite element method (FEM) through an adaptive numerical scheme. Two model hierarchies are introduced, combining mean‐field and full‐field methods, and nonuniform transformation field analysis (NTFA) with full‐field methods. Both hierarchies use a full‐field FEM solution of the representative volume element (RVE) as reference. The study highlights the benefits of using effective constitutive equations from mean‐field and full‐field methods as well as NTFA methods, with a goal‐oriented a posteriori error estimator based on duality techniques controlling mesh and model errors in a forwards‐in‐time manner.","lang":"eng"}],"language":[{"iso":"eng"}],"quality_controlled":"1","issue":"6","year":"2026","publisher":"Wiley","date_created":"2026-03-18T05:28:29Z","title":"Mesh and Model Adaptivity for Multiscale Elastoplastic Models With Prandtl‐Reuss Type Material Laws","type":"journal_article","status":"public","_id":"65037","department":[{"_id":"9"},{"_id":"952"},{"_id":"321"}],"user_id":"85414","article_number":"e70294","publication_identifier":{"issn":["0029-5981","1097-0207"]},"publication_status":"published","intvolume":" 127","citation":{"mla":"Simeu, Arnold Tchomgue, et al. “Mesh and Model Adaptivity for Multiscale Elastoplastic Models With Prandtl‐Reuss Type Material Laws.” International Journal for Numerical Methods in Engineering, vol. 127, no. 6, e70294, Wiley, 2026, doi:10.1002/nme.70294.","short":"A.T. Simeu, I. Caylak, R. Ostwald, International Journal for Numerical Methods in Engineering 127 (2026).","bibtex":"@article{Simeu_Caylak_Ostwald_2026, title={Mesh and Model Adaptivity for Multiscale Elastoplastic Models With Prandtl‐Reuss Type Material Laws}, volume={127}, DOI={10.1002/nme.70294}, number={6e70294}, journal={International Journal for Numerical Methods in Engineering}, publisher={Wiley}, author={Simeu, Arnold Tchomgue and Caylak, Ismail and Ostwald, Richard}, year={2026} }","ama":"Simeu AT, Caylak I, Ostwald R. Mesh and Model Adaptivity for Multiscale Elastoplastic Models With Prandtl‐Reuss Type Material Laws. International Journal for Numerical Methods in Engineering. 2026;127(6). doi:10.1002/nme.70294","apa":"Simeu, A. T., Caylak, I., & Ostwald, R. (2026). Mesh and Model Adaptivity for Multiscale Elastoplastic Models With Prandtl‐Reuss Type Material Laws. International Journal for Numerical Methods in Engineering, 127(6), Article e70294. https://doi.org/10.1002/nme.70294","chicago":"Simeu, Arnold Tchomgue, Ismail Caylak, and Richard Ostwald. “Mesh and Model Adaptivity for Multiscale Elastoplastic Models With Prandtl‐Reuss Type Material Laws.” International Journal for Numerical Methods in Engineering 127, no. 6 (2026). https://doi.org/10.1002/nme.70294.","ieee":"A. T. Simeu, I. Caylak, and R. Ostwald, “Mesh and Model Adaptivity for Multiscale Elastoplastic Models With Prandtl‐Reuss Type Material Laws,” International Journal for Numerical Methods in Engineering, vol. 127, no. 6, Art. no. e70294, 2026, doi: 10.1002/nme.70294."},"date_updated":"2026-03-18T05:31:02Z","volume":127,"author":[{"first_name":"Arnold Tchomgue","last_name":"Simeu","full_name":"Simeu, Arnold Tchomgue"},{"first_name":"Ismail","last_name":"Caylak","id":"75","full_name":"Caylak, Ismail"},{"orcid":"0000-0003-2147-8444","last_name":"Ostwald","id":"106876","full_name":"Ostwald, Richard","first_name":"Richard"}],"doi":"10.1002/nme.70294"},{"title":"NeMo.bil - Individualisierter öffentlicher Personennahverkehr - iÖV","doi":"10.3278/BB2601","publisher":"wbv Publikation","date_updated":"2026-03-23T10:36:09Z","date_created":"2026-03-23T10:30:19Z","author":[{"full_name":"Marten, Thorsten","id":"338","last_name":"Marten","orcid":"0009-0001-6433-7839","first_name":"Thorsten"},{"id":"44763","full_name":"Ostermann, Moritz","last_name":"Ostermann","orcid":"https://orcid.org/0000-0003-1146-0443","first_name":"Moritz"},{"first_name":"Jonathan","last_name":"Behm","full_name":"Behm, Jonathan"},{"first_name":"Samuel","last_name":"Leitenmaier","full_name":"Leitenmaier, Samuel"}],"volume":209,"year":"2026","citation":{"apa":"Marten, T., Ostermann, M., Behm, J., & Leitenmaier, S. (2026). NeMo.bil - Individualisierter öffentlicher Personennahverkehr - iÖV. Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog, 209(1), 23–27. https://doi.org/10.3278/BB2601","bibtex":"@article{Marten_Ostermann_Behm_Leitenmaier_2026, title={NeMo.bil - Individualisierter öffentlicher Personennahverkehr - iÖV}, volume={209}, DOI={10.3278/BB2601}, number={1}, journal={Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog}, publisher={wbv Publikation}, author={Marten, Thorsten and Ostermann, Moritz and Behm, Jonathan and Leitenmaier, Samuel}, year={2026}, pages={23–27} }","short":"T. Marten, M. Ostermann, J. Behm, S. Leitenmaier, Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog 209 (2026) 23–27.","mla":"Marten, Thorsten, et al. “NeMo.bil - Individualisierter öffentlicher Personennahverkehr - iÖV.” Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog, vol. 209, no. 1, wbv Publikation, 2026, pp. 23–27, doi:10.3278/BB2601.","ieee":"T. Marten, M. Ostermann, J. Behm, and S. Leitenmaier, “NeMo.bil - Individualisierter öffentlicher Personennahverkehr - iÖV,” Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog, vol. 209, no. 1, pp. 23–27, 2026, doi: 10.3278/BB2601.","chicago":"Marten, Thorsten, Moritz Ostermann, Jonathan Behm, and Samuel Leitenmaier. “NeMo.bil - Individualisierter öffentlicher Personennahverkehr - iÖV.” Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog 209, no. 1 (2026): 23–27. https://doi.org/10.3278/BB2601.","ama":"Marten T, Ostermann M, Behm J, Leitenmaier S. NeMo.bil - Individualisierter öffentlicher Personennahverkehr - iÖV. Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog. 2026;209(1):23-27. doi:10.3278/BB2601"},"intvolume":" 209","page":"23-27","publication_status":"published","publication_identifier":{"eissn":["21991944"]},"quality_controlled":"1","issue":"1","language":[{"iso":"ger"}],"_id":"65093","user_id":"338","department":[{"_id":"9"},{"_id":"321"},{"_id":"149"}],"status":"public","type":"journal_article","publication":"Berufsbildung - Zeitschrift für Theorie-Praxis-Dialog"},{"type":"journal_article","publication":"International Polymer Processing","status":"public","abstract":[{"lang":"eng","text":"Abstract\r\n With the growing demand for lightweight solutions to reduce emissions, especially in the transportation, automotive and aerospace sectors, recyclable, continuous fiber-reinforced plastic composite laminates with a thermoplastic matrix are of rising interest. To achieve their maximum mechanical properties, the fiber-matrix adhesion (FMA) is critical. In this work, continuous fiber-reinforced thermoplastic laminates (CFRTPL) with a polypropylene (PP) matrix and twill woven glass fiber fabrics are produced by film stacking. The films used contain different amounts of maleic-anhydride-grafted PP (MA-g-PP) as a coupling agent to produce CFRTPL of different mechanical strengths. To analyze the FMA, the CFRTPL are subjected to Charpy-impact and tensile tests. Additionally, single fiber pull-out tests (SFPT) are conducted to further investigate the effect of MA-g-PP on the FMA. The results of the SFPT show an improvement in apparent interfacial shear strength (AIFSS) when the MA-g-PP content is increased, which can be attributed to an increase in FMA. However, the research shows that MA-g-PP has a low impact on the mechanical properties if the force is applied parallel to the warp and weft threads during tensile testing and the results of the Charpy-impact testing suffer from embrittlement of the matrix material. Subsequently, the results of this study are compared to three-point flexural tests conducted in a previous study. It can be concluded that tensile and impact tests are not suited to investigate FMA on a macroscopic scale, while SFPT and flexural tests provide a better alternative."}],"user_id":"59363","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"},{"_id":"34"},{"_id":"49"}],"_id":"65242","language":[{"iso":"eng"}],"publication_status":"published","publication_identifier":{"issn":["0930-777X","2195-8602"]},"quality_controlled":"1","citation":{"ama":"Moritzer E, Brandes P, Wittler M, et al. Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties. International Polymer Processing. Published online 2026. doi:10.1515/ipp-2025-0077","ieee":"E. Moritzer et al., “Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties,” International Polymer Processing, 2026, doi: 10.1515/ipp-2025-0077.","chicago":"Moritzer, Elmar, Philipp Brandes, Maurice Wittler, Leander Claes, Mareen Wippermann, Markus Haag, Thomas Gries, and Bernd Henning. “Fiber-Matrix Adhesion in Glass Fiber Reinforced Thermoplastic Composite Laminates and Its Effect on Mechanical Properties.” International Polymer Processing, 2026. https://doi.org/10.1515/ipp-2025-0077.","short":"E. Moritzer, P. Brandes, M. Wittler, L. Claes, M. Wippermann, M. Haag, T. Gries, B. Henning, International Polymer Processing (2026).","bibtex":"@article{Moritzer_Brandes_Wittler_Claes_Wippermann_Haag_Gries_Henning_2026, title={Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties}, DOI={10.1515/ipp-2025-0077}, journal={International Polymer Processing}, publisher={Walter de Gruyter GmbH}, author={Moritzer, Elmar and Brandes, Philipp and Wittler, Maurice and Claes, Leander and Wippermann, Mareen and Haag, Markus and Gries, Thomas and Henning, Bernd}, year={2026} }","mla":"Moritzer, Elmar, et al. “Fiber-Matrix Adhesion in Glass Fiber Reinforced Thermoplastic Composite Laminates and Its Effect on Mechanical Properties.” International Polymer Processing, Walter de Gruyter GmbH, 2026, doi:10.1515/ipp-2025-0077.","apa":"Moritzer, E., Brandes, P., Wittler, M., Claes, L., Wippermann, M., Haag, M., Gries, T., & Henning, B. (2026). Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties. International Polymer Processing. https://doi.org/10.1515/ipp-2025-0077"},"year":"2026","author":[{"id":"20531","full_name":"Moritzer, Elmar","last_name":"Moritzer","first_name":"Elmar"},{"first_name":"Philipp","id":"70091","full_name":"Brandes, Philipp","last_name":"Brandes","orcid":"0009-0005-9707-0885"},{"full_name":"Wittler, Maurice","id":"76071","last_name":"Wittler","first_name":"Maurice"},{"full_name":"Claes, Leander","id":"11829","last_name":"Claes","orcid":"0000-0002-4393-268X","first_name":"Leander"},{"last_name":"Wippermann","id":"74624","full_name":"Wippermann, Mareen","first_name":"Mareen"},{"first_name":"Markus","last_name":"Haag","full_name":"Haag, Markus"},{"last_name":"Gries","full_name":"Gries, Thomas","first_name":"Thomas"},{"id":"213","full_name":"Henning, Bernd","last_name":"Henning","first_name":"Bernd"}],"date_created":"2026-03-30T14:14:33Z","publisher":"Walter de Gruyter GmbH","date_updated":"2026-03-30T14:15:31Z","doi":"10.1515/ipp-2025-0077","title":"Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties"},{"status":"public","type":"journal_article","article_number":"e70093","user_id":"85414","department":[{"_id":"9"},{"_id":"952"},{"_id":"321"}],"_id":"65266","citation":{"short":"A. Börger, R. Mahnken, I. Caylak, R. Ostwald, Proceedings in Applied Mathematics and Mechanics 26 (2026).","mla":"Börger, Alexander, et al. “Aspects of Parameter Identification for a Micromorphic Continuum Applied to a Cold‐Box Sand.” Proceedings in Applied Mathematics and Mechanics, vol. 26, no. 2, e70093, Wiley, 2026, doi:10.1002/pamm.70093.","bibtex":"@article{Börger_Mahnken_Caylak_Ostwald_2026, title={Aspects of Parameter Identification for a Micromorphic Continuum applied to a Cold‐Box Sand}, volume={26}, DOI={10.1002/pamm.70093}, number={2e70093}, journal={Proceedings in Applied Mathematics and Mechanics}, publisher={Wiley}, author={Börger, Alexander and Mahnken, Rolf and Caylak, Ismail and Ostwald, Richard}, year={2026} }","apa":"Börger, A., Mahnken, R., Caylak, I., & Ostwald, R. (2026). Aspects of Parameter Identification for a Micromorphic Continuum applied to a Cold‐Box Sand. Proceedings in Applied Mathematics and Mechanics, 26(2), Article e70093. https://doi.org/10.1002/pamm.70093","ieee":"A. Börger, R. Mahnken, I. Caylak, and R. Ostwald, “Aspects of Parameter Identification for a Micromorphic Continuum applied to a Cold‐Box Sand,” Proceedings in Applied Mathematics and Mechanics, vol. 26, no. 2, Art. no. e70093, 2026, doi: 10.1002/pamm.70093.","chicago":"Börger, Alexander, Rolf Mahnken, Ismail Caylak, and Richard Ostwald. “Aspects of Parameter Identification for a Micromorphic Continuum Applied to a Cold‐Box Sand.” Proceedings in Applied Mathematics and Mechanics 26, no. 2 (2026). https://doi.org/10.1002/pamm.70093.","ama":"Börger A, Mahnken R, Caylak I, Ostwald R. Aspects of Parameter Identification for a Micromorphic Continuum applied to a Cold‐Box Sand. Proceedings in Applied Mathematics and Mechanics. 2026;26(2). doi:10.1002/pamm.70093"},"intvolume":" 26","publication_status":"published","publication_identifier":{"issn":["1617-7061","1617-7061"]},"doi":"10.1002/pamm.70093","author":[{"first_name":"Alexander","full_name":"Börger, Alexander","id":"52037","last_name":"Börger"},{"first_name":"Rolf","last_name":"Mahnken","full_name":"Mahnken, Rolf"},{"last_name":"Caylak","full_name":"Caylak, Ismail","id":"75","first_name":"Ismail"},{"first_name":"Richard","id":"106876","full_name":"Ostwald, Richard","last_name":"Ostwald","orcid":"0000-0003-2147-8444"}],"volume":26,"date_updated":"2026-04-01T04:54:17Z","abstract":[{"lang":"eng","text":"ABSTRACT\r\n This work is concerned with the modeling of a cold‐box sand, a composition of sand grains and a resin binder. To this end, experiments are performed, which show the following characteristics: localization phenomena in the form of a shear band, softening behavior in the force‐displacement curve, and asymmetric behavior for compression and tension. To model this complex material behavior, a micromorphic continuum is used. In the present contribution, we focus on the linear‐elastic regime and demonstrate the identifiability of micromorphic material parameters under deliberately induced inhomogeneous deformation states. In addition to the degrees of freedom of a classical continuum, the micromorphic model has additional degrees of freedom, introduced here in a phenomenological sense to represent kinematically enriched deformation modes associated with the granular microstructure. Accordingly, the micromorphic fields are not interpreted as a separate physical scale (e.g., “binder” vs. “grains”), but as an effective continuum description at the specimen scale. This contribution addresses parameter identification for a micromorphic model of cold‐box sand, with a clear separation between homogeneous deformation states governing classical elastic parameters and inhomogeneous states required to activate and identify micromorphic length‐scale parameters. The main challenge lies in identifying the micro material parameters. To determine these, the corresponding gradient terms in the constitutive formulation must be triggered via properly tuned experiments. Micro‐parameter identification is demonstrated using synthetic data generated from a boundary‐value problem with inhomogeneous displacement fields. The chosen benchmark enables controlled activation of gradient terms and thereby renders optimization‐based identification of micromorphic parameters feasible. The synthetic example is deliberately chosen to assess feasibility and identifiability under controlled conditions, thereby isolating micromorphic identifiability aspects from experimental uncertainties. The novelty of the contribution lies in explicitly linking micromorphic parameter identifiability to kinematic inhomogeneity, and in demonstrating this link within a tractable forward– inverse setting for a linear‐elastic micromorphic continuum."}],"publication":"Proceedings in Applied Mathematics and Mechanics","language":[{"iso":"eng"}],"year":"2026","issue":"2","quality_controlled":"1","title":"Aspects of Parameter Identification for a Micromorphic Continuum applied to a Cold‐Box Sand","date_created":"2026-04-01T04:52:34Z","publisher":"Wiley"},{"author":[{"first_name":"Jonathan","last_name":"Behm","full_name":"Behm, Jonathan"},{"first_name":"Moritz","last_name":"Ostermann","orcid":"https://orcid.org/0000-0003-1146-0443","id":"44763","full_name":"Ostermann, Moritz"},{"first_name":"Julian","full_name":"Bomm, Julian","last_name":"Bomm"},{"last_name":"Rahmann","full_name":"Rahmann, Sören","first_name":"Sören"},{"id":"553","full_name":"Tröster, Thomas","last_name":"Tröster","first_name":"Thomas"},{"full_name":"Marten, Thorsten","id":"338","orcid":"0009-0001-6433-7839","last_name":"Marten","first_name":"Thorsten"}],"date_created":"2025-05-15T05:57:58Z","publisher":"Springer Fachmedien Wiesbaden","date_updated":"2025-05-15T06:03:45Z","doi":"10.1007/978-3-658-46485-1_36","conference":{"end_date":"2024-06-13","location":"Duisburg","name":"16. Wissenschaftsforum Mobilität","start_date":"2024-06-13"},"title":"Einführungsstrategien nachhaltiger on-demand Mobilitätkonzepte im öffentlichen Nahverkehr","publication_status":"published","publication_identifier":{"isbn":["9783658464844","9783658464851"]},"citation":{"ieee":"J. Behm, M. Ostermann, J. Bomm, S. Rahmann, T. Tröster, and T. Marten, “Einführungsstrategien nachhaltiger on-demand Mobilitätkonzepte im öffentlichen Nahverkehr,” in New Players in Mobility, Wiesbaden: Springer Fachmedien Wiesbaden, 2025.","chicago":"Behm, Jonathan, Moritz Ostermann, Julian Bomm, Sören Rahmann, Thomas Tröster, and Thorsten Marten. “Einführungsstrategien nachhaltiger on-demand Mobilitätkonzepte im öffentlichen Nahverkehr.” In New Players in Mobility. Wiesbaden: Springer Fachmedien Wiesbaden, 2025. https://doi.org/10.1007/978-3-658-46485-1_36.","ama":"Behm J, Ostermann M, Bomm J, Rahmann S, Tröster T, Marten T. Einführungsstrategien nachhaltiger on-demand Mobilitätkonzepte im öffentlichen Nahverkehr. In: New Players in Mobility. Springer Fachmedien Wiesbaden; 2025. doi:10.1007/978-3-658-46485-1_36","apa":"Behm, J., Ostermann, M., Bomm, J., Rahmann, S., Tröster, T., & Marten, T. (2025). Einführungsstrategien nachhaltiger on-demand Mobilitätkonzepte im öffentlichen Nahverkehr. In New Players in Mobility. 16. Wissenschaftsforum Mobilität, Duisburg. Springer Fachmedien Wiesbaden. https://doi.org/10.1007/978-3-658-46485-1_36","bibtex":"@inbook{Behm_Ostermann_Bomm_Rahmann_Tröster_Marten_2025, place={Wiesbaden}, title={Einführungsstrategien nachhaltiger on-demand Mobilitätkonzepte im öffentlichen Nahverkehr}, DOI={10.1007/978-3-658-46485-1_36}, booktitle={New Players in Mobility}, publisher={Springer Fachmedien Wiesbaden}, author={Behm, Jonathan and Ostermann, Moritz and Bomm, Julian and Rahmann, Sören and Tröster, Thomas and Marten, Thorsten}, year={2025} }","mla":"Behm, Jonathan, et al. “Einführungsstrategien nachhaltiger on-demand Mobilitätkonzepte im öffentlichen Nahverkehr.” New Players in Mobility, Springer Fachmedien Wiesbaden, 2025, doi:10.1007/978-3-658-46485-1_36.","short":"J. Behm, M. Ostermann, J. Bomm, S. Rahmann, T. Tröster, T. Marten, in: New Players in Mobility, Springer Fachmedien Wiesbaden, Wiesbaden, 2025."},"place":"Wiesbaden","year":"2025","user_id":"44763","department":[{"_id":"9"},{"_id":"321"},{"_id":"149"}],"_id":"59905","language":[{"iso":"ger"}],"type":"book_chapter","publication":"New Players in Mobility","status":"public","abstract":[{"text":"Um die international und national beschlossenen Klimaziele zu erreichen, müssen die verkehrsbedingten Emissionen in der Bundesrepublik Deutschland drastisch reduziert werden. Hierzu bedarf es einer umfassenden Mobilitätswende, welche die Etablierung emissionsärmerer und effizienterer Mobilitätsformen umfasst. Ein Lösungsansatz können on-demand Dienste bieten, die den öffentlichen Personennahverkehr bedarfsgerecht gestalten und so dessen Akzeptanz steigern. Zahlreiche bisher eingeführte on-demand Dienste mussten jedoch nach Beendigung des Projekt- bzw. Förderzeitraums wieder eingestellt werden. Maßgebliche Herausforderungen waren die Integration der Dienste in die bestehenden ÖPNV- und Mobilitäts-Strukturen sowie teilweise damit einhergehende ökonomische Aspekte. In diesem Beitrag wird eine Methode vorgestellt, welche neben der Einführung neuartiger Mobilitätsdienste auch die Entwicklung eines nachhaltigen Mobilitäts-Ökosystems anstrebt. Der Fokus liegt dabei auf ländlich geprägten Regionen und ihren besonderen Herausforderungen im Bereich des öffentlichen Nahverkehrs. Die Methode beschreibt ein fünf-phasiges Handlungsschema, in welchem Potenziale bestehender Strukturen genutzt, Mobilitäts-Stakeholder eingebunden und verhärtete Mobilitätsverhalten allmählich positiv verändert werden. Anhand der Initiative Neue Mobilität Paderborn wird aufgezeigt, dass mithilfe der Methode erste Schritte hin zu einem Mobilitäts-Ökosystem absolviert werden können. Darüber hinaus werden Einführungsszenarien für die neuartige, sich noch in der Entwicklung befindliche Mobilitätslösung NeMo.bil in einer Beispielregion erarbeitet.","lang":"ger"}]},{"article_number":"147787","language":[{"iso":"eng"}],"_id":"60040","user_id":"72351","department":[{"_id":"9"},{"_id":"321"},{"_id":"149"}],"status":"public","type":"journal_article","publication":"Materials Science and Engineering: A","title":"Enhancing mechanical strength of Ti-6Al-4V sheet material by short-time sub-β-transus solution heat treatment and additional short-time annealing","doi":"10.1016/j.msea.2025.147787","date_updated":"2025-05-27T05:56:52Z","publisher":"Elsevier BV","author":[{"first_name":"Nina","full_name":"Pfeffer, Nina","last_name":"Pfeffer"},{"last_name":"Jäger","full_name":"Jäger, Stefanie Nicole","first_name":"Stefanie Nicole"},{"first_name":"Maximilian Alexander","last_name":"Kaiser","orcid":"0009-0008-1333-3396","id":"72351","full_name":"Kaiser, Maximilian Alexander"},{"full_name":"Meyer, Thomas","last_name":"Meyer","first_name":"Thomas"},{"last_name":"Stark","full_name":"Stark, Andreas","first_name":"Andreas"},{"first_name":"Heinz Werner","full_name":"Höppel, Heinz Werner","last_name":"Höppel"}],"date_created":"2025-05-27T05:39:31Z","volume":926,"year":"2025","citation":{"ieee":"N. Pfeffer, S. N. Jäger, M. A. Kaiser, T. Meyer, A. Stark, and H. W. Höppel, “Enhancing mechanical strength of Ti-6Al-4V sheet material by short-time sub-β-transus solution heat treatment and additional short-time annealing,” Materials Science and Engineering: A, vol. 926, Art. no. 147787, 2025, doi: 10.1016/j.msea.2025.147787.","chicago":"Pfeffer, Nina, Stefanie Nicole Jäger, Maximilian Alexander Kaiser, Thomas Meyer, Andreas Stark, and Heinz Werner Höppel. “Enhancing Mechanical Strength of Ti-6Al-4V Sheet Material by Short-Time Sub-β-Transus Solution Heat Treatment and Additional Short-Time Annealing.” Materials Science and Engineering: A 926 (2025). https://doi.org/10.1016/j.msea.2025.147787.","ama":"Pfeffer N, Jäger SN, Kaiser MA, Meyer T, Stark A, Höppel HW. Enhancing mechanical strength of Ti-6Al-4V sheet material by short-time sub-β-transus solution heat treatment and additional short-time annealing. Materials Science and Engineering: A. 2025;926. doi:10.1016/j.msea.2025.147787","short":"N. Pfeffer, S.N. Jäger, M.A. Kaiser, T. Meyer, A. Stark, H.W. Höppel, Materials Science and Engineering: A 926 (2025).","mla":"Pfeffer, Nina, et al. “Enhancing Mechanical Strength of Ti-6Al-4V Sheet Material by Short-Time Sub-β-Transus Solution Heat Treatment and Additional Short-Time Annealing.” Materials Science and Engineering: A, vol. 926, 147787, Elsevier BV, 2025, doi:10.1016/j.msea.2025.147787.","bibtex":"@article{Pfeffer_Jäger_Kaiser_Meyer_Stark_Höppel_2025, title={Enhancing mechanical strength of Ti-6Al-4V sheet material by short-time sub-β-transus solution heat treatment and additional short-time annealing}, volume={926}, DOI={10.1016/j.msea.2025.147787}, number={147787}, journal={Materials Science and Engineering: A}, publisher={Elsevier BV}, author={Pfeffer, Nina and Jäger, Stefanie Nicole and Kaiser, Maximilian Alexander and Meyer, Thomas and Stark, Andreas and Höppel, Heinz Werner}, year={2025} }","apa":"Pfeffer, N., Jäger, S. N., Kaiser, M. A., Meyer, T., Stark, A., & Höppel, H. W. (2025). Enhancing mechanical strength of Ti-6Al-4V sheet material by short-time sub-β-transus solution heat treatment and additional short-time annealing. Materials Science and Engineering: A, 926, Article 147787. https://doi.org/10.1016/j.msea.2025.147787"},"intvolume":" 926","publication_status":"published","publication_identifier":{"issn":["0921-5093"]}},{"type":"dissertation","status":"public","_id":"59908","department":[{"_id":"148"},{"_id":"9"},{"_id":"321"}],"user_id":"83151","series_title":"Schriftenreihe Kunststofftechnik Paderborn ","keyword":["Infrarotschweißen","Zeitfestigkeit","Polyamide"],"language":[{"iso":"ger"}],"extern":"1","publication_identifier":{"isbn":["978-3-8440-9978-2 "]},"publication_status":"published","year":"2025","place":"Düren","page":"216","citation":{"ieee":"K. Gevers, Zeitfestigkeit von infrarotgeschweißten gefüllten Polyamiden . Düren: Shaker Verlag, 2025.","chicago":"Gevers, Karina. Zeitfestigkeit von infrarotgeschweißten gefüllten Polyamiden . 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ZERSTÖRUNGSFREIE ULTRASCHALLPRÜFUNG VON ORGANOBLECHEN. WAK Jahresmagazin. 2025;2025:26–29.","ieee":"E. Moritzer et al., “ZERSTÖRUNGSFREIE ULTRASCHALLPRÜFUNG VON ORGANOBLECHEN,” WAK Jahresmagazin, vol. 2025, pp. 26–29, 2025.","chicago":"Moritzer, Elmar, Philipp Brandes, Max Siegfried Westphal, Leander Claes, Mareen Wippermann, Julia Düchting, and Bernd Henning. “ZERSTÖRUNGSFREIE ULTRASCHALLPRÜFUNG VON ORGANOBLECHEN.” WAK Jahresmagazin 2025 (2025): 26–29.","apa":"Moritzer, E., Brandes, P., Westphal, M. S., Claes, L., Wippermann, M., Düchting, J., & Henning, B. (2025). ZERSTÖRUNGSFREIE ULTRASCHALLPRÜFUNG VON ORGANOBLECHEN. WAK Jahresmagazin, 2025, 26–29.","bibtex":"@article{Moritzer_Brandes_Westphal_Claes_Wippermann_Düchting_Henning_2025, title={ZERSTÖRUNGSFREIE ULTRASCHALLPRÜFUNG VON ORGANOBLECHEN}, volume={2025}, journal={WAK Jahresmagazin}, author={Moritzer, Elmar and Brandes, Philipp and Westphal, Max Siegfried and Claes, Leander and Wippermann, Mareen and Düchting, Julia and Henning, Bernd}, year={2025}, pages={26–29} }","mla":"Moritzer, Elmar, et al. “ZERSTÖRUNGSFREIE ULTRASCHALLPRÜFUNG VON ORGANOBLECHEN.” WAK Jahresmagazin, vol. 2025, 2025, pp. 26–29.","short":"E. Moritzer, P. Brandes, M.S. Westphal, L. Claes, M. Wippermann, J. Düchting, B. Henning, WAK Jahresmagazin 2025 (2025) 26–29."},"keyword":["Faser-Kunststoff-Verbunde (FKV)","Faserverstärkte Kunststoffe (FVK)","Organobleche","Ultraschall"],"language":[{"iso":"ger"}],"_id":"63440","project":[{"grant_number":"495847374","_id":"157","name":"FaMOUS: Ein ultraschallbasiertes Messverfahren unter Berücksichtigung viskoelastischer Eigenschaften zur Charakterisierung der Faser-Matrix-Haftung bei Organoblechen sowie deren realitätsnahe Modellierung"}],"department":[{"_id":"9"},{"_id":"321"},{"_id":"367"},{"_id":"49"}],"user_id":"11829","status":"public","publication":"WAK Jahresmagazin","type":"journal_article"},{"quality_controlled":"1","year":"2025","date_created":"2025-05-22T09:17:51Z","title":"Igniting Knowledge Management for Assistance Systems in Maintenance: A Method for Knowledge Gathering","publication":"ECIS 2025 Proceedings","file":[{"content_type":"application/pdf","relation":"main_file","date_created":"2026-01-15T15:21:39Z","creator":"askolik","date_updated":"2026-01-29T15:27:29Z","access_level":"open_access","file_id":"63634","file_name":"Igniting Knowledge Management for Assistance Systems in Maintenance.pdf","file_size":721701}],"ddc":["006"],"language":[{"iso":"eng"}],"publication_status":"accepted","has_accepted_license":"1","citation":{"ama":"Skolik AM, zur Heiden P, Donner JAT, Priefer J. Igniting Knowledge Management for Assistance Systems in Maintenance: A Method for Knowledge Gathering. ECIS 2025 Proceedings. 2.","chicago":"Skolik, Alexander Marcus, Philipp zur Heiden, Johannes Aurelius Tamino Donner, and Jennifer Priefer. “Igniting Knowledge Management for Assistance Systems in Maintenance: A Method for Knowledge Gathering.” ECIS 2025 Proceedings 2 (n.d.).","ieee":"A. M. Skolik, P. zur Heiden, J. A. T. Donner, and J. Priefer, “Igniting Knowledge Management for Assistance Systems in Maintenance: A Method for Knowledge Gathering,” ECIS 2025 Proceedings, vol. 2.","apa":"Skolik, A. M., zur Heiden, P., Donner, J. A. T., & Priefer, J. (n.d.). Igniting Knowledge Management for Assistance Systems in Maintenance: A Method for Knowledge Gathering. ECIS 2025 Proceedings, 2.","short":"A.M. Skolik, P. zur Heiden, J.A.T. Donner, J. Priefer, ECIS 2025 Proceedings 2 (n.d.).","mla":"Skolik, Alexander Marcus, et al. “Igniting Knowledge Management for Assistance Systems in Maintenance: A Method for Knowledge Gathering.” ECIS 2025 Proceedings, vol. 2.","bibtex":"@article{Skolik_zur Heiden_Donner_Priefer, title={Igniting Knowledge Management for Assistance Systems in Maintenance: A Method for Knowledge Gathering}, volume={2}, journal={ECIS 2025 Proceedings}, author={Skolik, Alexander Marcus and zur Heiden, Philipp and Donner, Johannes Aurelius Tamino and Priefer, Jennifer} }"},"intvolume":" 2","oa":"1","date_updated":"2026-01-29T15:27:30Z","author":[{"full_name":"Skolik, Alexander Marcus","id":"92908","orcid":"0009-0006-2519-1765","last_name":"Skolik","first_name":"Alexander Marcus"},{"last_name":"zur Heiden","full_name":"zur Heiden, Philipp","id":"64394","first_name":"Philipp"},{"full_name":"Donner, Johannes Aurelius Tamino","id":"72054","orcid":"0009-0007-4757-4393","last_name":"Donner","first_name":"Johannes Aurelius Tamino"},{"last_name":"Priefer","full_name":"Priefer, Jennifer","id":"82872","first_name":"Jennifer"}],"volume":2,"main_file_link":[{"url":"https://aisel.aisnet.org/ecis2025/ent_system/ent_system/2/"}],"conference":{"name":"Thirty-Third European Conference on Information Systems (ECIS 2025)","location":"Amman, Jordan"},"type":"journal_article","status":"public","_id":"60017","user_id":"92908","department":[{"_id":"876"},{"_id":"321"},{"_id":"526"},{"_id":"534"}],"article_type":"original","file_date_updated":"2026-01-29T15:27:29Z"},{"language":[{"iso":"eng"}],"keyword":["Faser-Kunststoff-Verbunde (FKV)","Faserverstärkte Kunststoffe (FVK)","Organobleche"],"user_id":"82882","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"}],"_id":"63437","status":"public","type":"conference","publication":"24th International Conference on Composite Materials (ICCM24)","doi":"https://doi.org/10.5281/zenodo.18597865","title":"Validation of Possible Applications of Flake Laminates for Recycling of PA6-CF Production Scrap","date_created":"2026-01-05T08:42:54Z","author":[{"first_name":"Johanna","id":"82882","full_name":"Beckmann, Johanna","last_name":"Beckmann"},{"first_name":"Andre","last_name":"Bachmann","full_name":"Bachmann, Andre"},{"full_name":"Brandes, Philipp","id":"70091","last_name":"Brandes","orcid":"0009-0005-9707-0885","first_name":"Philipp"},{"first_name":"Thorsten","id":"338","full_name":"Marten, Thorsten","last_name":"Marten","orcid":"0009-0001-6433-7839"},{"first_name":"Thomas","last_name":"Tröster","full_name":"Tröster, Thomas","id":"553"},{"full_name":"Moritzer, Elmar","id":"20531","last_name":"Moritzer","first_name":"Elmar"}],"date_updated":"2026-02-16T14:47:34Z","publisher":"The University of Delaware","citation":{"apa":"Beckmann, J., Bachmann, A., Brandes, P., Marten, T., Tröster, T., & Moritzer, E. (2025). Validation of Possible Applications of Flake Laminates for Recycling of PA6-CF Production Scrap. 24th International Conference on Composite Materials (ICCM24). https://doi.org/10.5281/zenodo.18597865","mla":"Beckmann, Johanna, et al. “Validation of Possible Applications of Flake Laminates for Recycling of PA6-CF Production Scrap.” 24th International Conference on Composite Materials (ICCM24), The University of Delaware, 2025, doi:https://doi.org/10.5281/zenodo.18597865.","short":"J. Beckmann, A. Bachmann, P. Brandes, T. Marten, T. Tröster, E. Moritzer, in: 24th International Conference on Composite Materials (ICCM24), The University of Delaware, 2025.","bibtex":"@inproceedings{Beckmann_Bachmann_Brandes_Marten_Tröster_Moritzer_2025, title={Validation of Possible Applications of Flake Laminates for Recycling of PA6-CF Production Scrap}, DOI={https://doi.org/10.5281/zenodo.18597865}, booktitle={24th International Conference on Composite Materials (ICCM24)}, publisher={The University of Delaware}, author={Beckmann, Johanna and Bachmann, Andre and Brandes, Philipp and Marten, Thorsten and Tröster, Thomas and Moritzer, Elmar}, year={2025} }","chicago":"Beckmann, Johanna, Andre Bachmann, Philipp Brandes, Thorsten Marten, Thomas Tröster, and Elmar Moritzer. “Validation of Possible Applications of Flake Laminates for Recycling of PA6-CF Production Scrap.” In 24th International Conference on Composite Materials (ICCM24). The University of Delaware, 2025. https://doi.org/10.5281/zenodo.18597865.","ieee":"J. Beckmann, A. Bachmann, P. Brandes, T. Marten, T. Tröster, and E. Moritzer, “Validation of Possible Applications of Flake Laminates for Recycling of PA6-CF Production Scrap,” 2025, doi: https://doi.org/10.5281/zenodo.18597865.","ama":"Beckmann J, Bachmann A, Brandes P, Marten T, Tröster T, Moritzer E. Validation of Possible Applications of Flake Laminates for Recycling of PA6-CF Production Scrap. In: 24th International Conference on Composite Materials (ICCM24). The University of Delaware; 2025. doi:https://doi.org/10.5281/zenodo.18597865"},"year":"2025"},{"oa":"1","date_updated":"2026-02-20T12:49:17Z","publisher":"Informa UK Limited","date_created":"2025-01-13T08:16:46Z","author":[{"full_name":"Wu, Shuang","id":"48039","orcid":"0000-0001-8645-9952","last_name":"Wu","first_name":"Shuang"},{"last_name":"Delp","full_name":"Delp, Alexander","first_name":"Alexander"},{"first_name":"Jonathan","last_name":"Freund","full_name":"Freund, Jonathan"},{"first_name":"Frank","last_name":"Walther","full_name":"Walther, Frank"},{"last_name":"Haubrich","full_name":"Haubrich, Jan","first_name":"Jan"},{"full_name":"Löbbecke, Miriam","last_name":"Löbbecke","first_name":"Miriam"},{"first_name":"Thomas","full_name":"Tröster, Thomas","id":"553","last_name":"Tröster"}],"title":"Correlation between interlaminar shear strength of CFRP and joint strength of aluminium-CFRP hybrid joints","doi":"10.1080/00218464.2024.2439956","main_file_link":[{"url":"https://www.tandfonline.com/doi/full/10.1080/00218464.2024.2439956?src=","open_access":"1"}],"quality_controlled":"1","publication_identifier":{"issn":["0021-8464","1545-5823"]},"publication_status":"published","year":"2025","page":"1-26","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.","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","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","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.","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."},"_id":"58163","department":[{"_id":"321"},{"_id":"149"},{"_id":"9"}],"user_id":"48039","keyword":["Prepreg pressing process","hybrid joints","laser surface pretreatment","intrinsic manufacturing","CFRP","aluminium","materials engineering"],"article_type":"original","language":[{"iso":"eng"}],"publication":"The Journal of Adhesion","type":"journal_article","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."}],"status":"public"},{"publication_status":"published","intvolume":" 408","citation":{"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} }","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.","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).","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","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.","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."},"oa":"1","date_updated":"2026-02-24T13:41:58Z","volume":408,"author":[{"first_name":"Moritz","full_name":"Neuser, Moritz","id":"32340","last_name":"Neuser"},{"first_name":"Malte Christian","id":"61977","full_name":"Schlichter, Malte Christian","last_name":"Schlichter"},{"last_name":"Hoyer","id":"48411","full_name":"Hoyer, Kay-Peter","first_name":"Kay-Peter"},{"first_name":"Mathias","last_name":"Bobbert","full_name":"Bobbert, Mathias","id":"7850"},{"first_name":"Gerson","id":"32056","full_name":"Meschut, Gerson","orcid":"0000-0002-2763-1246","last_name":"Meschut"},{"first_name":"Mirko","id":"43720","full_name":"Schaper, Mirko","last_name":"Schaper"}],"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)"},"main_file_link":[{"url":"\thttps://doi.org/10.1051/matecconf/202540801081","open_access":"1"}],"type":"journal_article","status":"public","_id":"59872","project":[{"_id":"131","name":"TRR 285 - A: TRR 285 - Project Area A"},{"name":"TRR 285 – A02: TRR 285 - Subproject A02","_id":"136"},{"name":"TRR 285 – A01: TRR 285 - Subproject A01","_id":"135"},{"name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"department":[{"_id":"43"},{"_id":"158"},{"_id":"157"},{"_id":"9"},{"_id":"321"}],"user_id":"7850","article_type":"original","article_number":"01081","quality_controlled":"1","year":"2025","date_created":"2025-05-12T15:21:06Z","title":"Mechanical joinability of microstructurally graded structural components manufactured from hypoeutectic aluminium casting alloys","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"}],"keyword":["Joining","Casting","Self-pierce riveting","Aluminium casting alloy"],"language":[{"iso":"eng"}]},{"language":[{"iso":"eng"}],"user_id":"76837","department":[{"_id":"149"},{"_id":"9"},{"_id":"321"}],"project":[{"_id":"140","name":"TRR 285 – B01: TRR 285 - Subproject B01"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"name":"TRR 285: Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"_id":"59441","status":"public","abstract":[{"lang":"eng","text":"Abstract. Accurate Finite Element Modeling (FEM) of joints is essential in the design of complex mechanical systems such as automotive body-in-white (BIW) structures, as it plays a critical role in evaluating their performance. Although well-established techniques exist for modeling rotationally symmetric joints, there remains a significant gap in effectively modeling non-rotationally symmetric joints. These joints are particularly relevant in the automotive BIW, where they can better accommodate anisotropic loading conditions. In this study, strategies for modeling non-rotationally symmetric joints were explored using finite element simulations in LS-DYNA. The findings demonstrate that discrete beam elements can capture the anisotropic characteristics of such joints. Two models were tested: a single-beam model for stiffness periodicity every 90°, and a three-beam model for stiffness periodicity every 120°. Force responses, stress distribution, and sheet bending behaviors were analyzed, confirming that discrete beam elements can accurately represent direction-dependent stiffness. These results establish a foundation for developing advanced joint modeling strategies in complex mechanical systems."}],"type":"conference","publication":"Materials Research Proceedings","doi":"10.21741/9781644903551-21","conference":{"start_date":"2025-04-01","name":"21st International conference on sheet metal ","location":"Paderborn","end_date":"2025-04-03"},"title":"Modelling strategies for non-rotationally symmetric joints","author":[{"last_name":"Devulapally","full_name":"Devulapally, Deekshith Reddy","id":"76837","first_name":"Deekshith Reddy"},{"first_name":"Thomas","last_name":"Tröster","full_name":"Tröster, Thomas","id":"553"}],"date_created":"2025-04-08T14:57:51Z","volume":52,"date_updated":"2026-02-27T10:50:10Z","publisher":"Materials Research Forum LLC","citation":{"ieee":"D. R. Devulapally and T. Tröster, “Modelling strategies for non-rotationally symmetric joints,” in Materials Research Proceedings, Paderborn, 2025, vol. 52, doi: 10.21741/9781644903551-21.","chicago":"Devulapally, Deekshith Reddy, and Thomas Tröster. “Modelling Strategies for Non-Rotationally Symmetric Joints.” In Materials Research Proceedings, Vol. 52. Materials Research Forum LLC, 2025. https://doi.org/10.21741/9781644903551-21.","apa":"Devulapally, D. R., & Tröster, T. (2025). Modelling strategies for non-rotationally symmetric joints. Materials Research Proceedings, 52. https://doi.org/10.21741/9781644903551-21","ama":"Devulapally DR, Tröster T. Modelling strategies for non-rotationally symmetric joints. In: Materials Research Proceedings. Vol 52. Materials Research Forum LLC; 2025. doi:10.21741/9781644903551-21","short":"D.R. Devulapally, T. Tröster, in: Materials Research Proceedings, Materials Research Forum LLC, 2025.","bibtex":"@inproceedings{Devulapally_Tröster_2025, title={Modelling strategies for non-rotationally symmetric joints}, volume={52}, DOI={10.21741/9781644903551-21}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Devulapally, Deekshith Reddy and Tröster, Thomas}, year={2025} }","mla":"Devulapally, Deekshith Reddy, and Thomas Tröster. “Modelling Strategies for Non-Rotationally Symmetric Joints.” Materials Research Proceedings, vol. 52, Materials Research Forum LLC, 2025, doi:10.21741/9781644903551-21."},"intvolume":" 52","year":"2025","publication_status":"published","publication_identifier":{"issn":["2474-395X"]}}]