[{"file":[{"access_level":"closed","file_id":"57470","file_name":"crystals-14-01001-v2 (4).pdf","file_size":5779744,"date_created":"2024-11-28T08:52:48Z","creator":"dlehnert","date_updated":"2024-11-28T08:52:48Z","relation":"main_file","success":1,"content_type":"application/pdf"}],"abstract":[{"lang":"eng","text":"<jats:p>Additive manufacturing of metallic components often results in the formation of columnar grain structures aligned along the build direction. These elongated grains can introduce anisotropy, negatively impacting the mechanical properties of the components. This study aimed to achieve controlled solidification with a fine-grained microstructure to enhance the mechanical performance of printed parts. Stainless steel 316L was used as the test material. High-intensity ultrasound was applied during the direct energy deposition (DED) process to inhibit the formation of columnar grains. The investigation emphasized the importance of amplitude changes of the ultrasound wave as the system’s geometry continuously evolves with the addition of multiple layers and assessed how these changes influence the grain size and distribution. Initial tests revealed significant amplitude fluctuations during layer deposition, highlighting the impact of layer deposition on process uniformity. The mechanical results demonstrated that the application of ultrasound effectively refined the grain structure, leading to a 15% increase in tensile strength compared to conventionally additively manufactured samples.</jats:p>"}],"publication":"Crystals","language":[{"iso":"eng"}],"ddc":["670"],"year":"2024","issue":"11","quality_controlled":"1","title":"The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component","date_created":"2024-11-28T08:45:06Z","publisher":"MDPI AG","status":"public","type":"journal_article","file_date_updated":"2024-11-28T08:52:48Z","article_number":"1001","user_id":"93904","department":[{"_id":"149"},{"_id":"321"},{"_id":"9"}],"_id":"57467","citation":{"ieee":"D. Lehnert <i>et al.</i>, “The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component,” <i>Crystals</i>, vol. 14, no. 11, Art. no. 1001, 2024, doi: <a href=\"https://doi.org/10.3390/cryst14111001\">10.3390/cryst14111001</a>.","chicago":"Lehnert, Dennis, Christian Bödger, Philipp Pabel, Claus Scheidemann, Tobias Hemsel, Stefan Gnaase, David Kostka, and Thomas Tröster. “The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component.” <i>Crystals</i> 14, no. 11 (2024). <a href=\"https://doi.org/10.3390/cryst14111001\">https://doi.org/10.3390/cryst14111001</a>.","ama":"Lehnert D, Bödger C, Pabel P, et al. The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component. <i>Crystals</i>. 2024;14(11). doi:<a href=\"https://doi.org/10.3390/cryst14111001\">10.3390/cryst14111001</a>","bibtex":"@article{Lehnert_Bödger_Pabel_Scheidemann_Hemsel_Gnaase_Kostka_Tröster_2024, title={The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component}, volume={14}, DOI={<a href=\"https://doi.org/10.3390/cryst14111001\">10.3390/cryst14111001</a>}, number={111001}, journal={Crystals}, publisher={MDPI AG}, author={Lehnert, Dennis and Bödger, Christian and Pabel, Philipp and Scheidemann, Claus and Hemsel, Tobias and Gnaase, Stefan and Kostka, David and Tröster, Thomas}, year={2024} }","mla":"Lehnert, Dennis, et al. “The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component.” <i>Crystals</i>, vol. 14, no. 11, 1001, MDPI AG, 2024, doi:<a href=\"https://doi.org/10.3390/cryst14111001\">10.3390/cryst14111001</a>.","short":"D. Lehnert, C. Bödger, P. Pabel, C. Scheidemann, T. Hemsel, S. Gnaase, D. Kostka, T. Tröster, Crystals 14 (2024).","apa":"Lehnert, D., Bödger, C., Pabel, P., Scheidemann, C., Hemsel, T., Gnaase, S., Kostka, D., &#38; Tröster, T. (2024). The Influence of Ultrasonic Irradiation of a 316L Weld Pool Produced by DED on the Mechanical Properties of the Produced Component. <i>Crystals</i>, <i>14</i>(11), Article 1001. <a href=\"https://doi.org/10.3390/cryst14111001\">https://doi.org/10.3390/cryst14111001</a>"},"intvolume":"        14","publication_status":"published","publication_identifier":{"issn":["2073-4352"]},"has_accepted_license":"1","doi":"10.3390/cryst14111001","author":[{"full_name":"Lehnert, Dennis","id":"90491","last_name":"Lehnert","first_name":"Dennis"},{"full_name":"Bödger, Christian","id":"93904","last_name":"Bödger","first_name":"Christian"},{"last_name":"Pabel","full_name":"Pabel, Philipp","id":"67374","first_name":"Philipp"},{"full_name":"Scheidemann, Claus","id":"38259","last_name":"Scheidemann","first_name":"Claus"},{"id":"210","full_name":"Hemsel, Tobias","last_name":"Hemsel","first_name":"Tobias"},{"first_name":"Stefan","last_name":"Gnaase","id":"25730","full_name":"Gnaase, Stefan"},{"full_name":"Kostka, David","last_name":"Kostka","first_name":"David"},{"first_name":"Thomas","full_name":"Tröster, Thomas","id":"553","last_name":"Tröster"}],"volume":14,"date_updated":"2026-02-23T08:07:37Z"},{"author":[{"full_name":"Devulapally, Deekshith Reddy","id":"76837","last_name":"Devulapally","first_name":"Deekshith Reddy"},{"last_name":"Martin","full_name":"Martin, Sven","id":"38177","first_name":"Sven"},{"id":"553","full_name":"Tröster, Thomas","last_name":"Tröster","first_name":"Thomas"}],"date_created":"2024-08-19T08:29:22Z","date_updated":"2026-02-27T10:50:30Z","oa":"1","publisher":"Materials Research Forum LLC","main_file_link":[{"open_access":"1"}],"doi":"10.21741/9781644903131-183","title":"Non-rotationally symmetric joints – Mechanisms and load bearing capacity","publication_status":"published","publication_identifier":{"issn":["2474-395X"]},"citation":{"ieee":"D. R. Devulapally, S. Martin, and T. Tröster, “Non-rotationally symmetric joints – Mechanisms and load bearing capacity,” 2024, doi: <a href=\"https://doi.org/10.21741/9781644903131-183\">10.21741/9781644903131-183</a>.","chicago":"Devulapally, Deekshith Reddy, Sven Martin, and Thomas Tröster. “Non-Rotationally Symmetric Joints – Mechanisms and Load Bearing Capacity.” In <i>Materials Research Proceedings</i>. Materials Research Forum LLC, 2024. <a href=\"https://doi.org/10.21741/9781644903131-183\">https://doi.org/10.21741/9781644903131-183</a>.","ama":"Devulapally DR, Martin S, Tröster T. Non-rotationally symmetric joints – Mechanisms and load bearing capacity. In: <i>Materials Research Proceedings</i>. Materials Research Forum LLC; 2024. doi:<a href=\"https://doi.org/10.21741/9781644903131-183\">10.21741/9781644903131-183</a>","apa":"Devulapally, D. R., Martin, S., &#38; Tröster, T. (2024). Non-rotationally symmetric joints – Mechanisms and load bearing capacity. <i>Materials Research Proceedings</i>. <a href=\"https://doi.org/10.21741/9781644903131-183\">https://doi.org/10.21741/9781644903131-183</a>","short":"D.R. Devulapally, S. Martin, T. Tröster, in: Materials Research Proceedings, Materials Research Forum LLC, 2024.","mla":"Devulapally, Deekshith Reddy, et al. “Non-Rotationally Symmetric Joints – Mechanisms and Load Bearing Capacity.” <i>Materials Research Proceedings</i>, Materials Research Forum LLC, 2024, doi:<a href=\"https://doi.org/10.21741/9781644903131-183\">10.21741/9781644903131-183</a>.","bibtex":"@inproceedings{Devulapally_Martin_Tröster_2024, title={Non-rotationally symmetric joints – Mechanisms and load bearing capacity}, DOI={<a href=\"https://doi.org/10.21741/9781644903131-183\">10.21741/9781644903131-183</a>}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Devulapally, Deekshith Reddy and Martin, Sven and Tröster, Thomas}, year={2024} }"},"year":"2024","user_id":"76837","department":[{"_id":"149"},{"_id":"321"},{"_id":"9"}],"project":[{"name":"TRR 285 – B01: TRR 285 - Subproject B01","_id":"140"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"TRR 285:  Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"_id":"55638","language":[{"iso":"eng"}],"type":"conference","publication":"Materials Research Proceedings","status":"public","abstract":[{"lang":"eng","text":"<jats:p>Abstract. Traditionally, joints are cylindrical and rotationally symmetric. In the present study, non-rotationally symmetric joints are used for joining steel and Glass mat-reinforced thermoplastic sheets (GMT). In addition, the study also analyzes the impact of non-rotational symmetric joint rotation on the load-bearing capacity. Single lap joint specimens were fabricated using the In-Mold assembly technique for joining steel sheets with GMT. Tensile shear tests were performed on different orientations of the joint geometry, and it was observed that changing the joint orientation influences the load-bearing capacity. The joints are constitutively modeled using beam elements and the influence of joint rotation on load distribution is examined through a static simulation study. </jats:p>"}]},{"language":[{"iso":"eng"}],"_id":"57540","department":[{"_id":"9"},{"_id":"158"},{"_id":"321"}],"user_id":"48411","abstract":[{"text":"<jats:title>Abstract</jats:title><jats:p>Rolling processes of conventional cast Al-Li alloys quickly reach their limits due to relatively poor material formability. This can be overcome by using twin-roll casting to produce thin sheets. Further thermomechanical treatment, including hot or cold rolling, and heat treatment can adjust the mechanical properties of twin-roll cast Al-Li sheets. The whole manufacturing chain requires detailed knowledge of the precipitation and dissolution behavior during heating, soaking and cooling, to purposefully select any process parameters. This study shows the process chain of a twin-roll cast Al–Cu–Li alloy achieving a hardness of around 180 HV1 by adapting the heat treatment parameters for homogenisation, hot rolling and age hardening. Both hardness and microstructure evolution are visualised along the process chain.</jats:p>","lang":"eng"}],"status":"public","publication":"Production Engineering","type":"journal_article","title":"Process chain of a twin-roll cast aluminium-copper-lithium alloy","doi":"10.1007/s11740-024-01322-x","date_updated":"2024-12-02T13:46:39Z","publisher":"Springer Science and Business Media LLC","date_created":"2024-12-02T13:43:15Z","author":[{"first_name":"Sina","last_name":"Mallow","full_name":"Mallow, Sina"},{"last_name":"Broer","full_name":"Broer, Jette","first_name":"Jette"},{"first_name":"Benjamin","full_name":"Milkereit, Benjamin","last_name":"Milkereit"},{"first_name":"Olexandr","full_name":"Grydin, Olexandr","id":"43822","last_name":"Grydin"},{"first_name":"Kay-Peter","id":"48411","full_name":"Hoyer, Kay-Peter","last_name":"Hoyer"},{"id":"11199","full_name":"Garthe, Kai-Uwe","last_name":"Garthe","orcid":"0000-0003-0741-3812","first_name":"Kai-Uwe"},{"full_name":"Milaege, Dennis","id":"35461","last_name":"Milaege","first_name":"Dennis"},{"first_name":"Viktoriya","last_name":"Boyko","full_name":"Boyko, Viktoriya"},{"id":"43720","full_name":"Schaper, Mirko","last_name":"Schaper","first_name":"Mirko"},{"last_name":"Kessler","full_name":"Kessler, Olaf","first_name":"Olaf"}],"year":"2024","citation":{"ama":"Mallow S, Broer J, Milkereit B, et al. Process chain of a twin-roll cast aluminium-copper-lithium alloy. <i>Production Engineering</i>. Published online 2024. doi:<a href=\"https://doi.org/10.1007/s11740-024-01322-x\">10.1007/s11740-024-01322-x</a>","chicago":"Mallow, Sina, Jette Broer, Benjamin Milkereit, Olexandr Grydin, Kay-Peter Hoyer, Kai-Uwe Garthe, Dennis Milaege, Viktoriya Boyko, Mirko Schaper, and Olaf Kessler. “Process Chain of a Twin-Roll Cast Aluminium-Copper-Lithium Alloy.” <i>Production Engineering</i>, 2024. <a href=\"https://doi.org/10.1007/s11740-024-01322-x\">https://doi.org/10.1007/s11740-024-01322-x</a>.","ieee":"S. Mallow <i>et al.</i>, “Process chain of a twin-roll cast aluminium-copper-lithium alloy,” <i>Production Engineering</i>, 2024, doi: <a href=\"https://doi.org/10.1007/s11740-024-01322-x\">10.1007/s11740-024-01322-x</a>.","bibtex":"@article{Mallow_Broer_Milkereit_Grydin_Hoyer_Garthe_Milaege_Boyko_Schaper_Kessler_2024, title={Process chain of a twin-roll cast aluminium-copper-lithium alloy}, DOI={<a href=\"https://doi.org/10.1007/s11740-024-01322-x\">10.1007/s11740-024-01322-x</a>}, journal={Production Engineering}, publisher={Springer Science and Business Media LLC}, author={Mallow, Sina and Broer, Jette and Milkereit, Benjamin and Grydin, Olexandr and Hoyer, Kay-Peter and Garthe, Kai-Uwe and Milaege, Dennis and Boyko, Viktoriya and Schaper, Mirko and Kessler, Olaf}, year={2024} }","short":"S. Mallow, J. Broer, B. Milkereit, O. Grydin, K.-P. Hoyer, K.-U. Garthe, D. Milaege, V. Boyko, M. Schaper, O. Kessler, Production Engineering (2024).","mla":"Mallow, Sina, et al. “Process Chain of a Twin-Roll Cast Aluminium-Copper-Lithium Alloy.” <i>Production Engineering</i>, Springer Science and Business Media LLC, 2024, doi:<a href=\"https://doi.org/10.1007/s11740-024-01322-x\">10.1007/s11740-024-01322-x</a>.","apa":"Mallow, S., Broer, J., Milkereit, B., Grydin, O., Hoyer, K.-P., Garthe, K.-U., Milaege, D., Boyko, V., Schaper, M., &#38; Kessler, O. (2024). Process chain of a twin-roll cast aluminium-copper-lithium alloy. <i>Production Engineering</i>. <a href=\"https://doi.org/10.1007/s11740-024-01322-x\">https://doi.org/10.1007/s11740-024-01322-x</a>"},"quality_controlled":"1","publication_identifier":{"issn":["0944-6524","1863-7353"]},"publication_status":"published"},{"article_number":"160","department":[{"_id":"9"},{"_id":"952"},{"_id":"321"}],"user_id":"85414","_id":"58309","status":"public","type":"journal_article","doi":"10.3390/app15010160","volume":15,"author":[{"first_name":"Rasoul","full_name":"Najafi Koopas, Rasoul","last_name":"Najafi Koopas"},{"full_name":"Rezaei, Shahed","last_name":"Rezaei","first_name":"Shahed"},{"last_name":"Rauter","full_name":"Rauter, Natalie","first_name":"Natalie"},{"first_name":"Richard","last_name":"Ostwald","full_name":"Ostwald, Richard","id":"106876"},{"last_name":"Lammering","full_name":"Lammering, Rolf","first_name":"Rolf"}],"date_updated":"2025-02-14T10:52:55Z","intvolume":"        15","citation":{"bibtex":"@article{Najafi Koopas_Rezaei_Rauter_Ostwald_Lammering_2024, title={Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties}, volume={15}, DOI={<a href=\"https://doi.org/10.3390/app15010160\">10.3390/app15010160</a>}, number={1160}, journal={Applied Sciences}, publisher={MDPI AG}, author={Najafi Koopas, Rasoul and Rezaei, Shahed and Rauter, Natalie and Ostwald, Richard and Lammering, Rolf}, year={2024} }","mla":"Najafi Koopas, Rasoul, et al. “Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties.” <i>Applied Sciences</i>, vol. 15, no. 1, 160, MDPI AG, 2024, doi:<a href=\"https://doi.org/10.3390/app15010160\">10.3390/app15010160</a>.","short":"R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, R. Lammering, Applied Sciences 15 (2024).","apa":"Najafi Koopas, R., Rezaei, S., Rauter, N., Ostwald, R., &#38; Lammering, R. (2024). Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties. <i>Applied Sciences</i>, <i>15</i>(1), Article 160. <a href=\"https://doi.org/10.3390/app15010160\">https://doi.org/10.3390/app15010160</a>","ama":"Najafi Koopas R, Rezaei S, Rauter N, Ostwald R, Lammering R. Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties. <i>Applied Sciences</i>. 2024;15(1). doi:<a href=\"https://doi.org/10.3390/app15010160\">10.3390/app15010160</a>","ieee":"R. Najafi Koopas, S. Rezaei, N. Rauter, R. Ostwald, and R. Lammering, “Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties,” <i>Applied Sciences</i>, vol. 15, no. 1, Art. no. 160, 2024, doi: <a href=\"https://doi.org/10.3390/app15010160\">10.3390/app15010160</a>.","chicago":"Najafi Koopas, Rasoul, Shahed Rezaei, Natalie Rauter, Richard Ostwald, and Rolf Lammering. “Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties.” <i>Applied Sciences</i> 15, no. 1 (2024). <a href=\"https://doi.org/10.3390/app15010160\">https://doi.org/10.3390/app15010160</a>."},"publication_identifier":{"issn":["2076-3417"]},"publication_status":"published","language":[{"iso":"eng"}],"abstract":[{"lang":"eng","text":"<jats:p>This study evaluates four widely used fracture simulation methods, comparing their computational expenses and implementation complexities within the finite element (FE) framework when employed on heterogeneous solids. Fracture methods considered encompass the intrinsic cohesive zone model (CZM) using zero-thickness cohesive interface elements (CIEs), the standard phase-field fracture (SPFM) approach, the cohesive phase-field fracture (CPFM) approach, and an innovative hybrid model. The hybrid approach combines the CPFM fracture method with the CZM, specifically applying the CZM within the interface zone. The finite element model studied is characterized by three specific phases: inclusions, matrix, and the interface zone. This case study serves as a potential template for meso- or micro-level simulations involving a variety of composite materials. The thorough assessment of these modeling techniques indicates that the CPFM approach stands out as the most effective computational model, provided that the thickness of the interface zone is not significantly smaller than that of the other phases. In materials like concrete, which contain interfaces within their microstructure, the interface thickness is notably small when compared to other phases. This leads to the hybrid model standing as the most authentic finite element model, utilizing CIEs within the interface to simulate interface debonding. A significant finding from this investigation is that within the CPFM method, for a specific interface thickness, convergence with the hybrid model can be observed. This suggests that the CPFM fracture method could serve as a unified fracture approach for multiphase materials when a specific interfacial thickness is used. In addition, this research provides valuable insights that can advance efforts to fine-tune material microstructures. An investigation of the influence of interfacial material properties, voids, and the spatial arrangement of inclusions shows a pronounced effect of these parameters on the fracture toughness of the material.</jats:p>"}],"publication":"Applied Sciences","title":"Comparative Analysis of Phase-Field and Intrinsic Cohesive Zone Models for Fracture Simulations in Multiphase Materials with Interfaces: Investigation of the Influence of the Microstructure on the Fracture Properties","date_created":"2025-01-21T13:48:05Z","publisher":"MDPI AG","year":"2024","issue":"1","quality_controlled":"1"},{"language":[{"iso":"ger"}],"extern":"1","_id":"58981","user_id":"71335","department":[{"_id":"9"},{"_id":"321"},{"_id":"149"}],"abstract":[{"lang":"eng","text":"Die Auslegung von gefügten Bauteilen ermöglicht die Produktion von Strukturbauteilen, welche teils aus sehr vielen Einzelteilen bestehen und durch eine hohe Anzahl von Fügepunkten verbunden sind. Die Eigenschaften der Einzelteile und die Prozessgrößen in der Fertigung unterliegen Schwankungen, die bei der Auslegung berücksichtigt werden müssen. Um diese Bauteile stets nach der Spezifikation zu liefern, werden die Prozesse gewöhnlich über die gesamte Prozesskette überwacht und das Bauteil überdimensioniert. Treten unvorhersehbare Störungen in der Prozesskette auf, kann das Bauteil nicht mehr weiter produziert werden. Entweder muss die Störung im Prozess behoben werden, was nicht immer möglich ist und die schon teils produzierte Charge muss vernichtet werden, oder der Teil der Prozesskette nach der Störung muss angepasst werden. Dies kann z.B. durch eine Änderungskonstruktion, wie der Anpassung der Fügepunktpositionen und der -anzahl, geschehen. In dieser Dissertation wurde eine Auslegungsmethode zur strukturellen elastischen Auslegung punktgefügter Bauteile entwickelt, mit der eine Anpassungskonstruktion, z.B. auf solche Störungen, möglich ist. Diese Methode basiert auf der Ausnutzung des Einflusses von geometrischen Bauteilgrößen, wie z.B. der Bauteildicke und der Fügepunktpositionierung, von veränderten Fügepunkteigenschaften sowie dem Verständnis zwischen Prozessgrößen und den erzeugten Fügepunkteigenschaften."},{"lang":"eng","text":"The design of joined components enables the production of structural components, which consist of many individual parts and are combined by a large number of joining elements. Since the properties of the individual parts and the process parameters in manufacturing can scatter, the deviations must be considered in the design. To always deliver these components according to specification, the processes are usually monitored over the entire process chain and the component is over dimensioned. If unforeseeable disruptions occur in the process chain, the component can no longer be produced. Either the malfunction in the process must be rectified, which is not always possible, and the batch that has already been partially produced must be destroyed, or the part of the process chain after the malfunction needs to be adjusted. This can be done, for example, by changing the design, such as adjusting the joints positions and number. In this PhD thesis, a design method for structural elastic designing of point-joined components was developed. With that method a revised design can be defined, e.g. in order to meet unforeseeable disruptions in the process chain. This method is based on the utilization of the influence of geometric component parameters, such as component thickness and joint positioning, on changed joint properties as well as on the understanding between process parameters and the manufactured joint properties."}],"status":"public","type":"dissertation","title":"Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen","doi":"10.17619/UNIPB/1-2120","publisher":"LibreCat University","date_updated":"2025-03-13T09:36:38Z","author":[{"first_name":"Sven","full_name":"Martin, Sven","id":"38177","last_name":"Martin"}],"supervisor":[{"first_name":"Thomas","full_name":"Tröster, Thomas","id":"553","last_name":"Tröster"},{"first_name":"Alexander","last_name":"Brosius","full_name":"Brosius, Alexander"}],"date_created":"2025-03-13T09:28:13Z","year":"2024","place":"Paderborn","citation":{"ama":"Martin S. <i>Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen</i>. LibreCat University; 2024. doi:<a href=\"https://doi.org/10.17619/UNIPB/1-2120\">10.17619/UNIPB/1-2120</a>","chicago":"Martin, Sven. <i>Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen</i>. Paderborn: LibreCat University, 2024. <a href=\"https://doi.org/10.17619/UNIPB/1-2120\">https://doi.org/10.17619/UNIPB/1-2120</a>.","ieee":"S. Martin, <i>Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen</i>. Paderborn: LibreCat University, 2024.","apa":"Martin, S. (2024). <i>Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen</i>. LibreCat University. <a href=\"https://doi.org/10.17619/UNIPB/1-2120\">https://doi.org/10.17619/UNIPB/1-2120</a>","short":"S. Martin, Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen, LibreCat University, Paderborn, 2024.","bibtex":"@book{Martin_2024, place={Paderborn}, title={Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen}, DOI={<a href=\"https://doi.org/10.17619/UNIPB/1-2120\">10.17619/UNIPB/1-2120</a>}, publisher={LibreCat University}, author={Martin, Sven}, year={2024} }","mla":"Martin, Sven. <i>Holistische Methode zur elastischen Auslegung von geclinchten Bauteilen</i>. LibreCat University, 2024, doi:<a href=\"https://doi.org/10.17619/UNIPB/1-2120\">10.17619/UNIPB/1-2120</a>."},"page":"153","publication_status":"published"},{"citation":{"bibtex":"@inproceedings{Ostermann_Marten_Tröster_2024, place={Sendai, Japan}, title={Prospective Life Cycle Assessment of Lightweight Structures in Vehicles for On-Demand Mobility Systems}, booktitle={16th Biennial International Conference on EcoBalance}, author={Ostermann, Moritz and Marten, Thorsten and Tröster, Thomas}, year={2024} }","mla":"Ostermann, Moritz, et al. “Prospective Life Cycle Assessment of Lightweight Structures in Vehicles for On-Demand Mobility Systems.” <i>16th Biennial International Conference on EcoBalance</i>, 2024.","short":"M. Ostermann, T. Marten, T. Tröster, in: 16th Biennial International Conference on EcoBalance, Sendai, Japan, 2024.","apa":"Ostermann, M., Marten, T., &#38; Tröster, T. (2024). 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Ambossfreies Ultraschallschweißen für nur einseitig zugängliche Schweißsituationen. <i>DVS Sitzung FA11 - Kunststofffügen</i>."},"title":"Ambossfreies Ultraschallschweißen für nur einseitig zugängliche Schweißsituationen","publisher":"DVS","date_updated":"2025-03-27T10:49:11Z","date_created":"2025-03-26T16:08:48Z","author":[{"id":"20530","full_name":"Schöppner, Volker","last_name":"Schöppner","first_name":"Volker"},{"id":"45302","full_name":"Arndt, Theresa","last_name":"Arndt","first_name":"Theresa"}]},{"language":[{"iso":"eng"}],"department":[{"_id":"9"},{"_id":"321"},{"_id":"367"}],"user_id":"59363","_id":"59156","status":"public","publication":"DVS Sitzung FA11 - Kunststofffügen","type":"conference_abstract","title":"Werkstoffgerechte Auslegung von Direktverschraubungen in SMC/BMC Bauteilen","date_created":"2025-03-26T15:38:05Z","author":[{"full_name":"Moritzer, Elmar","id":"20531","last_name":"Moritzer","first_name":"Elmar"},{"last_name":"Held","full_name":"Held, Christian","id":"40647","first_name":"Christian"}],"date_updated":"2025-03-27T10:34:41Z","publisher":"DVS","citation":{"bibtex":"@inproceedings{Moritzer_Held_2024, place={Lippstadt}, title={Werkstoffgerechte Auslegung von Direktverschraubungen in SMC/BMC Bauteilen}, booktitle={DVS Sitzung FA11 - Kunststofffügen}, publisher={DVS}, author={Moritzer, Elmar and Held, Christian}, year={2024} }","mla":"Moritzer, Elmar, and Christian Held. “Werkstoffgerechte Auslegung von Direktverschraubungen in SMC/BMC Bauteilen.” <i>DVS Sitzung FA11 - Kunststofffügen</i>, DVS, 2024.","short":"E. Moritzer, C. Held, in: DVS Sitzung FA11 - Kunststofffügen, DVS, Lippstadt, 2024.","apa":"Moritzer, E., &#38; Held, C. (2024). Werkstoffgerechte Auslegung von Direktverschraubungen in SMC/BMC Bauteilen. <i>DVS Sitzung FA11 - Kunststofffügen</i>.","chicago":"Moritzer, Elmar, and Christian Held. “Werkstoffgerechte Auslegung von Direktverschraubungen in SMC/BMC Bauteilen.” In <i>DVS Sitzung FA11 - Kunststofffügen</i>. Lippstadt: DVS, 2024.","ieee":"E. Moritzer and C. Held, “Werkstoffgerechte Auslegung von Direktverschraubungen in SMC/BMC Bauteilen,” 2024.","ama":"Moritzer E, Held C. Werkstoffgerechte Auslegung von Direktverschraubungen in SMC/BMC Bauteilen. In: <i>DVS Sitzung FA11 - Kunststofffügen</i>. DVS; 2024."},"year":"2024","place":"Lippstadt"},{"title":"Influence of the screw dome geometry on the mechanical strength of direct screw fastened SMC/BMC components","date_updated":"2025-03-27T10:43:44Z","date_created":"2025-03-25T12:21:02Z","author":[{"first_name":"Elmar","last_name":"Moritzer","full_name":"Moritzer, Elmar","id":"20531"},{"first_name":"Christian","last_name":"Held","id":"40647","full_name":"Held, Christian"}],"place":"Rhodos","year":"2024","citation":{"apa":"Moritzer, E., &#38; Held, C. (2024). Influence of the screw dome geometry on the mechanical strength of direct screw fastened SMC/BMC components. <i>77th Annual Assembly of the International Institute of Welding</i>.","bibtex":"@inproceedings{Moritzer_Held_2024, place={Rhodos}, title={Influence of the screw dome geometry on the mechanical strength of direct screw fastened SMC/BMC components}, booktitle={77th Annual Assembly of the International Institute of Welding}, author={Moritzer, Elmar and Held, Christian}, year={2024} }","short":"E. Moritzer, C. Held, in: 77th Annual Assembly of the International Institute of Welding, Rhodos, 2024.","mla":"Moritzer, Elmar, and Christian Held. “Influence of the Screw Dome Geometry on the Mechanical Strength of Direct Screw Fastened SMC/BMC Components.” <i>77th Annual Assembly of the International Institute of Welding</i>, 2024.","ama":"Moritzer E, Held C. Influence of the screw dome geometry on the mechanical strength of direct screw fastened SMC/BMC components. In: <i>77th Annual Assembly of the International Institute of Welding</i>. ; 2024.","chicago":"Moritzer, Elmar, and Christian Held. “Influence of the Screw Dome Geometry on the Mechanical Strength of Direct Screw Fastened SMC/BMC Components.” In <i>77th Annual Assembly of the International Institute of Welding</i>. Rhodos, 2024.","ieee":"E. Moritzer and C. Held, “Influence of the screw dome geometry on the mechanical strength of direct screw fastened SMC/BMC components,” 2024."},"language":[{"iso":"eng"}],"_id":"59139","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"}],"user_id":"59363","status":"public","publication":"77th Annual Assembly of the International Institute of Welding","type":"conference"},{"title":"Inline Plasmavorbehandlung im Mehrkomponentenspritzgießen - InMould-Plasma","date_updated":"2025-03-27T10:51:00Z","author":[{"first_name":"Elmar","last_name":"Moritzer","full_name":"Moritzer, Elmar","id":"20531"},{"id":"62033","full_name":"Rauen, Dennis","last_name":"Rauen","first_name":"Dennis"}],"date_created":"2025-03-25T10:56:14Z","place":"Wiesbaden","year":"2024","citation":{"mla":"Moritzer, Elmar, and Dennis Rauen. “Inline Plasmavorbehandlung Im Mehrkomponentenspritzgießen - InMould-Plasma.” <i>VDI-Jahrestagung Spritzgießen</i>, 2024.","bibtex":"@inproceedings{Moritzer_Rauen_2024, place={Wiesbaden}, title={Inline Plasmavorbehandlung im Mehrkomponentenspritzgießen - InMould-Plasma}, booktitle={VDI-Jahrestagung Spritzgießen}, author={Moritzer, Elmar and Rauen, Dennis}, year={2024} }","short":"E. Moritzer, D. Rauen, in: VDI-Jahrestagung Spritzgießen, Wiesbaden, 2024.","apa":"Moritzer, E., &#38; Rauen, D. (2024). Inline Plasmavorbehandlung im Mehrkomponentenspritzgießen - InMould-Plasma. <i>VDI-Jahrestagung Spritzgießen</i>.","chicago":"Moritzer, Elmar, and Dennis Rauen. “Inline Plasmavorbehandlung Im Mehrkomponentenspritzgießen - InMould-Plasma.” In <i>VDI-Jahrestagung Spritzgießen</i>. Wiesbaden, 2024.","ieee":"E. Moritzer and D. Rauen, “Inline Plasmavorbehandlung im Mehrkomponentenspritzgießen - InMould-Plasma,” 2024.","ama":"Moritzer E, Rauen D. Inline Plasmavorbehandlung im Mehrkomponentenspritzgießen - InMould-Plasma. In: <i>VDI-Jahrestagung Spritzgießen</i>. ; 2024."},"language":[{"iso":"eng"}],"_id":"59136","user_id":"59363","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"}],"status":"public","type":"conference","publication":"VDI-Jahrestagung Spritzgießen"},{"date_updated":"2025-03-27T10:56:02Z","volume":2024,"author":[{"id":"20531","full_name":"Moritzer, Elmar","last_name":"Moritzer","first_name":"Elmar"},{"full_name":"Elsner, Christian Lennart","id":"70729","last_name":"Elsner","first_name":"Christian Lennart"},{"first_name":"Maximilian Karl Franz","last_name":"Salm","id":"57929","full_name":"Salm, Maximilian Karl Franz"}],"date_created":"2025-03-25T10:18:06Z","title":"Wie der Füllstoffvolumenanteil die Materialeigenschaften beeinflusst","year":"2024","intvolume":"      2024","citation":{"mla":"Moritzer, Elmar, et al. “Wie Der Füllstoffvolumenanteil Die Materialeigenschaften Beeinflusst.” <i>Plastverarbeiter</i>, vol. 2024, 2024.","short":"E. Moritzer, C.L. Elsner, M.K.F. Salm, Plastverarbeiter 2024 (2024).","bibtex":"@article{Moritzer_Elsner_Salm_2024, title={Wie der Füllstoffvolumenanteil die Materialeigenschaften beeinflusst}, volume={2024}, journal={Plastverarbeiter}, author={Moritzer, Elmar and Elsner, Christian Lennart and Salm, Maximilian Karl Franz}, year={2024} }","apa":"Moritzer, E., Elsner, C. L., &#38; Salm, M. K. F. (2024). Wie der Füllstoffvolumenanteil die Materialeigenschaften beeinflusst. <i>Plastverarbeiter</i>, <i>2024</i>.","chicago":"Moritzer, Elmar, Christian Lennart Elsner, and Maximilian Karl Franz Salm. “Wie Der Füllstoffvolumenanteil Die Materialeigenschaften Beeinflusst.” <i>Plastverarbeiter</i> 2024 (2024).","ieee":"E. Moritzer, C. L. Elsner, and M. K. F. Salm, “Wie der Füllstoffvolumenanteil die Materialeigenschaften beeinflusst,” <i>Plastverarbeiter</i>, vol. 2024, 2024.","ama":"Moritzer E, Elsner CL, Salm MKF. Wie der Füllstoffvolumenanteil die Materialeigenschaften beeinflusst. <i>Plastverarbeiter</i>. 2024;2024."},"_id":"59131","department":[{"_id":"9"},{"_id":"321"},{"_id":"624"},{"_id":"367"}],"user_id":"59363","keyword":["Compoundieren","Fused Filament Fabrication"],"language":[{"iso":"eng"}],"publication":"Plastverarbeiter","type":"journal_article","abstract":[{"lang":"eng","text":"Füllstoffe erhöhen die Wärmeleitfähigkeit von im Fused Filament Fabrication (FFF) Verfahren hergestellten Strukturen. Neben der Füllstoffart ist dabei der Füllstoffvolumenanteil relevant. Der maximal verarbeitbare Füllstoffanteil ist hier gegenüber vergleichbaren Spritzgussmaterialien reduziert. An der Kunststofftechnik Paderborn (KTP) wurde untersucht, welchen Einfluss spezifische Füllstoffe auf die Materialeigenschaften haben. Die additive Fertigung (AM) gewinnt durch stetig steigende Anforderungen an die Bauteilkomplexität und Fertigungsflexibilität nicht nur im Prototypenbau an Bedeutung [1]. Eines der am weitesten verbreiteten additiven Fertigungsverfahren ist dabei das Fused Filament Fabrication (FFF) Verfahren [2]. Bei diesem Verfahren wird ein Kunststofffilament in eine temperierte Düse gefördert, dort aufgeschmolzen und in einer charakteristischen, näherungsweise elliptischen Stranggeometrie ausgetragen. Durch die Verfahrbewegung der Plastifiziereinheit und der Bauplattform können dreidimensionale Strukturen gefertigt werden [3]. Das FFF-Verfahren zeichnet sich unter anderem durch die Verarbeitung einer großen Bandbreite an thermoplastischen Kunststoffen aus [4]. Dies ermöglicht eine anwendungsspezifische Materialauswahl. In diesem Zusammenhang stellt auch die Modifizierung mit Füllstoffen eine Möglichkeit dar, die Materialeigenschaften gezielt einzustellen. Die Füllstoffe können dabei nach dem jeweiligen Aspektverhältnis in Kugeln, Plättchen oder Fasern unterteilt werden [5]. Die Steigerung der Wärmeleitfähigkeit von im FFF-Verfahren hergestellten Strukturen ist aktuell Stand der Forschung, gewinnt jedoch vor dem Hintergrund der aktuellen Herausforderungen, z. B. in der Elektrotechnik, an Bedeutung [6]. Die Kunststofftechnik Paderborn (KTP) befasst sich am Direct Manufacturing Research Center (DMRC) – Academic derzeit mit der Entwicklung und Verarbeitung wärmeleitfähiger Kunststoffe für das FFF-Verfahren. Der Fokus liegt dabei auf den material- und prozessseitigen Einflüssen auf die Materialeigenschaften. Für die Erzielung hoher Wärmeleitfähigkeiten sind dabei die Wahl der Füllstoffart und des Füllstoffvolumenanteils hervorzuheben. Kenntnisse über die Auswirkungen der Füllstoffzugabe und dem Zusammenspiel zwischen den mechanischen Eigenschaften und der Wärmeleitfähigkeit sind für die anwendungsgerechte Bauteilauslegung essenziell. Das Vorgehen Zur Analyse der Wärmeleitfähigkeit wurde eine am DMRC – Academic entwickelte Methode verwendet. Diese basiert auf der Fertigung von zylindrischen Probekörpern, welche im FFF-Verfahren entlang der Längsachse parallel zu den drei Koordinatenrichtungen X, Y und Z orientiert gefertigt werden. Im Anschluss werden die Probekörper spanend auf das für die Messung erforderliche Maß nachbearbeitet. Dadurch können fertigungsbedingte Einflüsse auf die Geometrie und Oberflächengüte reduziert und damit die Messgenauigkeit erhöht werden (Bild 2). Durch die Fertigung von drei unterschiedlichen Orientierungen kann weiterhin eine resultierende Anisotropie bewertet werden. Die auf einem Doppelschneckenextruder (Thermo Fisher Process11) hergestellten Filamente wurden nachfolgend mit einem Gewo HTP260 (Gewo Feinmechanik) verarbeitet. Die entsprechenden FFF-Prozessparameter sind in Tabelle 1 dargestellt. Dabei ist anzumerken, dass eine Bauraumtemperierung im Allgemeinen und der auf 120 °C beheizte Bauraum für die Verarbeitung der betrachteten Materialien im Speziellen zur prozesssicheren FFF-Fertigung unerlässlich sind. Die Analyse der Wärmeleitfähigkeit erfolgte schließlich mittels der Laser-Flash-Analyse (LFA) (Netzsch LFA 467 HyperFlash) entsprechend der DIN EN ISO 22007-4 [7]. Für die Bewertung der mechanischen Eigenschaften wurden Probekörper entsprechend der DIN EN ISO 527-2 Typ 1BA unter Verwendung einer Kolben-Spritzgussmaschine (Thermo Fisher Mini Jet Pro) gefertigt und mit einer Zugprüfmaschine (Zwick/Roell ProLine Z 010) geprüft, um den grundlegenden Füllstoffeinfluss bewerten zu können [8]. Für die Untersuchungen wurde ein Kunststoff-Compound basierend auf Polybutylenterephthalat (PBT) ohne (PBTx) und mit (PBTxa) Verarbeitungshilfe verwendet. Als Füllstoffe kamen zwei wärmeleitfähige plättchenförmige Füllstoffe (Bezeichnung: F1 und F2) zur Anwendung, welche einen mittleren Partikeldurchmesser (d50) für F1 von 5,0 µm und für F2 von 7,9 µm aufweisen. Ergebnisse der Zugversuche Die Auswertung der mechanischen Eigenschaften zeigt den Einfluss des Füllstoffvolumenanteils anhand des Elastizitätsmoduls und der Bruchdehnung auf (Bild 3). Die resultierende Festigkeit wird durch die geringe Verstärkungswirkung der Plättchen hingegen nur geringfügig beeinflusst und ist folglich nicht gesondert aufgeführt. Im Gegensatz dazu erhöht sich die Steifigkeit mit steigendem Füllstoffvolumenanteil, was auf den erhöhten E-Modul der Füllstoffe gegenüber der Kunststoffmatrix zurückzuführen ist. So kann durch die Füllstoffzugabe mit einem Volumenanteil in Höhe von 22 {%} der E-Modul für das Material PBTxa-F1 gegenüber der reinen Kunststoffmatrix um den Faktor 2,7 gesteigert werden. Hingegen nimmt die Bruchdehnung mit steigendem Füllstoffvolumenanteil ab. Diese mit dem Volumenanteil positiv korrelierende Versprödung stellt einen begrenzenden Faktor bei der Herstellung hochgefüllter Filamente dar. So neigen höher gefüllte Filamente eher zu einem Bruch bei der Herstellung und Verarbeitung. Dies resultiert in den vorliegenden maximalen Füllstoffvolumenanteilen, welche im Vergleich zu Spritzgussmaterialien deutlich reduziert sind. Eine weitere Erhöhung führt zu einer unzureichenden Prozessstabilität und damit zu einer unzureichenden Verarbeitungseignung für das FFF-Verfahren. Weiterhin zeigt sich, dass der Einfluss der verwendeten plättchenförmigen Füllstoffe für eine identische Kunststoffmatrix vergleichbar ist. Durch die Verwendung von Verarbeitungshilfen können die mechanischen Eigenschaften allerdings beeinflusst werden. Die Erhöhung des E-Moduls und der Bruchdehnung ist dabei auf die verbesserte Benetzung der Füllstoffpartikel und damit eine verbesserte Kunststoff-Füllstoff-Interaktion zurückzuführen. Bewertung der Wärmeleitfähigkeit Zur Darstellung der Ergebnisse der Wärmeleitfähigkeit wurden die Messergebnisse von je vier Probekörpern über die Prüftemperaturen zwischen 30 °C und 180 °C in 30 °C Inkrementen gemittelt (Bild 4). Die Ergebnisse zeigen eine positive Korrelation zwischen einem zunehmenden Füllstoffvolumenanteil und der Wärmeleitfähigkeit. Diese Steigerung ist wiederum abhängig von der jeweilig verwendeten Füllstoffart. Hierbei liefert das Material PBTx-F2-X eine vergleichbare Wärmeleitfähigkeit wie die Materialien PBTx-F1 und PBTxa-F1 in der jeweiligen Y-Orientierung. Die Unterschiede zwischen den beiden Materialien PBTx-F1 und PBTxa-F1 sind hingegen minimal und der Einfluss der Verarbeitungshilfe auf die Wärmeleitfähigkeit dementsprechend als vernachlässigbar anzusehen. Weiterhin ist eine anisotrope Wärmeleitfähigkeit für die mit Plättchen gefüllten Kunststoffe ersichtlich. Während die X-Orientierung (entlang der abgelegten Stränge) eine erhöhte Wärmeleitfähigkeit für alle Materialien liefert, ist diese für die Z-Orientierung (zwischen den Schichten) am geringsten. Gründe hierfür sind der Strangverbund sowie die Füllstofforientierung innerhalb der abgelegten Stränge. Dabei ist die aufgezeigte Anisotropie für den Füllstoff F2 im Vergleich zu F1 leicht reduziert und bestätigt den spezifischen Einfluss der Füllstoffart. Auf Basis der Ergebnisse können allgemein drei charakteristische Orientierungen zur Bewertung der Wärmeleitfähigkeit erfasst werden. Für die Bauteilauslegung ist der aufgezeigte Einfluss plättchenförmiger Füllstoffe auf die sich einstellende Anisotropie von im FFF-Verfahren gefertigten Strukturen zwingend zu beachten. Ausblick Die angeführten Untersuchungen zeigen, dass die Verwendung von plättchenförmigen Füllstoffen in Abhängigkeit von dem Füllstoffvolumenanteil zu einer Beeinflussung der Materialeigenschaften führt. Die dargelegten Ergebnisse stellen in diesem Kontext eine Grundlage zur Bewertung des Zusammenhangs zwischen den mechanischen Eigenschaften und der Wärmeleitfähigkeit dar. Insbesondere die Limitierung des Füllstoffvolumenanteils durch die erhöhte Versprödung ist hierbei anzuführen. Aktuelle Untersuchungen an der Kunststofftechnik Paderborn befassen sich mit der Betrachtung weiterer material- und prozessseitiger Einflussgrößen auf die Wärmeleitfähigkeit. Die generierten Daten sollen schließlich für die Entwicklung eines Modells zur Vorhersage der Wärmeleitfähigkeit von im FFF-Verfahren gefertigten Strukturen zusammengeführt werden."}],"status":"public"},{"publication":"Polymer Composites","type":"journal_article","status":"public","department":[{"_id":"9"},{"_id":"321"},{"_id":"624"},{"_id":"367"}],"user_id":"59363","_id":"59132","language":[{"iso":"eng"}],"keyword":["Filled polymers","Fused Filament Fabrication","weld seam quality","weld seam strength"],"quality_controlled":"1","citation":{"apa":"Moritzer, E., Beutelspacher, J., &#38; Elsner, C. L. (2024). Investigation of the weld seam quality of particle filled polymers in the fused filament fabrication process. <i>Polymer Composites</i>. <a href=\"https://doi.org/10.1002/pc.29101\">https://doi.org/10.1002/pc.29101</a>","mla":"Moritzer, Elmar, et al. “Investigation of the Weld Seam Quality of Particle Filled Polymers in the Fused Filament Fabrication Process.” <i>Polymer Composites</i>, 2024, doi:<a href=\"https://doi.org/10.1002/pc.29101\">10.1002/pc.29101</a>.","bibtex":"@article{Moritzer_Beutelspacher_Elsner_2024, title={Investigation of the weld seam quality of particle filled polymers in the fused filament fabrication process}, DOI={<a href=\"https://doi.org/10.1002/pc.29101\">10.1002/pc.29101</a>}, journal={Polymer Composites}, author={Moritzer, Elmar and Beutelspacher, Jonas and Elsner, Christian Lennart}, year={2024} }","short":"E. Moritzer, J. Beutelspacher, C.L. Elsner, Polymer Composites (2024).","ama":"Moritzer E, Beutelspacher J, Elsner CL. Investigation of the weld seam quality of particle filled polymers in the fused filament fabrication process. <i>Polymer Composites</i>. Published online 2024. doi:<a href=\"https://doi.org/10.1002/pc.29101\">10.1002/pc.29101</a>","ieee":"E. Moritzer, J. Beutelspacher, and C. L. Elsner, “Investigation of the weld seam quality of particle filled polymers in the fused filament fabrication process,” <i>Polymer Composites</i>, 2024, doi: <a href=\"https://doi.org/10.1002/pc.29101\">10.1002/pc.29101</a>.","chicago":"Moritzer, Elmar, Jonas Beutelspacher, and Christian Lennart Elsner. “Investigation of the Weld Seam Quality of Particle Filled Polymers in the Fused Filament Fabrication Process.” <i>Polymer Composites</i>, 2024. <a href=\"https://doi.org/10.1002/pc.29101\">https://doi.org/10.1002/pc.29101</a>."},"year":"2024","date_created":"2025-03-25T10:18:06Z","author":[{"last_name":"Moritzer","full_name":"Moritzer, Elmar","id":"20531","first_name":"Elmar"},{"first_name":"Jonas","full_name":"Beutelspacher, Jonas","id":"92911","last_name":"Beutelspacher"},{"first_name":"Christian Lennart","last_name":"Elsner","id":"70729","full_name":"Elsner, Christian Lennart"}],"date_updated":"2025-03-27T10:55:25Z","doi":"10.1002/pc.29101","title":"Investigation of the weld seam quality of particle filled polymers in the fused filament fabrication process"},{"status":"public","type":"journal_article","publication":"Joining Plastics","keyword":["mechanischens Fügen","Nieten","Reversibel"],"language":[{"iso":"eng"}],"_id":"59100","user_id":"59363","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"}],"year":"2024","citation":{"chicago":"Moritzer, Elmar, Christian Held, Mirko Albrecht, and Andreas Seefried. “Reversibles Heißluftnieten – Neuartiges Konzept Für Kreislauffähige Werkstoffverbunde.” <i>Joining Plastics</i>, no. 2 (2024): 74–77.","ieee":"E. Moritzer, C. Held, M. Albrecht, and A. Seefried, “Reversibles Heißluftnieten – neuartiges Konzept für kreislauffähige Werkstoffverbunde,” <i>Joining Plastics</i>, no. 2, pp. 74–77, 2024.","ama":"Moritzer E, Held C, Albrecht M, Seefried A. Reversibles Heißluftnieten – neuartiges Konzept für kreislauffähige Werkstoffverbunde. <i>Joining Plastics</i>. 2024;(2):74–77.","apa":"Moritzer, E., Held, C., Albrecht, M., &#38; Seefried, A. (2024). Reversibles Heißluftnieten – neuartiges Konzept für kreislauffähige Werkstoffverbunde. <i>Joining Plastics</i>, <i>2</i>, 74–77.","bibtex":"@article{Moritzer_Held_Albrecht_Seefried_2024, title={Reversibles Heißluftnieten – neuartiges Konzept für kreislauffähige Werkstoffverbunde}, number={2}, journal={Joining Plastics}, author={Moritzer, Elmar and Held, Christian and Albrecht, Mirko and Seefried, Andreas}, year={2024}, pages={74–77} }","mla":"Moritzer, Elmar, et al. “Reversibles Heißluftnieten – Neuartiges Konzept Für Kreislauffähige Werkstoffverbunde.” <i>Joining Plastics</i>, no. 2, 2024, pp. 74–77.","short":"E. Moritzer, C. Held, M. Albrecht, A. Seefried, Joining Plastics (2024) 74–77."},"page":"74–77","issue":"2","title":"Reversibles Heißluftnieten – neuartiges Konzept für kreislauffähige Werkstoffverbunde","date_updated":"2025-03-27T10:54:40Z","date_created":"2025-03-25T08:59:37Z","author":[{"first_name":"Elmar","last_name":"Moritzer","full_name":"Moritzer, Elmar","id":"20531"},{"first_name":"Christian","last_name":"Held","full_name":"Held, Christian","id":"40647"},{"first_name":"Mirko","full_name":"Albrecht, Mirko","last_name":"Albrecht"},{"first_name":"Andreas","last_name":"Seefried","full_name":"Seefried, Andreas"}]}]