2021 | |
IVT- Electric, Hybrid and alternative Powertrain Solutions | 29 und 30 Juni 2021 |
8. Fachtagung Hybride und energieeffiziente Antrieb für mobile Arbeitsmaschinen, VDMA KIT | 23. Februar 2021 |
4TH Annual Electrification & Battery Development for Non-Road Applications | 18 und 19 Januar 2021 |
2020 | |
E-Motive 12TH Konferenz | 15. bis 17. September 2020 |
iVT EXPO INDUSTRIAL VEHICLE TECHNOLOGY, Köln | 24. bis 25. Juli 2020 |
AIAA AVIATION Forum, Reno (USA) C. Ocker, T.F. Geyer, F. Czwielong, F. Krömer, S. Becker, M. Merkel, W. Pannert, Experimental Investigation of the Impact of 3D-Metal-Printed Perforated Leading Edges on Airfoil and Axial Fan Noise. Proceedings of 26th AIAA/CEAS Aeronautics Conference, 2020, 14-19 June. https://doi.org/10.2514/6.2020-2529 | 15. bis 19. Juni 2020 |
WindForS Spring Meeting, Stuttgart | 25. bis 27 Februar 2020 |
3rd Annual Electrification & Battery Development for Non-Road Applications, Frankfurt | 06. bis 07. Februar 2020 |
WJAM International Conference / Welding, Joining & Additive Manufacturing, Ramat-Gan (Israel) | 27. bis 29. Januar 2020 |
2019 | |
13th International Conference on Advanced Computational Engineering and Experimenting, ACEX-2019, Athen | 01.bis 05. Juli 2019 |
Hannover Messe, Hannover | 01. bis 05. April 2019 |
MAV Innovation Forum, Böblingen | 21. März 2019 |
Electric & Hybrid Industrial Vehicle Technology Conference 2019, Köln | 13. und 14. Februar 2019 |
2018 | |
Technologietag Leichtbau 2018, Schwäbisch Gmünd | 23. Oktober 2018 |
Experience Additive Manufacturing, Augsburg | 25. bis 27. September 2018 |
"100 Stunden Morgen" Themenwoche zur digitalen Zukunft und Innovation im Mittelstand, Stuttgart | 24. bis 28. September 2018 |
make Ostwürttemberg ZUKUNFT. TRENDS. DIGITALITÄT., Heidenheim | 22. und 23. September 2018 |
IUTAM Symposium on Mechanical Design and Analysis for AM Technologies, Moskau J. Tomas, M. Merkel, H. Altenbach, On the optical thermography in selective laser melting process. (Keynote), IUTAM Symposium on Mechanical Design and Analysis for AM Technologies.Moscow, Russia, August 20 – 25, 2018 | 20. bis 25. August 2018 |
12th International Conference on Advanced Computational Engineering and Experimenting, ACEX-2018, Amsterdam | 01. bis 05. Juli 2018 |
Pro-AM 2018, The 3rd International Conference on Progress in Additive Manufacturing, Singapore J. Tomas, T. Schubert, T. Bernthaler, M. Merkel, G. Schneider, D. Sellmer, Laser sintering of tungsten carbide cutter shafts with integrated cooling channels, Proceedings of the 3rd International Conferences on Progress in Additive Manufacturing, 297 - 302, 2018. https://hdl.handle.net/10356/88554 | 14. bis 17. Mai 2018 |
Hannover Messe, Hannover | 23. bis 27. April 2018 |
Laufende Projekte
Green Hub für die Paketlogistik der Zukunft | 09.2020 - 08.2022 |
ErgonomIsche Cyberphysische Gehölzverpflanzungsmaschine, schwingungsoptimiert mit Online Wartung | 08.2020 - 01.2023 |
Hybride Integration von Faserverbundkomponenten und additiv gefertigter metallischer Komponenten für Hochpräzisionsanwendungen (µFa3DMet) | 02.2020 - 07.2021 |
Additive Verschleißschicht mit integrierter Sensorik (AViS) | 10.2019 - 12.2021 |
Automatisiertes Modul zur intelligenten Nachbearbeitung im Metall 3D-Druck | 09.2019 - 08.2021 |
Robuste Auslegung und Dimensionierung sicherheitsrelevanter Bauteile für den 3D-Metalldruck (ROAD3D) | 07.2019 - 12.2021 |
SmartPro AddFunk | 2017 - 2021 |
Abgeschlossene Projekte
Kompaktes, smartes Magnetventil für den Einsatz in der Mobil- und Stationärhydraulik | 05.2018 - 11.2020 |
3D-Druck für Hochpräzisionskomponenten und Medizingerätetechnik: neue Anwendungsgebiete durch smarte Materialien und intelligentes Design (3DPräkomMed) | 05.2019 - 04.2020 |
Entwicklung einer intelligenten und energieeffizienten (hybriden) elektrischen Antriebsplattform für Multifunktionsfahrzeuge Muffel+ | 08.2017 - 01.2020 |
Selektives Lasersintern zum Aufbau von Hartmetall Bauteile | 08.2016 - 11.2019 |
Gehäusesystem für Bild- und Lidarsensoren | 02.2019 - 08.2019 |
Entwicklung von additiv hergestellten Komponenten für Tiefziehwerkzeuge | 09.2017 - 08.2019 |
Selbstoptimierendes optisch messendes Sensorsystem basierend auf additiv gefertigten optischen Komponenten | 12.2015 - 11.2018 |
SuperCOOL – Entwicklung eines aktiv gekühlten, miniaturisierten, additiv hergestellten Kühlkörpers für eine LED Lupenbrillenbeleuchtung | 09.2015 - 01.2018 |
Entwicklung eines formvariablen Tresorsystems für den mobilen Einsatz | 10.2015 - 02.2018 |
Erforschung und Entwicklung einer kompakten Gleitringdichtung in Patronenbauweise auf der Basis von additiv hergestellten Teilkomponenten | 08.2015 - 07.2017 |
Elektromobilität -Serienflexible Technologien für elektrische Antriebe von Fahrzeugen | 07.2012 - 12.2015 |
Entwicklung einer Spannvorrichtung zum "Spannen ohne zu verspannen" | 07.2012 - 01.2015 |
Entwicklung eines modular aufgebauten Werkzeugsystems zur flexiblen, schnellen und kostengünstigen Herstellung von Holzfenstern und Holzhaustüren | 03.2012 - 02.2014 |
Papers
2021:
J. Tomas, A. Öchsner, M. Merkel, Experimental Study on Thermal Properties of Hollow Sphere Structures. Defect and Diffusion Forum, 407(4), 185-191, 2021
2020:
D. Schuhmann, M. Merkel, D.K. Harrison, Made to measure. The magazine for industrial vehicle technology, design & engineering, Ausgabe November 2020, 36-40, 2020
J. Tomas, L. Hitzler, M. Köller, J. von Kobylinski, M. Sedlmajer, E. Werner, M. Merkel, The Dimensional Accuracy of Thin-Walled Parts Manufactured by Laser-Powder Bed Fusion Process. J. Manuf. Mater. Process. 2020, 4(3), 91-103, 2020
https://doi.org/10.3390/jmmp4030091
S. Hafenstein, L. Hitzler, E. Sert, A. Öchsner, M. Merkel, E. Werner, Critical Quenching Rates After Solution Annealing: Peculiarities of Aluminum–Silicon Alloys Fabricated by Laser Powder-Bed Fusion. TMS 2020 149th Annual Meeting & Exhibition Supplemental Proceedings. Springer International Publishing, 2020
doi:10.1007/978-3-030-36296-6_32
L. Hitzler, E. Sert, E. Schuch, A. Öchsner, M. Merkel, B. Heine, E. Werner, Fracture toughness of L-PBF fabricated aluminium–silicon: a quantitative study on the role of crack growth direction with respect to layering. Progress in Additive Manufacturing, 2020
doi:10.1007/s40964-020-00113-x
L. Hitzler, S. Hafenstein, F. Mendez Martin, H. Clemens, E. Sert, A. Öchsner, M. Merkel, E. Werner, Heat Treatments and Critical Quenching Rates in Additively Manufactured Al–Si–Mg Alloys. Materials 13 (3), 720-737, 2020
M. Steinhauser, E. Sert, L. Hitzler, A. Öchsner, M. Merkel, Fatigue Behavior of the Additively Manufactured Tool Steel H13 after Surface Treatment using Different Post-Processing Methods. Practical Metallography, 57 (3), 140-167, 2020
doi:10.3139/147.110599
H. Baumgartl, J. Tomas, R, Büttner, M. Merkel, A deep learning-based model for defect detection in laser-powder bed fusion using in-situ thermographic monitoring. Progress in Additive Manufacturing, 5, 277-285, 2020.
https://doi.org/10.1007/s40964-019-00108-3
E. Sert, L. Hitzler, S. Hafenstein, M. Merkel, E. Werner, A. Öchsner, Tensile and compressive behaviour of additively manufactured AlSi10Mg samples. Progress in Additive Manufacturing 5, 305-313, 2020.
doi:10.1007/s40964-020-00131-9
E. Sert, L. Hitzler, M. Merkel, E. Werner, A. Öchsner, Additive manufacturing of AlSi10Mg samples using the selective laser melting technique: correlation between tensile and torsion behavior. Materialwissenschaft und Werkstofftechnik 51 (7), 856-861, 2020.
2019:
E. Sert, L. Hitzler, B. Heine, M. Merkel, E. Werner, A. Öchsner, Influence of the Heat Treatment on the Microstructure and Hardness of Additively Manufactured AlSi10Mg Samples. Pract. Metallogr., Vol. 56, No. 2, 91-105, 2019
https://doi.org/10.3139/147.110560
E. Sert, E. Schuch, A. Öchsner, L. Hitzler, E. Werner, M. Merkel, Tensile strength performance with determination of the Poisson‘s ratio of additively manufactured AlSi10Mg samples. Materialwiss. Werkstofftech., 50, 539-545, 2019
https://doi.org/10.1002/mawe.201800233
S. Heilgeist, B. Heine, M. Merkel, L. Hitzler, Z. Javanbakht, A. Öchsner, The influence of post-heat treatments on the tensile strength and surface hardness of selectively laser-melted AlSi10Mg. Materialwiss. Werkstofftech., 50, 546-552, 2019
https://doi.org/10.1002/mawe.201800236
L. Hitzler, J. Hirsch, J. Tomas, M. Merkel, W. Hall, A. Öchsner, In-plane Anisotropy of Selective Laser Melted Stainless Steel: The Importance of the Rotation Angle Increment and the Limitation Window. Proc. Inst. Mech. Eng., Part L, 233(7), 1419-1428, 2019
https://doi.org/10.1177/1464420718757068
L. Hitzler, E. Sert, M. Merkel, A. Öchsner, E. Werner, Fracture Toughness and Fatigue Strength of Selective Laser Melted Aluminium–Silicon: An Overview. The Minerals, Metals & Materials Society (ed.), TMS 2019 148th, 407-412, 2019
https://doi.org/10.1007/978-3-030-05861-6_37
2018:
J.P. Körperich, M. Merkel, Thermographic analysis of the building height impact on the properties of tool steel in selective laser beam melting. Materials Science & Engineering Technology, 49 (5), 689-695, 2018
https://doi.org/10.1002/mawe.201800010
L. Hitzler, M. Merkel, W. Hall, A. Öchsner, A Review of Metal Fabricated with Powder-Bed Based Additive Manufacturing Techniques: Process, Nomenclature, Materials, Achievable Properties, and its Utilization in the Medical Sector. Advanced Engineering Materials, 20 (5), 1-28, 2018.
https://doi.org/10.1002/adem.201700658
L. Hitzler, N. Schoch, B. Heine, M. Merkel, W. Wall, A. Öchsner, Compressive behaviour of additively manufactured AlSi10Mg, Materials Science & Engineering Technology, 49, 683 - 688, 2018.
https://doi.org/10.1002/mawe.201700239
E. Sert, L. Hitzler, M. Merkel, A. Öchsner, Development of additively manufactured, topology-optimized interface elements uniting an electrical drivetrain with a conventional chassis. Materials Science & Engineering Technology, 49, 674 - 682, 2018.
https://doi.org/10.1002/mawe.201700274
L. Hitzler, J. Hirsch, J. Tomas, M. Merkel, W. Hall, A. Öchsner, In-plane Anisotropy of Selective Laser Melted Stainless Steel: The Importance of the Rotation Angle Increment and the Limitation Window. Journal of Materials: Design and Applications, 2018.
https://doi.org/10.1177/1464420718757068
L. Hitzler, F. Alifui-Segbaya, P. Williams, B. Heine, M. Heitzmann, W. Hall, M Merkel., A. Öchsner, Additive Manufacturing of Cobalt-Based Dental Alloys: Analysis of Microstructure and Physicomechanical Properties, Advances in Materials Science and Engineering, vol. 2018,
https://doi.org/10.1155/2018/8213023
2017:
L. Hitzler, P. Williams, M. Merkel, H. Wayne, A. Öchsner, Correlation between the Energy Input and the Microstructure of Additively Manufactured Cobalt-Chromium, Defect and Diffusion Forum, 379, 157 - 165, 2017.
https://doi.org/10.4028/www.scientific.net/DDF.379.157
L. Hitzler, J. Hirsch, M. Merkel, A. Öchsner, Thermal environment and inclination angle dependencies on the surface quality of selective laser melted 316L steel, Defect and Diffusion Forum, 372, 202 - 207, 2017.
https://doi.org/10.4028/www.scientific.net/DDF.372.202
L. Hitzler, J. Hirsch, M. Merkel, W. Hall, A. Öchsner, Position dependent surface quality in Selective Laser Melting. Materials Science & Engineering Technology, 48, 327 - 334, 2017.
https://doi.org/10.1002/mawe.201600742
L. Hitzler, J. Hirsch, B. Heine, M. Merkel, W. Hall, A. Öchsner, On the Anisotropic Mechanical Properties of Selective Laster-Melted Stainless Steel, Materials, 10, 1136, 2017.
https://doi.org/10.3390/ma10101136
L. Hitzler, J. Hirsch, J. Schanz, B. Heine, M. Merkel, W. Hall, A. Öchsner, Fracture toughness of selective laser melted AlSi10Mg, Journal of Materials: Design and Applications, 230, 789 – 798, 2017.
https://doi.org/10.1177/1464420716687337
L. Hitzler, C. Janousch, J. Schanz, M. Merkel, B. Heine, F. Mack, W. Hall, A. Öchsner, Direction and location dependency of selective laser melted AlSi10Mg specimens, Journal of Materials Processing Technology, 243, 48 - 61, 2017. https://doi.org/10.1016/j.jmatprotec.2016.11.029
J. Schanz, M. Hofele, S. Ruck, T. Schubert, L. Hitzler, G. Schneider, M. Merkel, H. Riegel, Metallurgical investigations of laser remelted additively manufactured AlSi10Mg parts, Materials Science & Engineering Technology, 48, 463 - 476, 2017.
https://doi.org/10.1002/mawe.201700039
L. Hitzler, J. Hirsch, M. Merkel, W. Hall, A. Öchsner, Position dependent surface quality in selective laser melting, Materials Science & Engineering Technology, 48, 327 - 334, 2017.
https://doi.org/10.1002/mawe.201600742
2016:
J. Schanz, M. Hofele, l. Hitzler, M. Merkel, H. Riegel, Laser polishing of additive manufactured AlSi10Mg parts with an oscillating laser beam, Machining, Joining and Modifications of Advanced Materials, Advanced Structured Materials, 61,159 - 169, 2016.
https://doi.org/10.1007/978-981-10-1082-8_16
A. Liebisch, M. Merkel, On the numerical simulation of the thermal behavior during the selective laser melting process, Materials Science & Engineering Technology, 47, 521 - 529, 2016. https://doi.org/10.1002/mawe.201600528
C. Janousch, R. Winkler, M. Merkel, H. Altenbach, A. Öchsner, On the isotropic and anisotropic thermal conductivity of metallic hollow sphere structures, Journal of Materials: Design and Applications, 230, 789 - 798, 2016. https://doi.org/10.1177/1464420715602726
L. Hitzler, C. Janousch, J. Schanz, M. Merkel, F. Mack, A. Öchsner, Non-destructive evaluation of AlSi10Mg prismatic samples generated by selective laser melting: Influence of manufacturing conditions, Materials Science & Engineering Technology, 47, 564 - 581, 2016.
https://doi.org/10.1002/mawe.201600532
2015:
L. Hitzler, M. Merkel, P. Freytag, Design of a subframe to integrate an electric drivetrain in existing vehicles, Materials Science & Engineering Technology, 46, 454 - 461, 2015.
https://doi.org/10.1002/mawe.201500421
Conferences:
D. Schuhmann, S. Reusch, M. Merkel, D.K. Harrison, Modular and scalable electric drive platform for non-road mobile machinery, Tagungsband 12th Expert Forum Electric Vehicle Drives 15 – 17 September, 2020 - online
C. Ocker, T.F. Geyer, F. Czwielong, F. Krömer, S. Becker, M. Merkel, W. Pannert, Experimental Investigation of the Impact of 3D-Metal-Printed Perforated Leading Edges on Airfoil and Axial Fan Noise. Proceedings of 26th AIAA/CEAS Aeronautics Conference, 2020, 14-19 June.
https://doi.org/10.2514/6.2020-2529
J. Tomas, M. Merkel, H. Altenbach, On the optical thermography in selective laser melting process. (Keynote), IUTAM Symposium on Mechanical Design and Analysis for AM Technologies.Moscow, Russia, August 20 – 25, 2018
M. Merkel, T. Schubert, T. Bernthaler, J. Tomas, G. Schneider, D. Sellmer, Laser sintering of tungsten carbide cutter shafts with integrated cooling channels, Proceedings of the 3rd International Conferences on Progress in Additive Manufacturing, 297 - 302, 2018.
https://doi.org/10.25341/D48G6C
A. Gütlein, Dipl.-Ing.; F. Weber, Dipl.-Wirtschafts-Chemiker; T. Schubert, M.Sc.; Dr. T. Bernthaler, Dipl.-Ing.; M. Sedlmajer, M.Eng.; Prof. Dr.-Ing. M. Merkel, Herstellung von hybriden Gleitringen mittels additivem Verfahren, Conference report: 20th International Sealing Conference ISC, Volume 2018,
https://doi.org/10.1016/S1350-4789(18)30433-1
A. Gütlein, F. Weber, A. Thiele, M. Merkel, M. Sedlmajer, D. Vogt, Cartridge seals with parts produced with laser beam melting, Conference report: 19th International Sealing Conference ICT, 2016. https://doi.org/10.1016/S1350-4789(16)30397-X
U. Berger, M. Merkel, A. Liebisch, The influence of preheating on laser beam melting, Proceedings of the 2nd International Conference on Progress in Additive Manufacturing (Pro-AM 2016), Singapore, 306-311, 2016.
Laufende Promotionen:
Josef Tomas Charakterisierung der thermo-mechanischen Eigenschaften additiv gefertigter Komponenten Otto-von-Guericke-Universität Magdeburg, Fakultät für Maschinenbau, Institut für Mechanik Prof. Dr.-Ing. habil. Dr. h. c. mult. Holm Altenbach |
Christof Ocker Lokalization and Quantification of Rotating Aeroacoustical Sources Rheinisch-Westfälische Technische Hochschule Aachen, Deutschland, Prof. Dr.-Ing. Wolfgang Schröder |
Mario Rupp Investigation and Analysis of Technological and Economical Aspects for Implementing Additive Manufacturing in the Process of Direct Digital Manufacturing Glasgow Caledonian University, Scotland UK, School of Computing, Engineering and Built Environment, Prof. D.K. Harrison, Prof. B. Wood |
Dirk Schuhmann Investigation on the integration of a hybrid powertrain into a multifunctional vehicle, including forward-looking production processes Glasgow Caledonian University, Scotland UK, School of Computing, Engineering and Built Environment, Prof. D.K. Harrison, Prof. B. Wood |
Abgeschlossene Promotionen:
Dr. Leonhard Hitzler Application of Selective Laser Melting in Density Griffith University, Griffith School of Engineering and Built Environment, Gold Coast Prof. Dr.-Ing. D. Sc. Andreas Öchsner |
Ann-Katrin Weiser Methodik eines holistischen Variantenmanagements modularer Produktfamilien - Grundlagen, Systematik und beispielhafte Anwendung der VMahead Methodik Karlsruher Institut für Technologie, KIT-Fakultät für Maschinenbau Prof. Dr. Dr.-Ing. Dr. h. c. Jivka Ovtcharova |
Dr.-Ing. Rolf Winkler Experimentelle und numerische Bestimmung strukturmechanischer und akustischer Eigenschaften von metallischen Hohlkugelstrukturen Martin-Luther-Universität Halle-Wittenberg, Zentrum für Ingenieurswissenschaften, Prof. Dr.-Ing. habil. Dr. h. c. mult. Holm Altenbach |