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Technical University of Munich
Technical University of Munich

Publications

2024

  • Chechik, Lova; Schwarzkopf, Karen; Rothfelder, Richard; Grünewald, Jonas; Schmidt, Michael: Material Dependent Influence of Ring/Spot Beam Profiles in Laser Powder Bed Fusion. Additive Manufacturing Letters, 2024, 100211 more… Full text ( DOI )
  • Hecht, Christoph; Ockel, Manuela; Stoll, Thomas; Franke, Jörg: Fabrication of metal-ceramic substrates by laser powder bed fusion using a high-power green laser and high temperature preheating. Laser 3D Manufacturing XI, SPIE, 2024 more… Full text ( DOI )
  • Setter, Robert; Wudy, Katrin: Investigation of the bonding behavior between thermosets and thermoplastic elastomers in multi-material additive manufacturing. Polymer Testing 132, 2024, 108366 more… Full text ( DOI )
  • Wittemer, Moritz; Wudy, Katrin: Robustness investigation of an in-situ absorption measurement system for laser processing. Welding in the World, 2024 more… Full text ( DOI )

2023

  • Setter, Robert; Wudy, Katrin: Simultaneous processing of thermosets and thermoplastics in additive manufacturing of multi-material polymer parts. Annual Technical Conference – ANTEC, Conference Proceedings, 2023 more…
  • Birgit Vogel-Heuser, Fandi Bi, Moritz Wittemer, Jingyun Zhao, Andreas Mayr, Martin Fleischer, Theresa Prinz Anne Fischer, Jakob Trauer, Philipp Schröder, Ann-Kathrin Goldbach, Florian Rothmeyer, Markus Zimmermann, Kai-Uwe Bletzinger, Johannes Fottner, Rüdiger Daub, Klaus Bengler, André Borrmann, Michael F. Zäh, Katrin Wudy: Literature Collection of Digital Twin Definitions from Various Domains. 2023 more… Full text (mediaTUM)
  • Christoph Hecht, Daniel Schueller, Daniel Utsch, Thomas Stoll, Joerg Franke: Investigations on processing copper-titanium powder blends via PBF-LB/M. Laser in Manufacturing Conference 2023, 2023 more… Full text (mediaTUM)
  • Grünewald, Jonas; Reimann, Jan; Wudy, Katrin: Influence of ring-shaped beam profiles on spatter characteristics in laser-based powder bed fusion of metals. Journal of Laser Applications 35 (4), 2023 more… Full text ( DOI )
  • Grünewald, Jonas; Reinelt, Jonas; Sedlak, Holger; Wudy, Katrin: Support-free laser-based powder bed fusion of metals using pulsed exposure strategies. Progress in Additive Manufacturing, 2023 more… Full text ( DOI )
  • Hecht, Christoph; Schadow, Eric; Sprenger, Mario; Häußler, Felix; Stoll, Thomas; Franke, Jörg: Additive Metallization of Alumina with Copper-Titanium Powder Blends for Power Electronic Applications. 2023 24th European Microelectronics and Packaging Conference & Exhibition (EMPC), IEEE, 2023 more… Full text ( DOI )
  • Hofmann, Joseph; Setter, Robert; Wudy, Katrin: Powder Bed Fusion with Thermoplastic Elastomers (TPEs) – Chapter: 3.4. In: Thermal Analysis and Rheology in Polymer Additive Manufacturing. Netzsch-Gerätebau GmbH, 2023 more…
  • Hofmann, Joseph; Taphorn, Kirsten; Herzen, Julia; Wudy, Katrin: Einfluss einer variierenden Scanvektorenlänge auf die ortsaufgelöste Schmelzbadtemperatur und die resultierende Porosität in Bauteilen im pulverbettbasierten Schmelzen von Polyamid 12 mittels Laserstrahlung. Rapid.Tech 3D Conference 2023, 2023 more…
  • Hofmann, Joseph; Wudy, Katrin: Influence of the Design of Architected Cellular Structures on the Mechanical Properties in Laser-based Powder Bed Fusion of Thermoplastic Polyurethane. (Talk) 2023 more…
  • Holla, Vijaya; Kopp, Philipp; Grünewald, Jonas; Praegla, Patrick M; Meier, Christoph; Wudy, Katrin; Kollmannsberger, Stefan: Laser beam shape optimization: Exploring alternative profiles to Gaussian-shaped laser beams in powder bed fusion of metals. Solid Freeform Fabrication 2023: Proceedings of the 34th Annual International Solid Freeform Fabrication Symposium – An Additive Manufacturing Conference, 2023 more… Full text (mediaTUM)
  • Holla, Vijaya; Kopp, Philipp; Grünewald, Jonas; Wudy, Katrin; Kollmannsberger, Stefan: Laser beam shape optimization in powder bed fusion of metals. Additive Manufacturing 72, 2023, 103609 more… Full text ( DOI )
  • Setter, Robert; Hafenecker, Jan; Rothfelder, Richard; Kopp, Sebastian-Paul; Roth, Stephan; Schmidt, Michael; Merklein, Marion; Wudy, Katrin: Innovative Process Strategies in Powder-Based Multi-Material Additive Manufacturing. Journal of Manufacturing and Materials Processing 7 (4), 2023, 133 more… Full text ( DOI )
  • Setter, Robert; Schmölzer, Stefan; Rudolph, Natalie; Moukhina, Elena; Wudy, Katrin: Modeling of the curing kinetics of acrylate photopolymers for additive manufacturing. Polymer Engineering & Science, 2023 more… Full text ( DOI )
  • Setter, Robert; Schmölzer, Stefan; Rudolph, Natalie; Moukhina, Elena; Wudy, Katrin: Thermal stability and curing behavior of acrylate photopolymers for additive manufacturing. Polymer Engineering & Science, 2023 more… Full text ( DOI )
  • Stoll, Thomas: Laser Powder Bed Fusion von Kupfer auf Aluminiumoxid-Keramiken. Dissertation, 2023 more…
  • Wittemer, Moritz; Grünewald, Jonas; Wudy, Katrin: Absorbance measurement for in situ process regime identification in laser processing. The International Journal of Advanced Manufacturing Technology, 2023 more… Full text ( DOI )
  • Wudy, Katrin; Sapishchuk, Svitlana; Hofmann, Joseph; Schmidt, Jochen; Konwitschny, Fabian; Töpper, Hans‐Christoph; Daub, Ruediger: Polymer‐based separator for all‐solid‐state batteries produced by additive manufacturing. Journal of Applied Polymer Science, 2023 more… Full text ( DOI )

2022

  • Braeuer, Philipp; Stoll, Thomas; Muckelbauer, Martin; Haubler, Felix; Hensel, Alexander; Franke, Jorg: Manufacturing of Ceramic Based Mechatronic Integrated Devices Using Laser-Direct-Structuring. 2022 IEEE 9th Electronics System-Integration Technology Conference (ESTC), IEEE, 2022 more… Full text ( DOI )
  • Braeuer, Philipp; Stoll, Thomas; Muckelbauer, Martin; Hensel, Alexander; Franke, Joerg: Pretreatment and Structuring of Spatial Circuit Carriers Based on Alumina for High Temperatures and High Frequencies. 2022 IEEE 72nd Electronic Components and Technology Conference (ECTC), IEEE, 2022 more… Full text ( DOI )
  • Grünewald, Jonas; Blickle, Valentin; Allenberg-Rabe, Matthias; Wagenblast, Philipp; Wudy, Katrin: Flexible and highly dynamic beam shaping for Laser-Based Powder Bed Fusion of metals. Procedia CIRP 111, 2022, 65-70 more… Full text ( DOI )
  • Hofmann, Joseph; Wudy, Katrin: Correction to: In situ process monitoring in laser‑based powder bed fusion of polyamide 12 using thermal imaging. The International Journal of Advanced Manufacturing Technology 123 (5-6), 2022, 2157-2157 more… Full text ( DOI )
  • Stoll, Thomas; Feuerer, Tobias; Hensel, Alexander; Franke, Jörg: Review of the direct bonded copper (DBC) process and its adaption to laser powder bed fusion (LPBF). Laser 3D Manufacturing IX, SPIE, 2022 more… Full text ( DOI )
  • Weiss, Tony; Kick, Michael; Grabmann, Sophie; Geiger, Christian; Mayr, Lukas; Wudy, Katrin; Zaeh, Michael F.: A holistic approach for an intelligent laser beam welding architecture using machine learning for the welding of metallic bipolar plates for polymer electrolyte membrane fuel cells. Procedia CIRP 111, 2022, 810-815 more… Full text ( DOI )
  • Wittemer, Moritz; Wimmer, Andreas; Wudy, Katrin: In-Situ Analysis of Laser Welding by Temporally and Spatially Mapped Radiation Reflection Measurements. IIW2022-International Conference on Welding and Joining, 2022 more…
  • Wudy, Katrin; Stoll, Thomas: Strahlformung eröffnet neue Perspektiven im Metall-3-D-Druck. maschinenbau 2 (6), 2022, 8-11 more… Full text ( DOI )

2021

  • Bachmann, Joel; Obst, Philip; Knorr, Lukas; Schmölzer, Stefan; Fruhmann, Gabriele; Witt, Gerd; Osswald, Tim; Wudy, Katrin; Hinrichsen, Olaf: Cavity vat photopolymerisation for additive manufacturing of polymer-composite 3D objects. Communications Materials 2 (1), 2021 more… Full text ( DOI )
  • Grünewald, Jonas; Clarkson, Pirmin; Salveson, Ryan; Fey, Georg; Wudy, Katrin: Influence of Pulsed Exposure Strategies on Overhang Structures in Powder Bed Fusion of Ti6Al4V Using Laser Beam. Metals 11 (7), 2021 more… Full text ( DOI ) Full text (mediaTUM)
  • Grünewald, Jonas; Gehringer, Florian; Schmöller, Maximilian; Wudy, Katrin: Influence of Ring-Shaped Beam Profiles on Process Stability and Productivity in Laser-Based Powder Bed Fusion of AISI 316L. Metals 11 (12), 2021, 1989 more… Full text ( DOI )
  • Setter, Robert; Riedel, Florentin; Peukert, Wolfgang; Schmidt, Jochen; Wudy, Katrin: Infiltration behavior of liquid thermosets in thermoplastic powders for additive manufacturing of polymer composite parts in a combined powder bed fusion process. Polymer Composites, 2021 more… Full text ( DOI )
  • Setter, Robert; Stichel, Thomas; Schuffenhauer, Thomas; Kopp, Sebastian-Paul; Roth, Stephan; Wudy, Katrin: Additive Manufacturing of Multi-material Polymer Parts Within the Collaborative Research Center 814. In: Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021 more… Full text ( DOI )
  • Setter, Robert; Wudy, Katrin: Infiltrationsverhalten von reaktiven Flüssigkeiten zur Verwendung im Fusion Jetting (FJ) von Multi-Material-Bauteilen. (Talk) 2021 more…
  • Wimmer, Andreas; Hofstaetter, Fabian; Jugert, Constantin; Wudy, Katrin; Zaeh, Michael F.: In situ alloying: investigation of the melt pool stability during powder bed fusion of metals using a laser beam in a novel experimental set-up. Progress in Additive Manufacturing, 2021 more… Full text ( DOI )

2020

  • Heinl, M; Greiner, S; Wudy, K; Pobel, C; Rasch, M; Huber, F; Papke, T; Merklein, M; Schmidt, M; Körner, C; Drummer, D; Hausotte, T: Measuring procedures for surface evaluation of additively manufactured powder bed-based polymer and metal parts. Measurement Science and Technology 31 (9), 2020, 095202 more… Full text ( DOI )
  • Knorr, Lukas; Setter, Robert; Rietzel, Dominik; Wudy, Katrin; Osswald, Tim: Comparative Analysis of the Impact of Additively Manufactured Polymer Tools on the Fiber Configuration of Injection Molded Long-Fiber-Reinforced Thermoplastics. Journal of Composites Science 4 (3), 2020, 136 more… Full text ( DOI )
  • Lanzl, Lydia; Wudy, Katrin; Drummer, Dietmar: The effect of short glass fibers on the process behavior of polyamide 12 during selective laser beam melting. Polymer Testing 83, 2020, 106313 more… Full text ( DOI )
  • Schneider, Kevin; Wudy, Katrin; Drummer, Dietmar: Flame-Retardant Polyamide Powder for Laser Sintering: Powder Characterization, Processing Behavior and Component Properties. Polymers 12 (8), 2020, 1697 more… Full text ( DOI )
  • Schneider, Kevin; Wudy, Katrin; Drummer, Dietmar: Flame-Retardant Polyamide Powder for Laser Sintering: Powder Characterization, Processing Behavior and Component Properties. Polymers 12 (8), 2020, 1697 more… Full text ( DOI )
  • Schwarzer, Christian; Chew, Ly May; Stoll, Thomas; Franke, Joerg; Kaloudis, Michael: A New Development of Micro-Copper Sinter Material for High Power Electronics Application. CIPS 2020; 11th International Conference on Integrated Power Electronics Systems, 2020 more…
  • Stoll, Thomas; Trautnitz, Pascal; Schmiedeke, Samuel; Franke, Joerg Ernst; Travitzky, Nahum: Process development for laser powder bed fusion of pure copper. Laser 3D Manufacturing VII, SPIE, 2020 more… Full text ( DOI )

2019

  • Drummer, D.; Greiner, S.; Zhao, M.; Wudy, K.: A novel approach for understanding laser sintering of polymers. Additive Manufacturing 27, 2019, 379-388 more… Full text ( DOI )
  • Greiner, S.; Wudy, K.; Wörz, A.; Drummer, D.: Thermographic investigation of laser-induced temperature fields in selective laser beam melting of polymers. Optics & Laser Technology 109, 2019, 569-576 more… Full text ( DOI )
  • Greiner, Sandra; Lanzl, Lydia; Wudy, Katrin; Drummer, Dietmar: A new approach for getting more homogeneous temperature fields in selective laser sintering of polymers. , Author(s), 2019 more… Full text ( DOI )
  • Hensel, Alexander; Schwarzer, Christian; Merz, Corinna; Stoll, Thomas; Kaloudis, Michael; Franke, Joerg: Generation of 3-dimensional power modules for high temperature applications by thermal copper coating processes. 2019 IEEE 21st Electronics Packaging Technology Conference (EPTC), IEEE, 2019 more… Full text ( DOI )
  • Stoll, Thomas; Kirstein, Matthias; Franke, Jörg: A novel approach of copper-ceramic-joints manufactured by selective laser melting. Material Technologies and Applications to Optics, Structures, Components, and Sub-Systems IV, SPIE, 2019 more… Full text ( DOI )
  • Wudy, Katrin; Drummer, Dietmar: Aging effects of polyamide 12 in selective laser sintering: Molecular weight distribution and thermal properties. Additive Manufacturing 25, 2019, 1-9 more… Full text ( DOI )
  • Wörz, A.; Wudy, K.; Drummer, D.; Heidebrecht, M.; Klein, S.: Processing LDS-Circuit Boards by Selective Laser Sintering. International Polymer Processing 34 (2), 2019, 248-254 more… Full text ( DOI )
  • Wörz, Andreas; Wiedau, Livia C.; Wudy, Katrin; Wegner, Andreas; Witt, Gerd; Drummer, Dietmar: Influence of chemical postprocessing on mechanical properties of laser-sintered polyamide 12 parts. Journal of Polymer Engineering 39 (9), 2019, 830-837 more… Full text ( DOI )

2018

  • Drexler, Maximilian; Greiner, Sandra; Lexow, Matthias; Lanzl, Lydia; Wudy, Katrin; Drummer, Dietmar: Selective laser melting of polymers: influence of powder coating on mechanical part properties. Journal of Polymer Engineering 38 (7), 2018, 667-674 more… Full text ( DOI )
  • Lanzl, Lydia; Wudy, Katrin; Greiner, Sandra; Drummer, Dietmar: Selective laser sintering of copper filled polyamide 12: Characterization of powder properties and process behavior. Polymer Composites 40 (5), 2018, 1801-1809 more… Full text ( DOI )
  • Osmanlic, Fuad; Wudy, Katrin; Laumer, Tobias; Schmidt, Michael; Drummer, Dietmar; Körner, Carolin: Modeling of Laser Beam Absorption in a Polymer Powder Bed. Polymers 10 (7), 2018, 784 more… Full text ( DOI )
  • Reitberger, Thomas; Stoll, Thomas; Hoffmann, Gerd-Albert; Lorenz, Lukas; Neermann, Simone; Overmeyer, Ludger; Bock, Karlheinz; Wolter, Klaus-Jürgen; Franke, Jörg: The future of short-range high-speed data transmission: printed polymer optical waveguides (POW) innovation, fabrication, and challenges. Optics and Photonics for Information Processing XII, SPIE, 2018 more… Full text ( DOI )
  • Schwarzer, Christian; Chew, Ly May; Schnepf, Michael; Stoll, Thomas; Franke, Jörg; Kaloudis, Michael: INVESTIGATION OF COPPER SINTER MATERIAL FOR DIE ATTACH. , 2018 more…
  • Stoll, Thomas; Franke, Joerg: Electrical and Mechanical Qualification of Selectively Dispensed Active Brazes. 2018 13th International Congress Molded Interconnect Devices (MID), IEEE, 2018 more… Full text ( DOI )
  • Stoll, Thomas; Kirstein, Matthias; Franke, Joerg: Additive Manufacturing of 3D-copper-metallizations on alumina by means of Selective Laser Melting for power electronic applications. CIPS 2018; 10th International Conference on Integrated Power Electronics Systems, 2018 more…
  • Wudy, K.; Budde, T.: Reaction kinetics and curing behavior of epoxies for use in a combined selective laser beam melting process of polymers. Journal of Applied Polymer Science 136 (7), 2018, 46850 more… Full text ( DOI )
  • Wudy, Katrin; Drexler, Maximilian; Lanzl, Lydia; Drummer, Dietmar: Analysis of time dependent thermal properties for high rates in selective laser sintering. Rapid Prototyping Journal 24 (5), 2018, 894-900 more… Full text ( DOI )
  • Wudy, Katrin; Drummer, Dietmar: Infiltration Behavior of Thermosets for Use in a Combined Selective Laser Sintering Process of Polymers. JOM 71 (3), 2018, 920-927 more… Full text ( DOI )
  • Wudy, Katrin; Greiner, Sandra; Zhao, Meng; Drummer, Dietmar: Selective laser beam melting of polymers: In situ and offline measurements for process adapted thermal characterization. Procedia CIRP 74, 2018, 238-243 more… Full text ( DOI )
  • Zhao, Meng; Wudy, Katrin; Drummer, Dietmar: Crystallization Kinetics of Polyamide 12 during Selective Laser Sintering. Polymers 10 (2), 2018, 168 more… Full text ( DOI )

2017

  • Greiner, Sandra; Wudy, Katrin; Lanzl, Lydia; Drummer, Dietmar: Selective laser sintering of polymer blends: Bulk properties and process behavior. Polymer Testing 64, 2017, 136-144 more… Full text ( DOI )
  • Stoll, Thomas; Syed-Khaja, Aarief; Franke, Joerg: Prototyping and Production of High-temperature Power Electronic Substrates through Additive Manufacturing Processes. International Symposium on Microelectronics 2017 (1), 2017, 000761-000767 more… Full text ( DOI )
  • Wudy, K.; Hinze, M.; Ranft, F.; Drummer, D.; Schwieger, W.: Selective laser sintering of zeolite filled polypropylene composites: Processing and properties of bulk adsorbents. Journal of Materials Processing Technology 246, 2017, 136-143 more… Full text ( DOI )
  • Wörz, Andreas; Wudy, Katrin; Drummer, Dietmar; Wegner, Andreas; Witt, Gerd: Comparison of long-term properties of laser sintered and injection molded polyamide 12 parts. Journal of Polymer Engineering 38 (6), 2017, 573-582 more… Full text ( DOI )

2016

  • Lanzl, Lydia; Wudy, Katrin; Drexler, Maximilian; Drummer, Dietmar: Laser-high-speed-DSC: Process-oriented Thermal Analysis of PA 12 in Selective Laser Sintering. Physics Procedia 83, 2016, 981-990 more… Full text ( DOI )
  • Schmidt, Jochen; Sachs, Marius; Zhao, Meng; Fanselow, Stephanie; Wudy, Katrin; Drexler, Maximilian; Drummer, Dietmar; Wirth, Karl-Ernst; Peukert, Wolfgang: A novel process for production of spherical PBT powders and their processing behavior during laser beam melting. , AIP Publishing LLC, 2016 more… Full text ( DOI )
  • Syed-Khaja, Aarief; Stoll, Thomas; Franke, Joerg: Investigations in selective laser melting as manufacturing technology for the production of high-temperature mechatronic integrated devices. 2016 11th International Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT), IEEE, 2016 more… Full text ( DOI )
  • Syed-Khaja, Aarief; Walawski, Dominik; Stoll, Thomas; Franke, Joerg: Is selective laser melting (SLM) an alternative for high-temperature mechatronic integrated devices? methodology, hurdles and prospects. 2016 12th International Congress Molded Interconnect Devices (MID), IEEE, 2016 more… Full text ( DOI )
  • Wudy, Katrin; Lanzl, Lydia; Drummer, Dietmar: Selective Laser Sintering of Filled Polymer Systems: Bulk Properties and Laser Beam Material Interaction. Physics Procedia 83, 2016, 991-1002 more… Full text ( DOI )

2015

  • Drummer, Dietmar; Drexler, Maximilian; Wudy, Katrin: Density of Laser Molten Polymer Parts as Function of Powder Coating Process during Additive Manufacturing. Procedia Engineering 102, 2015, 1908-1917 more… Full text ( DOI )
  • Drummer, Dietmar; Drexler, Maximilian; Wudy, Katrin: Derivation of heating rate dependent exposure strategies for the selective laser melting of thermoplastic polymers. , AIP Publishing LLC, 2015 more… Full text ( DOI )
  • Drummer, Dietmar; Medina-Hernández, Martha; Drexler, Maximilian; Wudy, Katrin: Polymer Powder Production for Laser Melting Through Immiscible Blends. Procedia Engineering 102, 2015, 1918-1925 more… Full text ( DOI )
  • Laumer, Tobias; Wudy, Katrin; Drexler, Maximilian; Amend, Philipp; Roth, Stephan; Drummer, Dietmar; Schmidt, Michael: Editor Note: “Fundamental investigation of laser beam melting of polymers for additive manufacture” [J. Laser Appl. 26, 042003 (2014)]. Journal of Laser Applications 27 (S1), 2015, S16001 more… Full text ( DOI )

2014

  • Drummer, Dietmar; Drexler, Maximilian; Wudy, Katrin: Impact of Heating Rate During Exposure of Laser Molten Parts on the Processing Window of PA12 Powder. Physics Procedia 56, 2014, 184-192 more… Full text ( DOI )
  • Drummer, Dietmar; Wudy, Katrin; Drexler, Maximilian: Influence of Energy Input on Degradation Behavior of Plastic Components Manufactured by Selective Laser Melting. Physics Procedia 56, 2014, 176-183 more… Full text ( DOI )
  • Drummer, Dietmar; Wudy, Katrin; Drexler, Maximilian: Influence of Energy Input on Degradation Behavior of Plastic Components Manufactured by Selective Laser Melting. Physics Procedia 56, 2014, 176-183 more… Full text ( DOI )
  • Laumer, Tobias; Wudy, Katrin; Drexler, Maximilian; Amend, Philipp; Roth, Stephan; Drummer, Dietmar; Schmidt, Michael: Fundamental investigation of laser beam melting of polymers for additive manufacture. Journal of Laser Applications 26 (4), 2014, 042003 more… Full text ( DOI )
  • Wudy, K.; Drummer, D.; Drexler, M.: Characterization of polymer materials and powders for selective laser melting. , American Institute of Physics, 2014 more… Full text ( DOI )
  • Wudy, K.; Drummer, D.; Kühnlein, F.; Drexler, M.: Influence of degradation behavior of polyamide 12 powders in laser sintering process on produced parts. , American Institute of Physics, 2014 more… Full text ( DOI )

2012

  • Drummer, Dietmar; Wudy, Katrin; Kühnlein, Florian; Drexler, Maximilian: Polymer Blends for Selective Laser Sintering: Material and Process Requirements. Physics Procedia 39, 2012, 509-517 more… Full text ( DOI )
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