Ultra-short pulse laser ablation of dielectrics: Bridging the "band" gap from free electron generation to hydrodynamic ablation

Michele Buttazzoni, Andreas Otto, Tobias Florian, Constantin Zenz

TU Wien, Austria

Critical Insights: Advanced Simulations Unveiling Ablation Mechanisms in USP Laser Processing

Tobias Florian¹, Michele Buttazzoni¹, Constantin Zenz¹, Robin Kloepfer², Andreas Otto¹

1: Institute of Production Engineering and Photonic Technologies, Tu Wien, Austria; 2: Institut für Strahlwerkzeuge (IFSW), University of Stuttgart, Germany

Incubation and laser drilling revisited

Daniel J. Förster¹, Tom Vettenburg², Heinz P. Huber¹

1: Hochschule München, Germany; 2: University of Dundee, United Kingdom

Numerical simulation of pulsed laser polishing of silicon wafers

Aref Azami, Wenkun Xie, Xichun Luo

Center for Precision Engineering, Department of Design, Manufacturing & Engineering Management, University of Strathclyde, Glasgow G1 1XQ, UK

Numerical simulations to find optimized beam-shapes and improve femto-second laser processes

Thibaut Atché, Dmitry Nuzhdin, Gwenn pallier, Guillaume Labroille

Cailabs, France

Realtime Measurement of the Ablation Rate during Ultrashort Pulsed Laser Processing

Markus Kogel-Hollacher¹, Simon Mieth¹, Jean-François Pichot²

1: Precitec Optronik GmbH, Germany; 2: Precitec France Sarl, France

The effect of laser emission mode on the cutting of lithium metal as a solid-state battery anode

Pourya Heidari Orojloo¹, Pantaleone Barbieri², Daniela Fontana², Ali Gökhan Demir¹

1: Department of Mechanical Engineering, Politecnico di Milano, Via La Masa 1, 20156 Milan, Italy; 2: Comau S.p.A. – E-Mobility Global Competence Center, Via Rivalta 30, 10095 Grugliasco, Italy

From Macro to Micro: Multimode Fiber Lasers in Direct Laser Interference Patterning

Bogdan Voisiat¹, Wei Wang², Dominik Britz², Andrés Fabian Lasagni^1,3

1: Technische Universität Dresden, Germany; 2: SurFunction GmbH, Germany; 3: Fraunhofer Institute for Material and Beam Technology IWS, Germany

Lithium-ion battery foil cutting processes optimized with an infrared ultrashort pulse laser and megahertz pulse bursts

Jim Bovatsek, Terence Hollister

MKS Instruments, Inc. / Spectra-Physics, United States of America

Impact of Polarization Angle on Ablation Efficiency and Structure Formation in DLIP Processing

Francisco Udo Marins Almeida¹, Bogdan Voisiat¹, Fabian René Ränke¹, Andrés Fabián Lasagni^1,2

1: Technische Universität Dresden, Dresden, Germany; 2: Fraunhofer Institute for Material and Beam Technology, Dresden, Germany

FFT-Based Device for Characterization of Laser-textured Periodic Surface Topographies

Bogdan Voisiat¹, Agustin Esteban Götte¹, Marcelo Daniel Sallese¹, Marcos Soldera¹, Andrés Fabian Lasagni^1,2

1: Technische Universität Dresden, Germany; 2: Fraunhofer Institute for Material and Beam Technology IWS, Germany

Surface functionalization using a high-power ultrashort pulse laser and advanced beam shaping: control of wettability and optical properties

Tamara Delgado, Francisco Gontad, Nerea Otero, Pablo Romero

AIMEN, Spain

Innovative integrated system for bio-inspired laser functionalisation of complex 3D industrial parts with two different laser technologies

Mikel Gomez-Aranzadi^1,2, Luis Omeñaca^1,2, Enrique Castaño^1,2, Gemma García Mandayo^1,2, Ainara Rodriguez^1,2, Santiago Miguel Olaizola^1,2

1: CEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal 15, 20018 Donostia / San Sebastián, Spain; 2: Universidad de Navarra, Tecnun, Manuel Lardizabal 13, 20018 Donostia / San Sebastián, Spain

Optimizing Ultrafast Laser Surface Texturing of Polypropylene for Precise Wettability Control

Julen Molinuevo¹, Eva Rodriguez-Vidal¹, Miguel Morales², Carlos Molpeceres²

1: Tekniker, Basque Research and Technology Alliance (BRTA), C/Iñaki Goenaga 5, 20600 Eibar, Spain; 2: Centro Láser, Universidad Politécnica de Madrid, Alan Turing 1, 28031 Madrid, Spain

Tailoring Polymer Surface Properties via Femtosecond Laser Irradiation: IR vs. UV Effects

Diego Gallego, Jorge Fantova, Gemma Garcia, Isabel Ayerdi, Santiago Miguel Olaizola, Ainara Rodriguez

Asociación Centro Tecnológico Ceit, Spain

Invited Talk: A holistic computational design within additive manufacturing processes: linking multiphysics and multiscale simulations with topology optimization

Mohamad Bayat

Department of Civil and Mechanical Engineering, Technical University of Denmark – DTU, Produktionstorvet 425, Kgs. Lyngby 2800, Denmark

Effect of Dynamic Beam Shaping in Laser Metal Deposition

Philipp Hildinger¹, Annika Bohlen¹, Thomas Seefeld^1,2

1: BIAS - Bremer Institut für angewandte Strahltechnik GmbH, Germany; 2: MAPEX Center for Materials and Processes – University of Bremen, Germany

The effect of spot size on layer formation efficiency in pure copper coating using multi-beam laser metal deposition with blue diode lasers

Tamaki Yoshida¹, Yuji Sato², Keisuke Takenaka², Peng Chen³, Takayuki Mokudai^2,4, Yorihiro Yamashita⁵, Masahiro Tsukamoto²

1: Graduate School of Engineering, Osaka University; 2: Joining and Welding Research Institute, Osaka University; 3: Graduate School of Dentistry, Tohoku University; 4: Institute for Materials Research, Tohoku University; 5: Faculty of Engineering, University of Fukui

High power laser beam shaping with a deformable mirror for process control in welding and directed energy deposition

Fredrik Sikström¹, Yongcui Mi¹, Stefano Bonora², Antonio Ancona^1,2,3

1: University West, Sweden; 2: CNR-Institute for Photonics and Nanotechnology; 3: Physics Department, University of Bari "Aldo Moro"

Real-Time Process Monitoring of 3D-EHLA Using Optical Coherence Tomography (OCT)

Simone Maffia¹, Christoph Krull^1,2,3, Helena Wexel², Stephan Koß³, Johannes Henrich Schleifenbaum³, Frederik Zanger², Tobias Stittgen¹

1: Ponticon GmbH, Germany; 2: Institute of Production Science, Karlsruhe Institute of Technology, Germany; 3: Chair for Digital Additive Production, RWTH Aachen University, Germany

Experimental Investigation of Shielding and Carrier Gases in Laser Material Deposition: Impact on Microstructure, Hardness, and Cost Efficiency

Eduard Weisser, Philipp Kiefer, Rebar Hama-Saleh, Viktor Glushych

Fraunhofer Institute for Laser Technology ILT, Germany

Water and gas atomized AISI 316L for DED-LB: A comparative study on powder properties and build quality

Josefine Lemke¹, Max Biegler¹, Michael Rethmeier^2,1,3

1: Fraunhofer Institute for Production Systems and Design Technology IPK, Pascalstrasse 8-9, 10587 Berlin, Germany; 2: Institute for Machine Tools and Factory Management (IWF), Technical University of Berlin, Strasse des 17. Juni, 10623 Berlin, Germany; 3: Bundesanstalt für Materialforschung und -prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany

Effects of Powder Channel Surface Roughness on Particle Velocity and Dispersion for Laser Metal Deposition

Annika Bohlen¹, Thomas Seefeld^1,2

1: BIAS - Bremer Institut für angewandte Strahltechnik GmbH, Germany; 2: MAPEX Center for Materials and Processes – University of Bremen, Germany

Influence of TiC-nanoparticles in Laser Metal Deposition of EN AW-7075

Finn Bendixen¹, Thomas Seefeld^1,2

1: BIAS – Bremer Institut für angewandte Strahltechnik GmbH, Klagenfurter Straße 5, 28359 Bremen, Germany; 2: MAPEX Center for Materials and Processes, Universität Bremen, Bibliothekstraße 1, Bremen 28359, Germany

Laser precleaning for Graphite Removal in EHLA of Brake Disks with 430L

Piera Álvarez¹, María Azpeleta¹, M Ángeles Montealegre¹, Oscar Frías¹, Andoni Mendialdua²

1: Ikergune AIE, Spain; 2: Etxetar SA, Spain

Enabling Additive Manufacturing Applications for Structural Engineering with DED-LB of High-Strength Steels

Akshay Ashok Benni¹, Pietro Antonio Martelli², Vasile Luchin³, Ilchat Sabirov², Andrea Crosato¹, Alper Kanyilmaz⁴, Ali Gokhan Demir⁴, Barbara Previtali⁴

1: BLM S.P.A., Via Selvaregina, 30, 22063 Cantù (CO), Italy; 2: IMDEA Materials Institute, Getafe, 28906, Madrid, Spain; 3: Mimete S.r.l., Via Padania 10, 20853 Biassono (MB), Italy; 4: Politecnico di Milano, Via La Masa 1, 20156 Milano (MI), Italy

Near infrared laser-based powder bed fusion of thermoplastic polyurethane utilising copper monosulfide nanoparticles as absorber

Simon Leupold^1,2, Michael Willeke³, Cheechau Leong^1,2, Nadine Stratmann³, Alexander Sommereyns^1,2, Anna Rosa Ziefuß³, Sebastian-Paul Kopp^1,2,4, Stephan Barcikowski³, Michael Schmidt^1,2,4

1: Institute of Photonic Technologies (LPT), Friedrich-Alexander-Universität Erlangen-Nürnberg, Konrad-Zuse-Str. 3-5, 91052 Erlangen, Germany; 2: Erlangen Graduate School in Advanced Optical Technologies (SAOT), Paul Gordan Straße 6, 91052 Erlangen, Germany; 3: Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitaetsstrasse 7, 45141 Essen, Germany; 4: Bayerisches Laserzentrum GmbH (BLZ), Konrad-Zuse-Straße 2-6, 91052 Erlangen, Germany

Impact of Sensitizer Distribution on Polymer Processing in Diode Laser Powder Bed Fusion

Anna Rosa Ziefuss¹, Michael Willeke¹, Nadine Stratmann¹, Simon Leupold^2,3, Michael Schmidt^2,3, Stephan Barcikowski¹

1: Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, 45141 Essen, Germany; 2: Institute of Photonic Technologies, Friedrich-Alexander-University of Erlangen-Nürnberg, Konrad-Zuse-Straße 3/5, 91052 Erlangen, Germany; 3: Erlangen Graduate School in Advanced Optical Technologies (SAOT), Friedrich-Alexander-Universität Erlangen-Nürnberg, Paul-Gordan-Straße 6, 91052 Erlangen, Germany

Influence of particle size distribution and drying states on laser beam melting of lunar regolith simulants

Tim Eismann¹, Tjorben Griemsmann¹, Mathias Ernst¹, Jan Düsing¹, Matthias Springer¹, Piet Dyroey¹, Roland Kalms¹, Michael Müller¹, Peter Wessels¹, Jörg Neumann¹, Nick Schwarz¹, Benedict Grefen², Stefan Linke², Enrico Stoll², Dietmar Kracht¹, Stefan Kaierle^1,3

1: Laser Zentrum Hannover e.V., Hollerithallee 8, 30419 Hannover, Germany; 2: Technische Universität Berlin, Marchstraße 12 - 14, 10587 Berlin, Germany; 3: Institut für Transport- und Automatisierungstechnik, Leibniz Universität Hannover, An der Universität 2, 30823 Garbsen, Germany

Laser-Based Powder Bed Fusion and Plasma Electrolytic Surface Modification of Complex Magnesium WE43 Structures – Process Boundaries, Microstructure and Corrosion Behavior

Arvid Abel¹, Anutsek Sharma², Till Biermann¹, Michael Müller¹, Gözde Baylan², Nick Schwarz¹, Anna Buling², Jörg Zerrer², Stefan Kaierle¹

1: Laser Zentrum Hannover e.V., Germany; 2: Eloxalwerk Ludwigsburg GmbH

Microstructural fracture behaviour of PBF-LB/M Inconel 718 components within different HIP-processes

David Sommer¹, Ben Truetsch¹, Cemal Esen², Ralf Hellmann¹

1: University of Applied Sciences Aschaffenburg, Germany; 2: Ruhr University Bochum, Germany

Influence of in-situ high-speed milling within a hybrid additive manufacturing approach on the fatigue behaviour of IN718 lattice structures

David Sommer¹, Maximilian Peters¹, Cemal Esen², Ralf Hellmann¹

1: University of Applied Sciences Aschaffenburg, Germany; 2: Ruhr University Bochum, Germany

Invited Talk: Polymer nano functionalization for laser powder bed fusion: Minimizing additive incorporation to manufacture bactericidal and magnetic parts

Jan Lino Kricke¹, Sebastian-Paul Kopp^2,3,4, Bilal Gökce¹, Carlos Doñate Buendía⁵

1: Materials Science and Additive Manufacturing, School of Mechanical Engineering and Safety Engineering, University of Wuppertal, Germany; 2: Institute of Photonic Technologies (LPT), Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany; 3: Bayerisches Laserzentrum GmbH, 91052 Erlangen, Germany; 4: Erlangen Graduate School in Advanced Optical Technologies (SAOT), 91052 Erlangen, Germany; 5: GROC-UJI, Institute of New Imaging Technologies, Universitat Jaume I, Av. De Vicent Sos Baynat s/n, Castellón, 12071 Spain

Laser metal powder bed fusion of pure copper with green and infrared wavelength for power electronics applications

Isabelle Günther¹, Thomas Niendorf², Benjamin Zillmann¹

1: Robert Bosch GmbH, Robert-Bosch-Campus 1, 71272 Renningen, Germany; 2: Institute of Materials Engineering, University of Kassel, Mönchebergstr. 3, 34125 Kassel, Germany

Process parameter development and optimization for the Scalmalloy® alloy in the additive manufacturing of aircraft applications

Jens Niedermeyer, Timo Witte, Jan Philipp Wahl, Fabian Schlenker, Myriam Maalaoui, Marcus Oel, Ina Meyer, Roland Lachmayer

Leibniz University Hannover, Germany

In-situ high speed optical and thermal imaging of metal powder particles during melting and solidification

Hagen Peter Kohl¹, Eric Schadow², Lisa Matthäus¹, Stefan Nolte^1,2

1: Friedrich-Schiller-Universität Jena, Faculty of Physics and Astronomy, Institute of Applied Physics, Abbe Center of Photonics, Albert-Einstein-Str. 15, 07745 Jena, Germany; 2: Fraunhofer Institute for Applied Optics and Precision Engineering IOF, Albert-Einstein-Str. 7, 07745 Jena, Germany

Measurement of real temperatures in metal powder bed fusion: hyperspectral thermography

Simon J. Altenburg, Philipp P. Breese

Bundesanstalt für Materialforschung und -prüfung, Germany

The Role of Ring Beam Shaping in Laser Powder Bed Fusion of Ti-6Al-4V components

Marida Pontrandolfi^1,2, Linda Squillaci^3,4, Jonas Olsson³, Giovanni Pappalettera⁵, Caterina Casavola⁵, Robert Pederson³, Antonio Ancona^1,2,3

1: Intercollegiate Department of Physics “M. Merlin”, University of Bari and Polytechnic University of Bari, Italy; 2: National Research Council (CNR), Institute for Photonics and Nanotechnologies (IFN), Bari, Italy; 3: Department of Engineering Science, University West, Trollhättan, 461 86, Sweden; 4: GKN Aerospace Sweden, SE-461 38, Trollhättan, Sweden; 5: Department of Mechanics, Mathematics and Management, Polytechnic University of Bari, Italy

Enhancing Build Rate in Laser Powder Bed Fusion with Optimized Laser Intensity Distribution

Mahmoud Ziat, Sacha Grelet, Adeline Orieux, Gwenn Pallier, Guillaume Labroille

Cailabs, France

Production of soft magnetic FeSi6.5 components using laser beam shaping at PBF-LB/M to avoid cracks without additional heating

David Kolb¹, Robin Wenger¹, Christian Schröter², Alex Kingsbury³, Harald Riegel¹

1: LaserApplicationCenter (LAZ), Aalen University, Beethovenstraße 1, 73430 Aalen, Germany; 2: Optoprim Germany GmbH, Einsteinstraße 12, 85716 Unterschleißheim, Germany; 3: nLIGHT, Inc., 4637 NW 18th Ave, 98607 Camas WA, United States of America

Laser powder bed fusion of rare-earth-based permanent magnets: Enhance Density and Coercivity

Nadine Stratmann¹, Philipp Gabriel¹, Priyatosh Sahoo², Anna Rosa Ziefuss¹, Konstantin Skokov², Oliver Gutfleisch², Stephan Barcikowski¹

1: Technical Chemistry I; University of Duisburg-Essen; Germany; 2: Functional Materials, Institute of Material Science; Technical University of Darmstadt; Germany

3D-Printed Metamaterial Structures for Electromagnetically Induced Transparency at THz Frequencies

Savvas Papamakarios¹, Odysseas Tsilipakos², Ioannis Katsantonis¹, Anastasios Koulouklidis¹, Maria Manousidaki¹, Gordon Zyla¹, Christina Daskalaki¹, Stelios Tzortzakis¹, Maria Kafesaki¹, Maria Farsari¹

1: FORTH/IESL, N. Plastira 100, 70013, Heraklion,Greece; 2: Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, GR-11635 Athens, Greece

Optimizing Dynamic Performance of Galvanometric Scanners through Advanced Trajectory Planning for Laser Material Processing

Pawel Garkusha, Michael F. Zaeh

Technical University of Munich, Germany

Integration of Galvanometer Scanners in ROS for Path Planning in Robot-Based Laser Material Processing

Jan-Niklas Schneider, Leon Gorissen, Thomas Kaster, Christian Hinke

Chair for Laser Technology - RWTH Aachen University, Germany

Improving Remanufacturing with Cobots: Sensor-Enhanced Path Planning for Automated Laser Cleaning

Thomas Kaster, Jan-Niklas Schneider, Leon Gorissen, Christian Hinke

Chair for Laser Technology - RWTH Aachen University, Germany

Automation of High-Power USPL Technology using In-situ Monitoring and Hollow-core Fiber Coupling

Adam Hicks¹, Jared Speltz²

1: US Air Force Research Laboratory, United States of America; 2: University of Dayton Research Institute

Beam shaping, process monitoring and AI - a perfect combination for robust and safe laser beam welding

Markus Kogel-Hollacher^1,2, Thomas Nicolay¹, Joachim Schwarz³, Gwenn Pallier⁴

1: Precitec Optronik GmbH; 2: Precitec GmbH & Co,KG; 3: Precitec Vision GmbH & Co. KG; 4: CAILABS

Systematic Characterization of Ring-Shaped Laser Beams

Johannes Rossnagel, Stefan Wolf, Reinhard Kramer, Ruben Hartwig, Nicholas Harrop

PRIMES GmbH, Germany

OCT for Controlled and Precise Robotic Arc Welding and Tactile Laser Welding and Brazing

Nataliya Deyneka Dupriez

Lessmüller Lasertechnik GmbH, Germany

Adaptive laser beam shaping with a deformable mirror for gap bridging in autogenous butt joint welding

Yongcui Mi¹, Fredrik Sikström¹, Morgan Nilsen¹, Stefano Bonora², Antonio Ancona^1,2,3

1: Department of Engineering Science, University West, Sweden; 2: Institute for Photonics and Nanotechnologies, Italy; 3: Physics Department, University of Bari "Aldo Moro", Italy

Automated rewelding processes based on inline detection of process anomalies during laser deep penetration welding

Andreas Krämer¹, Timon Ahlers¹, Ronald Pordzik¹, Tim Radel^1,2

1: BIAS - Bremer Institut für angewandte Strahltechnik GmbH, Klagenfurter Straße 5, 28359 Bremen, Germany; 2: MAPEX Center for Materials and Processes, Postfach 330 440, 28334 Bremen, Germany

Novel development of real-time capable data infrastructure for inline process observa-tion of 2D beam oscillation copper welding

Dirk Dittrich¹, Axel Jahn¹, Linda Ullmann¹, Frank Sonntag¹, Andreas Wetzig¹, Joshua Giltinan², Jeno Szep²

1: Fraunhofer Institute for Materials- and Beam Technology, Germany; 2: Fraunhofer USA Center Mid-Atlantic, USA

Influence of the beam diameter on the resistance of laser guards to green laser radiation

Matthias List¹, Uqba Aftab Alam², Rico Bühring¹, Moritz Beck², Hans-Joachim Krauß¹

1: Bayerisches Laserzentrum GmbH, Germany; 2: Laservision GmbH & Co. KG, Germany

Definition of requirements for robust seam-tracking in robotic laser welding applications

Matteo Moscatelli¹, Serge Dib², Cristiano Raffaldi³, Mara Tanelli¹, Ali Gökhan Demir²

1: Department of Electronics, Information and Bioengineering, Politecnico di Milano, Via Ponzio 34/5, 20133 Milan, Italy; 2: Department of Mechanical Engineering, Politecnico di Milano, Via La Masa 1, 20156 Milan, Italy; 3: BLM Group - Adige S.p.A, Via per Barco 11, 38056 Levico Terme, Italy

Melt pool and wire incorporation stability during laser Directed Energy Deposition

Joerg Volpp, Fredrik Sikström

Department of Engineering Science, University West, 461 86 Trollhättan, Sweden

Beam-Shaping - The easiest solution to increase benefits for Laser Powder Bed Fusion

Thinaut Atché, Aymen Chargui, Adeline Orieux, Gwenn pallier, Guillaume Labroille

Cailabs, France

Laser-assisted FFF for high-performance 3D printed components with enhanced mechanical strength

Andres González, Camilo Prieto, David Diego-Vallejo, Zaira M.Berdiñas, Alberto Pedreira, Ander Reizábal, Pablo Romero-Rodriguez

AIMEN Technology Center, Pol.Cataboi s/n, Porriño (Pontevedra), Spain

Production of linear support structures made of glass using additive manufacturing

Franz Hesse, Andreas Herrmann, Jörg Hildebrand, Jean Pierre Bergmann

Technische Universität Ilmenau, Ilmenau, Germany

Impact of CO2 Laser Radiation on Optical Fibers’ Waveguiding Characteristics in the Laser Glass Deposition Process

Florian Spengler^1,2, Sven-Olaf Waldhauer¹, Anna Karoline Rüßeler^1,2, Moritz Hinkelmann^1,2, Stefan Kaierle^1,2,3, Dietmar Kracht^1,2,4

1: Laser Zentrum Hannover e.V., Hollerithallee 8, 30419 Hannover, Germany; 2: Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering Innovation AcrossDisciplines), Hannover, Germany; 3: Institut für Transport- und Automatisierungstechnik, An der Universität 2, 30823 Garbsen, Germany; 4: Institut für Photonik, Nienburger Str. 17, 30167 Hannover, Germany

Comparative study of powder bed fusion of highly alloyed Al-Li using a CW and an ultrashort pulse laser

Lisa Matthäus¹, Hagen Peter Kohl¹, Dongmei Liu¹, Stephanie Lippmann¹, Stefan Nolte^1,2

1: Friedrich Schiller University Jena, Germany; 2: Fraunhofer Institute for Applied Optics and Precision Engineering IOF

Effect of interlayer deformation on microstructure of laser additively manufactured Inconel 625

Abeer Mithal^1,2, Vijay Shankar Sridharan^1,2, Nicholas Tan², Youxiang Chew², Sridhar Idapalapati¹

1: School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Republic of Singapore; 2: Advanced Remanufacturing and Technology Centre, Agency for Science Technology and Research, 3 Cleantech Loop, #01-01 Cleantech Two, Singapore 637143, Republic of Singapore

Laser-based powder fixation on textiles for highly functionalized coatings

Yashas Shivakumar, Annika Gambke

Textile Research Institute Thuringia-Vogtland, Germany

Virtual PID-Controlled Thermal Model for Enhanced Stability in High Mass Flow Directed Energy Deposition

Francisco Cordovilla¹, Piera Álvarez², María Ángeles Montealegre², Marcos Diaz¹, Sandra Chacón-Fenández¹, Ángel García-Beltrán¹, Ignacio Angulo¹, José L. Ocaña¹

1: Universidad Politécnica de Madrid, Spain; 2: Ikergune A.I.E., San Antolin, 3, 20870 Elgoibar, Guipúzcoa, Spain

Blister-Actuated Laser-Induced Forward Transfer (BA-LIFT): Dynamics and Numerical Modeling for Process Optimization

Juan José Moreno Labella, David Munoz-Martin, David Canteli, Cristina Muñoz-Garcia, Miguel Morales, Carlos Molpeceres

Centro Láser, Universidad Politécnica de Madrid, c/Alan Turing 1, 28038 Madrid, Spain

Investigation of a melt pool temperature control for the additive manufacturing process of tool components using laser directed energy deposition

Eike Tim Koopmann¹, Leonard Simon Plutz¹, Leonard Schmitz¹, Christoph Kaminsky¹, Henning Zeidler²

1: Mercedes-Benz AG, Sindelfingen, Germany; 2: Institute for Machine Elements, Design and Manufacturing, TU Bergakademie Freiberg, Freiberg, Germany

Monitoring of heat accumulation during laser cladding process

Martin Novak, Adam Cermak, Pavel Zeman, Petr Kolar

Department of Production Machines and Equipment (RCMT), Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka Street 4, 16000, Prague 6, Czech Republic

Enhancing Layer Adhesion in Material Extrusion AM with Adaptive Laser Preheating Integrated in Printhead

Dennis Meisner¹, Nikitas Kaftiranis¹, Petra Rapp², Stefan Hierl¹

1: OTH Regensburg, Germany; 2: Multec GmbH, Germany

Combining additive and subtractive manufacturing by cw- and ultrafast laser sources to create transient heat dissipating structures for temperature field optimization

Felix Teufel^1,2, Johannes Michel¹, Manuel Henn¹, Jake Benzing³, Maximilian Frey⁴, Nico Ulff⁴, Volker Schulze⁴, Frederik Zanger⁴, Christian Hagenlocher¹, Thomas Graf¹

1: Institut für Strahlwerkzeuge (IFSW) Universität Stuttgart, Germany; 2: University of Stuttgart, Graduate School of Excellence advanced Manufacturing Engineering (GSaME); 3: National Institute of Standards and Technology (NIST) Fatigue and Fracture Group, USA; 4: Karlsruhe Institute of Technology (KIT), wbk Institute of Production Science

Fast spatial pulse distribution for Laser Powder Bed Fusion (PBF-LB/M)

Daniel Heussen¹, Wilhelm Meiners¹, Tim Lantzsch¹, Niklas Praetzsch¹, Thomas Laag¹, Constantin Leon Haefner^1,2

1: Fraunhofer Institute for Laser Technology ILT, Aachen, Germany; 2: RWTH Aachen University - Chair for Laser Technology LLT, Aachen, Germany

Challenges for integrating a laser micro-machining laser into an SLM (Selective Laser Melting) machine.

Julien DUPUY¹, Alexandre Miazek¹, Julien Magnien², Yves Hernandez¹

1: Multitel, Belgium; 2: Sirris, Belgium

Macro-SLM - A cost efficient powder bed approach for cubic meter steel components

Andreas Kotsch, Martin Erler, Sebastian Weinhold, Michael Pfeifer, André Streek

Laserinstitut Hochschule Mittweida, Germany

Feasibility Analysis and Initial Findings on Additive Repairing of Turbine Blades Using the MESSIAH System

Myriam Maalaoui¹, Hans-Henrik Westermann², Jens Niedermeyer¹, Ina Meyer¹, Roland Lachmayer¹

1: Institute of Product Development (IPeG), Leibniz University Hannover, Germany; 2: MTU Maintenance Hannover GmbH, Germany

Development of a centrifugal laser powder bed fusion system for additive manufacturing

Jan-Hendrik Koch¹, Florian Hüsing¹, Henning Janssen¹, Christian Brecher^1,2

1: Fraunhofer Institute for Production Technology IPT, Steinbachstraße 17, 52074 Aachen, Germany; 2: Laboratory for Machine Tools and Production Engineering WZL of the RWTH Aachen University, Campus-Boulevard 30, 52074 Aachen, Germany

Laser-based additive manufacturing sustainability assesment and optimization by process and machine monitoring

Roberto Alonso, Alexandre Martín-Mestres, Iago Gil, Sara Carracelas, Jorge Luis Arias

AIMEN Technology Centre, Spain