Prof. Dr.-Ing. habil. Dipl.-Wirtsch.-Ing. Michael Lechner

Department Maschinenbau (MB)
Lehrstuhl für Fertigungstechnologie (LFT, Prof. Merklein)

Egerlandstr. 13
91058 Erlangen

Mitarbeiterprofil

Leiter Arbeitskreis „Technologie“ des DFG Sonderfoschungsbereichs/Transregios 285 Mitglied der Graduate School of Advanced Optical Technologies Sonstiges

Lehrveranstaltungen

Winersemester 2025/26

Maßgeschneiderte Prozesstechnologien

Projekte

Erarbeitung eines Umformverfahrens zur Herstellung endkonturnaher Funktionsbauteile mit Blechdickengradient
Wandlungsfähiges Fügen mit Hilfsfügeteil
Erweiterung der Fügbarkeit und Verbesserung der Fügepunkteigenschaften bei mechanischen Fügeprozessen durch maßgeschneidert wärmebehandelte Aluminiumhalbzeuge
Anwendung des Taumelns zur Herstellung maßgeschneiderter Halbzeuge für den industriellen Einsatz
Konzeption einer adaptiven Prozesskette für das mechanische Fügen - Mechanisches Fügen 4.0
Herstellung von Tailored Blanks durch Taumeln und flexibles Walzen

Veröffentlichungen

Harms A., Römisch D., Reisacher D., Lechner M., Merklein M.:
Numerical investigation of an orbital forming process to join dissimilar materials with local material accumulation
In: Journal of Advanced Joining Processes (2026)
ISSN: 2666-3309
DOI: 10.1016/j.jajp.2025.100372
Sarris J., Lechner M.:
Forming of asymmetric rivet joints through a versatile self-piercing riveting process with tumbling kinematics
In: Proceedings of the Institution of Mechanical Engineers Part L-Journal of Materials-Design and Applications (2026)
ISSN: 1464-4207
DOI: 10.1177/14644207261422597

Benfer A., Hujo-Lauer D., Krüger M., Land K., Lechner M., Merklein M., Vogel-Heuser B.:
Using Style Transfer to Leverage Synthetic Data for Machine Learning-Based Quality Inspection in Forming Processes
21st IEEE International Conference on Automation Science and Engineering, CASE 2025 (Los Angeles, CA, USA, 17. August 2025 - 21. August 2025)
In: IEEE International Conference on Automation Science and Engineering 2025
DOI: 10.1109/CASE58245.2025.11164013
Durnagoz S., Gull M., Mayer M., Lechner M., Huber MF.:
Data-Driven Monitoring of Process Stability in Resistance Spot Welding
31st ICE IEEE/ITMC Conference on Engineering, Technology, and Innovation, ICE 2025 (Valencia, ESP, 16. Juni 2025 - 19. Juni 2025)
In: IEEE (Hrsg.): Proceedings of the 31st ICE IEEE/ITMC Conference on Engineering, Technology, and Innovation: AI-Driven Industrial Transformation: Digital Leadership in Technology, Engineering, Innovation and Entrepreneurship, ICE 2025 2025
DOI: 10.1109/ICE/ITMC65658.2025.11106545
Harms A., Hetzel A., Lechner M., Merklein M.:
Numerical and experimental investigation on the material flow in an orbital forming process to join functional components from dissimilar materials
In: Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture (2025), Art.Nr.: 09544054251337784
ISSN: 0954-4054
DOI: 10.1177/09544054251337784
Harms A., Wituschek S., Lechner M., Merklein M.:
Tailored multi-material systems with thickness distribution by orbital forming
In: CIRP Annals - Manufacturing Technology (2025)
ISSN: 0007-8506
DOI: 10.1016/j.cirp.2025.03.026
Lechner M., Borgert T., Busch M., Harms A., Holtkamp P., Kappe F., Römisch D., Wituschek S.:
Non-destructive testing in versatile joining processes
21st International Conference on Sheet Metal (Paderborn, 1. April 2025 - 3. April 2025)
In: G. Meschut, M. Bobbert, J. Duflou, L. Fratini, H. Hagenah, P. Martins, M. Merklein, F. Micari (Hrsg.): Sheet Metal 2025 2025
DOI: 10.21741/9781644903551-12
Lüder S., Holtkamp P., Wituschek S., Bobbert M., Meschut G., Lechner M., Schmale HC.:
Analysis of the binding mechanisms depending on versatile process variants of self-piercing riveting
Sheet Metal 2025 (Paderborn, 1. April 2025 - 3. April 2025)
In: Materials Research Proceedings 52 2025
DOI: 10.21741/9781644903551-13

Hetzel A., Biburger M., Lechner M., Merklein M.:
Tailored Heat Treatment Strategy for the Orbital Forming of Functional Components from EN AW-7075
DOI: 10.1007/978-3-031-41023-9_70
URL: https://link.springer.com/chapter/10.1007/978-3-031-41023-9_70
Hetzel A., Wituschek S., Römisch D., Sippel F., Lechner M., Merklein M.:
Investigation on the load-bearing capacity and joint formation of hybrid functional components joined by orbital forming
In: Proceedings of the Institution of Mechanical Engineers Part E-Journal of Process Mechanical Engineering (2024)
ISSN: 0954-4089
DOI: 10.1177/09544089241282807
Vicaria A., Vogel-Heuser B., Krüger M., Merklein M., Lechner M.:
A Comparative Investigation Introducing Regularization Techniques in Linear Regression Models for Quality Prediction in Forming Technology
2024 IEEE International Conference on Industrial Engineering and Engineering Management, IEEM 2024 (Bangkok, THA, 15. Dezember 2024 - 18. Dezember 2024)
In: IEEE International Conference on Industrial Engineering and Engineering Management 2024
DOI: 10.1109/IEEM62345.2024.10857210
Vogel-Heuser B., Vicaria A., Ji F., Höfgen J., Jäckisch M., Lechner M., Merklein M.:
A lightweight sensor ontology for supporting sensor selection, deployment, and data processing in forming processes
In: Production Engineering (2024)
ISSN: 0944-6524
DOI: 10.1007/s11740-024-01290-2
Wituschek S., Elbel L., Lechner M.:
Influence of the process time on a self-piercing riveting process with tumbling kinematic
In: Proceedings of the Institution of Mechanical Engineers Part E-Journal of Process Mechanical Engineering (2024)
ISSN: 0954-4089
DOI: 10.1177/09544089241248430
Wituschek S., Römisch D., Lechner M., Merklein M.:
Investigation on the limp properties of formed foils for hydrogen applications
In: IOP Conference Series: Materials Science and Engineering 1307 (2024), Art.Nr.: 012031
ISSN: 1757-8981
DOI: 10.1088/1757-899X/1307/1/012031

Fiedler L., Ma TC., Fritsch B., Risse JH., Lechner M., Dworschak D., Merklein M., Mayrhofer K., Hutzler A.:
Stability of Bipolar Plate Materials for Proton-Exchange Membrane Water Electrolyzers: Dissolution of Titanium and Stainless Steel in DI Water and Highly Diluted Acid
In: ChemElectroChem (2023)
ISSN: 2196-0216
DOI: 10.1002/celc.202300373
Fröck H., Graser M., Reich M., Lechner M., Merklein M., Kessler O.:
Numerical modelling of the process chain for aluminium Tailored Heat-Treated Profiles
In: Advanced Modeling and Simulation in Engineering Sciences 10 (2023), Art.Nr.: 8
ISSN: 2213-7467
DOI: 10.1186/s40323-023-00247-x
Hetzel A., Lechner M., Merklein M.:
Investigation on the shear cutting of functional components manufactured in an orbital forming process
20th International Conference on Sheet Metal, SheMet 2023 (Nuremberg, 3. April 2023 - 5. April 2023)
In: Marion Merklein, Hinnerk Hagenah, Joost R. Duflou, Livan Fratini, Paulo Martins, Gerson Meschut, Fabrizio Micari (Hrsg.): Materials Research Proceedings, Millersville PA, USA: 2023
DOI: 10.21741/9781644902417-8
URL: https://www.mrforum.com/product/9781644902417-8/
Kappe F., Wituschek S., de Pascalis V., Bobbert M., Lechner M., Meschut G.:
Numerical Investigation of the Influence of a Movable Die Base on Joint Formation in Semi-tubular Self-piercing Riveting
In: Materials Design and Applications IV, Springer Science and Business Media Deutschland GmbH, 2023, S. 137-149 (Advanced Structured Materials, Bd.168)
DOI: 10.1007/978-3-031-18130-6_10
Lechner M., Kappe F., Römisch D., Rostek T., Wituschek S.:
Innovative mechanical joining processes in versatile process chains - potentials, applications and selection procedures
Sheet Metal 2023 - 20th International Conference on Sheet Metal (Nürnberg, 2. April 2023 - 5. April 2023)
In: Materials Research Proceedings 2023
DOI: 10.21741/9781644902417-13
Wituschek S., Elbel L., Lechner M.:
Influence of the process time on a self-piercing riveting process with tumbling kinematic
3rd International Conference on Advanced Joining Processes (Braga, 19. Oktober 2023 - 20. Oktober 2023)
In: 3rd International Conference on Advanced Joining Processes 2023 2023
Wituschek S., Elbel L., Lechner M.:
Versatile self-piercing riveting with a tumbling superimposed punch
26th International ESAFORM Conference on Material Forming (Kraków, 19. April 2023 - 21. April 2023)
DOI: 10.21741/9781644902479-122
Wituschek S., Kappe F., Meschut G., Lechner M.:
Combination of versatile self-piercing riveting processes
International Conference on Sheet Metal 2023 (Nuremberg, 2. April 2023 - 5. April 2023)
In: Materials Research Proceedings 2023
DOI: 10.21741/9781644902417-16

Hetzel A., Lechner M., Aman A., Büdicker K., Merklein M.:
Potential of Orbital Formed Tailored Blanks for Industrial Application
Steel in Cars and Trucks (SCT) (Milano, 20. Juni 2022 - 23. Juni 2022)
Hetzel A., Lechner M., Merklein M.:
Investigation on a quasi-incremental tool concept to manufacture functional components with sheet thickness gradient
12th Tooling 2022 Conference and Exhibition (Örebro, 25. April 2022 - 27. April 2022)
Hetzel A., Sawodny A., Lechner M., Merklein M.:
Optical forming analysis of functional components manufactured in an orbital forming process
XL. Colloquium on Metal Forming (Zauchensee, Austria, 12. März 2022 - 15. März 2022)
Kappes F., Wituschek S., Bobbert M., Lechner M., Meschut G.:
Joining of multi-material structures using a versatile self-piercing riveting process
In: Production Engineering (2022)
ISSN: 0944-6524
DOI: 10.1007/s11740-022-01151-w
Kohl B., Krueger M., Dietl T., Lechner M., Trunzer E., Merklein M., Sedlmaier A., Vogel-Heuser B.:
Analysis of Distributed-Ledger-Technology for the Exchange of Design, Production and Simulation Data in Roll Forming
41st Annual Conference of the International-Deep-Drawing-Research-Group (IDDRG) (Lorient)
In: INTERNATIONAL DEEP-DRAWING RESEARCH GROUP CONFERENCE (IDDRG 2022), BRISTOL: 2022
DOI: 10.1088/1757-899X/1238/1/012070
Meschut G., Merklein M., Brosius A., Drummer D., Fratini L., Füssel U., Gude M., Homberg W., Martins PAF., Bobbert M., Lechner M., Kupfer R., Gröger B., Han D., Kalich J., Kappe F., Kleffel T., Köhler D., Kuball CM., Popp J., Römisch D., Troschitz J., Wischer C., Wituschek S., Wolf M.:
Review on mechanical joining by plastic deformation
In: Journal of Advanced Joining Processes (2022)
ISSN: 2666-3309
DOI: 10.1016/j.jajp.2022.100113
Oks SJ., Jalowski M., Lechner M., Mirschberger S., Merklein M., Vogel-Heuser B., Möslein K.:
Cyber-Physical Systems in the Context of Industry 4.0: A Review, Categorization and Outlook
In: Information Systems Frontiers (2022)
ISSN: 1387-3326
DOI: 10.1007/s10796-022-10252-x
URL: https://link.springer.com/article/10.1007/s10796-022-10252-x
Römisch D., Hetzel A., Wituschek S., Lechner M., Merklein M.:
Pin Extrusion for Mechanical Joining from Orbital Formed Tailored Blanks with Local Material Pre-Distribution
In: Journal of Manufacturing and Materials Processing 6 (2022), S. 127
ISSN: 2504-4494
DOI: 10.3390/jmmp6060127
Wituschek S., Kappe F., Meschut G., Lechner M.:
Geometric and mechanical joint characterization of conventionally and tumbled self-piercing riveting joints
In: Proceedings of the Institution of Mechanical Engineers Part L-Journal of Materials-Design and Applications (2022), S. 146442072211354
ISSN: 1464-4207
DOI: 10.1177/14644207221135400
Wituschek S., Lechner M.:
Investigation of the influence of the tumbling angle on a tumbling self-piercing riveting process
In: Proceedings of the Institution of Mechanical Engineers Part L-Journal of Materials-Design and Applications (2022), S. 146442072210800
ISSN: 1464-4207
DOI: 10.1177/14644207221080068
Wituschek S., Lechner M.:
Mechanical and geometrical characterisation of tumbling self-piercing riveting joints in multi-material-systems
In: IOP Conference Series: Materials Science and Engineering 1270 (2022), S. 012124
ISSN: 1757-8981
DOI: 10.1088/1757-899X/1270/1/012124
Wituschek S., Lechner M.:
Versatile tool design for a tumbling self-piercing riveting process
The 12th Tooling Conference & Exhibition, Tooling 2022 (Örebro, 25. April 2022 - 27. April 2022)

Friedlein J., Wituschek S., Lechner M., Mergheim J., Steinmann P.:
Inverse parameter identification of an anisotropic plasticity model for sheet metal
40th International Deep-Drawing Research Group Conference (IDDRG) (, ELECTR NETWORK)
In: INTERNATIONAL DEEP-DRAWING RESEARCH GROUP CONFERENCE (IDDRG 2021), BRISTOL: 2021
DOI: 10.1088/1757-899X/1157/1/012004
Hetzel A., Lechner M.:
Orbital Forming of Tailored Blanks for Industrial Application
In: Merklein M, Tekkaya A. E, Behrens B-A (Hrsg.): Sheet Bulk Metal Forming, Cham: Springer Nature, 2021, S. 458-476 (Lecture Notes in Production Engineering)
ISBN: 978-3-030-61901-5
DOI: 10.1007/978-3-030-61902-2
Hetzel A., Lechner M., Merklein M.:
Joining of hybrid semi-finished products from sheet metal by orbital forming
In: Proceedings of the Institution of Mechanical Engineers Part L-Journal of Materials-Design and Applications (2021), S. 1-9
ISSN: 1464-4207
DOI: 10.1177/14644207211067649
Hetzel A., Merklein M., Lechner M.:
Influence of a local short-term heat treatment on the formability of orbital formed functional components
In: Procedia Manufacturing 53 (2021), S. 72-79
ISSN: 2351-9789
DOI: 10.1016/j.promfg.2021.06.012
Hetzel A., Schulte RK., Vogel M., Lechner M., Besserer HB., Maier HJ., Sauer C., Schleich B., Wartzack S., Merklein M.:
Functional Analysis of Components Manufactured by a Sheet-Bulk Metal Forming Process
In: Journal of Manufacturing and Materials Processing 5 (2021), S. 1-18
ISSN: 2504-4494
DOI: 10.3390/jmmp5020049
Lechner M., Frey P., Kreß M., Christ T., Charlet C., Merklein M.:
Blockchain-Systeme für den manipulationssicheren Datenaustausch in der industriellen Fertigung: Distributed Ledgers für den Materialdatenaustausch
In: wt Werkstattstechnik - Online 111 (2021), S. 857-862
ISSN: 1436-4980
DOI: 10.37544/1436-4980-2021-11-12-88
Lechner M., Frey P., Kreß M., Christ T., Charlet C., Merklein M.:
Distributed Ledgers für den Materialdatenaustausch
In: wt Werkstattstechnik - Online 111 (2021), S. 857 - 862
ISSN: 1436-4980
DOI: 10.37544/1436-4980-2021-11-12-87
Meinhardt M., Lechner M., Merklein M.:
Experimental analysis of the influence of the embossing and upsetting process on joint strength in resistance element welding with upset auxiliary joining elements
40th International Deep-Drawing Research Group Conference (IDDRG) (, ELECTR NETWORK)
In: INTERNATIONAL DEEP-DRAWING RESEARCH GROUP CONFERENCE (IDDRG 2021), BRISTOL: 2021
DOI: 10.1088/1757-899X/1157/1/012002
Vogel M., Schulte RK., Lechner M., Merklein M.:
Process Combination for the Manufacturing of Toothed, Thin-Walled Functional Elements by Using Process Adapted Semi-finished Products
DOI: 10.1007/978-3-030-61902-2_1
Wituschek S., Kappe F., Lechner M.:
Investigation of the influence of varying tumbling strategies on a tumbling self-piercing riveting process
In: Production Engineering (2021)
ISSN: 0944-6524
DOI: 10.1007/s11740-021-01099-3
Wituschek S., Lechner M.:
Friction Characterisation for a Tumbling Self-Piercing Riveting Process
In: Key Engineering Materials 883 (2021), S. 27-34
ISSN: 1013-9826
DOI: 10.4028/www.scientific.net/KEM.883.27
Wituschek S., Lechner M.:
Investigation of the Influence of the Tumbling Angle on a Tumbling Self-Piercing Riveting Process
2nd International Conference on Advanced Joining Processes AJP 2021
DOI: 10.1177/14644207221080068
Wituschek S., Lechner M.:
Material characterisation methods for a tumbling self-piercing riveting process
24th International ESAFORM Conference on Material Forming, ESAFORM 2021 (, 14. April 2021 - 16. April 2021)
In: ESAFORM 2021 - 24th International Conference on Material Forming 2021
DOI: 10.25518/esaform21.398

Hetzel A., Lechner M.:
Lokale Kurzzeitwärmebehandlung zur Erweiterung der Formgebungsgrenzen prozessangepasster Halbzeuge der Aluminiumlegierung AA6016
23. Umformtechnisches Kolloquium Hannover (Hannover, 4. März 2020 - 5. März 2020)
In: Behrens B.-A. (Hrsg.): Aktuelle Entwicklungen im Bereich der Umformtechnik - 23. Umformtechnisches Kolloquium Hannover, Hannover: 2020
Hetzel A., Merklein M., Lechner M.:
Enhancement of the Forming Limits for Orbital Formed Tailored Blanks by Local Short-term Heat Treatment
In: Procedia Manufacturing 47 (2020), S. 1197-1202
ISSN: 2351-9789
DOI: 10.1016/j.promfg.2020.04.177
Kappe F., Wituschek S., Lechner M., Bobbert M., Meschut G., Merklein M.:
Investigation of influencing parameters on the joint formation of the self-piercing riveting process
Material Science and Engineering Congress - MSE 2020 (Darmstadt, 22. September 2020 - 25. September 2020)
Lechner M., Christ T., Frey P., Wituschek S., Arzhanov A., Petrov F., Merklein M.:
Blockchain in sheet metal processing.
In: wt Werkstattstechnik - Online 110 (2020), S. 704-708
ISSN: 1436-4980
DOI: 10.37544/1436-4980-2020-10-60
Schulte RK., Lechner M., Merklein M.:
Fundamental analysis For the application of hybrid semi-finished products in sheet-bulk metal forming
In: Journal of Materials Processing Technology 283 (2020), Art.Nr.: 116709
ISSN: 0924-0136
DOI: 10.1016/j.jmatprotec.2020.116709
Schulte RK., Papke T., Lechner M., Merklein M.:
Additive Manufacturing of Tailored Blank for Sheet-Bulk Metal Forming Processes
DOI: 10.1088/1757-899X/967/1/012034
Streit FJ., Wituschek S., Pschyklenk M., Becher A., Lechner M., Wildermann S., Pitz I., Merklein M., Teich J.:
Data acquisition and control at the edge: a hardware/software-reconfigurable approach
In: Production Engineering 14 (2020), S. 365-371
ISSN: 0944-6524
DOI: 10.1007/s11740-020-00964-x
Vogel M., Schulte RK., Hetzel A., Lechner M., Merklein M.:
Verfahrenskombination zur umformtechnischen Herstellung von verzahnten, dünnwandigen Funktionselementen aus prozessoptimierten Halbzeugen
23. Umformtechnisches Kolloquium Hannover (Hannover, 4. März 2020 - 5. März 2020)
In: Behrens B.-A. (Hrsg.): Aktuelle Entwicklungen im Bereich der Umformtechnik - 23. Umformtechnisches Kolloquium Hannover 2020
Wiesenmayer S., Frey P., Lechner M., Merklein M.:
Determination of the properties of semi-finished parts in blanking processes
International Deep-Drawing Research Group (IDDRG 2020) (Busan, 26. Oktober 2020 - 30. Oktober 2020)
In: IOP Conference Series: Materials Science and Engineering 2020
DOI: 10.1088/1757-899X/967/1/012009
Wituschek S., Kuball CM., Merklein M., Lechner M.:
Test method for friction characterization of rivets
In: Defect and Diffusion Forum 404 DDF (2020), S. 132-137
ISSN: 1012-0386
DOI: 10.4028/www.scientific.net/DDF.404.132

Frey P., Lechner M., Bauer T., Shubina T., Yassin A., Wituschek S., Virkus M., Merklein M.:
Blockchain for forming technology - Tamper-proof exchange of production data
38th International Deep Drawing Research Group Annual Conference, IDDRG 2019 (Enschede, 3. Juni 2019 - 7. Juni 2019)
In: Ton van den Boogaard, Javad Hazrati, Nico Langerak (Hrsg.): IOP Conference Series: Materials Science and Engineering 2019
DOI: 10.1088/1757-899X/651/1/012046
Hagenah H., Schulte RK., Vogel M., Hermann J., Scharrer H., Lechner M., Merklein M.:
4.0 in metal forming - Questions and challenges
12th CIRP Conference on Intelligent Computation in Manufacturing Engineering, CIRP ICME 2018 (Naples, 18. Juli 2018 - 20. Juli 2018)
In: Roberto Teti (Hrsg.): Procedia CIRP 2019
DOI: 10.1016/j.procir.2019.02.055
Lechner M., Schulte RK., Merklein M.:
Augmented Reality for Forming Technology - Visualisation of Simulation Results and Component Measurement
38th International Deep Drawing Research Group Annual Conference, IDDRG 2019 (Enschede, 3. Juni 2019 - 7. Juni 2019)
In: Ton van den Boogaard, Javad Hazrati, Nico Langerak (Hrsg.): IOP Conference Series: Materials Science and Engineering 2019
DOI: 10.1088/1757-899X/651/1/012045
Meinhardt M., Endres M., Graf M., Lechner M., Merklein M.:
Analysing resistance element welding with upset auxiliary joining steel-elements under shear load
18th International Conference on Sheet Metal, SHEMET 2019 (Leuven, 15. April 2019 - 17. April 2019)
In: Joost R. Duflou, Yannick Carette, Livan Fratini, Fabrizio Micari, Marion Merklein, Hinnerk Hagenah (Hrsg.): Procedia Manufacturing 2019
DOI: 10.1016/j.promfg.2019.02.145
Vogel M., Schulte R., Freiburg D., Lechner M., Biermann D., Merklein M.:
Maßgeschneiderter Werkzeugoberflächen in einem flexiblen Walzprozess
DOI: 10.25593/978-3-96147-280-2
(Conference report)

Hildenbrand P., Lechner M., Vogel M., Herrmann H., Merklein M.:
Orbital forming of tailored blanks with two-sided local material thickening
In: International Journal of Advanced Manufacturing Technology 97 (2018), S. 1-10
ISSN: 0268-3768
DOI: 10.1007/s00170-018-2009-7
Michalski M., Lechner M., Gruber M., Merklein M.:
Influence of ultrasonic vibration on the shear formability of metallic materials
In: CIRP Annals - Manufacturing Technology 67 (2018), S. 277-280
ISSN: 0007-8506
DOI: 10.1016/j.cirp.2018.04.108
Vogel M., Lechner M.:
Manufacturing of process adapted tailored blanks by a flexible rolling process using the aluminum alloy AA6016
In: Key Engineering Materials 15 (2018), S. 1224-1231
ISSN: 1013-9826
DOI: 10.1016/j.promfg.2018.07.365

Bambach M., Buhl J., Hart-Rawung T., Lechner M., Merklein M.:
Towards virtual deformation dilatometry for the design of hot stamping process
International Conference on the Technology of Plasticity, ICTP 2017 (Hucisko, GBR, 17. September 2017 - 22. September 2017)
In: Julian Allwood (Hrsg.): Procedia Engineering 2017
DOI: 10.1016/j.proeng.2017.10.945
Froeck H., Graser M., Reich M., Lechner M., Merklein M., Kessler O.:
Linked heat treatment and bending simulation of aluminium tailored heat treated profiles
4th World Congress on Integrated Computational Materials Engineering, ICME 2017 (Ypsilanti, MI, USA, 21. Mai 2017 - 25. Mai 2017)
In: Paul Mason, Georg J. Schmitz, Amarendra K. Singh, Charles R. Fisher, Alejandro Strachan, Ryan Glamm, Michele V. Manuel (Hrsg.): Minerals, Metals and Materials Series 2017
DOI: 10.1007/978-3-319-57864-4_22
Fröck H., Graser M., Milkereit B., Reich M., Lechner M., Merklein M., Kessler O.:
Precipitation behaviour and mechanical properties during short‑term heat treatment for tailor heat treated profiles (THTP) of aluminium alloy 6060 T4
15th International Conference on Aluminium Alloys, ICAA 2016 (Chongqing, 12. Juni 2016 - 16. Juni 2016)
In: Qing Liu, Robert Sanders, Zhihong Jia, Lingfei Cao, Jian-Feng Nie, Jian-Feng Nie (Hrsg.): Materials Science Forum 2017
DOI: 10.4028/www.scientific.net/MSF.877.400
Kirchen I., Vogel-Heuser B., Hildenbrand P., Schulte RK., Vogel M., Lechner M., Merklein M.:
Data-driven Model Development for Quality Prediction in Forming Technology
In: 15th IEEE International Conference on Industrial Informatics (INDIN) 2017
DOI: 10.1109/INDIN.2017.8104871
Lechner M., Schulte RK., Meckler S., Merklein M.:
Augmented Reality Technology for the Purpose of Sheet Metal Forming Simulation Evaluation
10th Forming Technology Forum 2017 - Model Based Control for Smart Forming Processes
In: van den Boogaard, T. (Hrsg.): 10th Forming Technology Forum 2017 - Model Based Control for Smart Forming Processes 2017
Schulte RK., Frey P., Hildenbrand P., Vogel M., Betz C., Lechner M., Merklein M.:
Data-Based Control of A Multi-Step Forming Process
In: Proc. International Deep Drawing Research Group Conf. IDDRG 2017 2017
DOI: 10.1088/1742-6596/896/1/012037
Schulte RK., Hildenbrand P., Lechner M., Merklein M.:
Designing, manufacturing and processing of Tailored Blanks in a sheet-bulk metal forming process
In: 45th SME North American Manufacturing Research Conference, NAMRC 45, LA, USA 2017
DOI: 10.1016/j.promfg.2017.07.059
Schulte RK., Hildenbrand P., Vogel M., Lechner M., Merklein M.:
Analysis of fundamental dependencies between manufacturing and processing Tailored Blanks in sheet-bulk metal forming processes
In: International Conference on the Technology of Plasticity, ICTP 2017, 17-22 September 2017, Cambridge, United Kingdom 2017
DOI: 10.1016/j.proeng.2017.10.779
Schulte RK., Lechner M., Vogel M., Hildenbrand P., Merklein M.:
Umformtechnische Herstellung von Funktionsbauteilen aus Tailored Blanks durch Blechmassivumformverfahren
22. Umformtechnisches Kolloquium Hannover – Innovationspotentiale in der Umformtechnik. 15./16.03.2017 (, 15. März 2017 - 16. März 2017)
In: 22. Umformtechnisches Kolloquium Hannover – Innovationspotentiale in der Umformtechnik. 15./16.03.2017 2017
Vogel M., Lechner M., Hildenbrand P., Schulte RK., Merklein M.:
Manufacturing of tailored blanks by flexible rolling and its application in a sheet-bulk metal forming process
SCT2017
In: Wieland, H. (Hrsg.): Proceedings SCT2017 2017

Fröck H., Graser M., Reich M., Lechner M., Merklein M., Keßler O.:
Influence of short-term heat treatment on the microstructure and mechanical properties of EN AW 6060 T4 extrusion profiles - Part A
In: Production Engineering 10 (2016), S. 383–389
ISSN: 0944-6524
Graser M., Fröck H., Lechner M., Reich M., Keßler O., Merklein M.:
Influence of short-term heat treatment on the microstructure and mechanical properties of EN AW‑6060 T4 extrusion profiles – Part B
In: Production Engineering 10 (2016), S. 391–398
ISSN: 0944-6524
Gröbel D., Schulte RK., Hildenbrand P., Lechner M., Engel U., Sieczkarek P., Wernicke S., Gies S., Tekkaya AE., Behrens BA., Huebner S., Vucetic M., Koch S., Merklein M.:
Manufacturing of functional elements by sheet-bulk metal forming processes
In: Production Engineering 10 (2016), S. 63-80
ISSN: 0944-6524
DOI: 10.1007/s11740-016-0662-y
Hildenbrand P., Lechner M., Merklein M.:
A new strategy for manufacturing tailored blanks by a flexible rolling process
In: Materials Science Forum 854 (2016), S. 99-105
ISSN: 0255-5476
DOI: 10.4028/www.scientific.net/MSF.854.99
Merklein M., Graser M., Degner J., Lechner M., Herrmann J.:
Tailoring material properties in forming technology by a local heat treatment
In: Gronostajski, Z. (Hrsg.): Advanced Metal Forming Processes in Automotive Industry 2016
Merklein M., Lechner M., Böhm W., Degner J.:
Scale-up of Innovative Forming Solutions from Scientific Fundamentals to Industrial Applications
Merklein M., Lechner M., Graser M.:
Improvement of the Formability of Aluminum Extrusion Profiles by a Tailored, Local Short-Term Heat Treatment
In: Dimitrov Dimiter, Oosthuizen Tiaan (Hrsg.): Proceedings COMA16 2016
Merklein M., Lechner M., Gröbel D., Löffler M., Schneider T., Schulte RK., Hildenbrand P.:
Innovative approaches for controlling the material flow in sheet-bulk metal forming processes
In: Manufacturing Review 3 (2016), S. 1-17
ISSN: 2265-4224
DOI: 10.1051/mfreview/2016001
Merklein M., Wieland M., Lechner M., Bruschi S., Ghiotti A.:
Hot Stamping of Boron Steel Sheets with Tailored Properties: a Review
In: Journal of Materials Processing Technology 228 (2016), S. 11-24
ISSN: 0924-0136
DOI: 10.1016/j.jmatprotec.2015.09.023
Schulte RK., Schneider T., Lechner M., Merklein M.:
Interaction of various functional elements in thin-walled cups formed by a sheet-bulk metal forming process
In: K. Saanouni (Hrsg.): NUMIFORM 2016: The 12th International Conference on Numerical Methods in Industrial Forming Processes 2016
DOI: 10.1051/matecconf/20168007003

Böhm W., Merklein M., Lechner M.:
Innovative Aluminium Lightweight Design by the Combination of Accumulative Roll Bonding and Local Intermediate Heat Treatment
In: Materials Today 2 (2015), S. 4992-4997
ISSN: 1369-7021
DOI: 10.1016/j.matpr.2015.10.088
Degner J., Suttner S., Tsoupis I., Lechner M., Merklein M.:
Manufacturing of Innovative Aluminum Components by Combining Shear Cutting Operation and Tailor Heat Treated Blank Technique
5th International Conference on Accuracy in Forming Technology
In: Landgrebe, D.; Drossel, W.-G.; Putz, M. (Hrsg.): 5th International Conference on Accuracy in Forming Technology 2015
Hagenah H., Merklein M., Lechner M., Schaub A., Lutz S.:
Determination of the mechanical properties of hot stamped parts from numerical simulations
In: Procedia CIRP 33 (2015), S. 167-172
ISSN: 2212-8271
DOI: 10.1016/j.procir.2015.06.031
Kahrimanidis A., Lechner M., Degner J., Wortberg D., Merklein M.:
Process Design of Aluminum Tailor Heat Treated Blanks
In: Materials 8 (2015), S. 8524-8538
ISSN: 1996-1944
DOI: 10.3390/ma8125476
Kahrimanidis A., Lechner M., Wortberg D., Merklein M.:
Effiziente maßgeschneiderte Wärmebehandlung von Blechhalbzeugen in der Serienfertigung
In: wt Werkstattstechnik - Online 4 (2015), S. 246-250
ISSN: 1436-4980
Kahrimanidis A., Lechner M., Wortberg D., Merklein M.:
Effiziente maßgeschneiderte Wärmebehandlung von Blechhalbzeugen in der Serienfertigung
In: wt Werkstattstechnik - Online 105 (2015), S. 246-250
ISSN: 1436-4980
Lechner M.:
Herstellung beanspruchungsangepasster Aluminiumblechhalbzeuge durch eine maßgeschneiderte Variation der Abkühlgeschwindigkeit nach Lösungsglühen (Dissertation, 2015)
DOI: 10.25593/978-3-87525-397-9
Merklein M., Graser M., Lechner M.:
Experimental investigation of heat-treated aluminum profiles
In: Key Engineering Materials 651-653 (2015), S. 59-64
ISSN: 1013-9826
DOI: 10.4028/www.scientific.net/KEM.651-653.59
Merklein M., Junker D., Schaub A., Kretschmer A., Lechner M.:
Development of a New Method for Producing Plane Expanded Metal by Laser Cutting and Forming of Metal Plates under Uniaxial Tension
In: Key Engineering Materials 639 (2015), S. 131-136
ISSN: 1013-9826
DOI: 10.4028/www.scientific.net/KEM.639.131
Merklein M., Lechner M., Graser M.:
Influence of a short-term heat treatment on the formability and ageing characteristics of aluminum profiles
Lasers in Manufacturing Conference
In: WLT e.V. (Hrsg.): Lasers in Manufacturing Conference 2015
Merklein M., Tsoupis I., Gnibl T., Lechner M.:
Innovative manufacturing solutions for the efficient production of car bodies
In: Schmeing, K. (Hrsg.): Forming in Car Body Engineering 2015 2015

Ahuja B., Schaub A., Karg M., Lechner M., Merklein M., Schmidt M.:
Developing LBM process parameters for Ti-6Al-4V thin wall structures and determining the corresponding mechanical characteristics
In: Physics Procedia 56 (2014), S. 90-98
ISSN: 1875-3892
DOI: 10.1016/j.phpro.2014.08.102
URL: http://www.sciencedirect.com/science/article/pii/S1875389214002478
Lechner M., Johannes M., Kuppert A., Merklein M.:
Influence of Pre-straining and Heat Treatment on the Yield Surface of Precipitation Hardenable Aluminum Alloys
In: Physics Procedia 56 (2014), S. 1400-1409
ISSN: 1875-3892
DOI: 10.1016/j.phpro.2014.08.070
Lechner M., Zimmermann A., Graser M., Merklein M.:
Efficient Aluminum - Qualifizierung des Einsatzes höchstfester Aluminiumlegierungen im Karosseriebau
1. Green Factory Bavaria Kolloquium 2014 - Engergieeffiziente Produktion
In: Franke, J.; Kreitlein, S.; Hoeft, A. (Hrsg.): Tagungsband zum 1. Green Factory Bavaria Kolloquium 2014 - Engergieeffiziente Produktion 2014
Merklein M., Affronti E., Kuppert A., Maier AK., Lechner M.:
The correlation coefficient method: from the beginning to the development
Workshop Time-dependent Methods for the Evaluation of FLC
In: Institut für Virtuelle Produktion, ETH Zürich (Hrsg.): Workshop Time-dependent Methods for the Evaluation of FLC 2014
Merklein M., Johannes M., Lechner M., Kuppert A.:
A Review on Tailored Blanks - Production, Applications and Evaluation
In: Journal of Materials Processing Technology 214 (2014), S. 151-164
ISSN: 0924-0136
DOI: 10.1016/j.jmatprotec.2013.08.015

Michael Lechner, Wolfgang Böhm, Hung Nguyen, Marion Merklein:
Fertigungsmethoden
In: Konstruktion 65 (2013), S. IW11-IW17
ISSN: 0720-5953
Lechner M., Böhm W., Nguyen MH., Merklein M.:
Herstellung maßgeschneiderter Aluminiumwerkstoffe
In: Konstruktion 11/12 (2013), S. 11-13
ISSN: 0720-5953
Lechner M., Kuppert A., Hagenah H., Merklein M.:
Optimization of the heat treatment layout and blank outline of THTB
In: Key Engineering Materials 554-557 (2013), S. 2465-2471
ISSN: 1013-9826
DOI: 10.4028/www.scientific.net/KEM.554-557.2465
Lechner M., Kuppert A., Merklein M.:
Comprehensive material characterization for an intermediate heat treatment
In: Key Engineering Materials 549 (2013), S. 39-44
ISSN: 1013-9826
DOI: 10.4028/www.scientific.net/KEM.549.39
Merklein M., Hagenah H., Lechner M., Kuppert A.:
Simulationsgestützte Auslegung maßgeschneiderter wärmebehandelter Aluminiumhalbzeuge
16. Workshop Simulation in der Umformtechnik
In: Tekkaya A. E.; Liewald M. (Hrsg.): 16. Workshop Simulation in der Umformtechnik 2013
Merklein M., Hofmann M., Biasutti M., Lechner M.:
Numerical optimisation of a shear specimen geometry according to ASTM
In: Key Engineering Materials 549 (2013), S. 317-324
ISSN: 1013-9826
DOI: 10.4028/www.scientific.net/KEM.549.317
Merklein M., Lechner M.:
Manufacturing flexibilisation of metal forming components by tailored blanks
Conf. Competitive Manufacturing (Stellenbosch)
In: D. Dimitrov; C. Schutte (Hrsg.): Proc. Conf. Competitive Manufacturing 2013
Merklein M., Lechner M., Kuppert A.:
Tailor Quenched Blanks
Danish-German Aerospace Collaboration Kick-Off
Schaub A., Lechner M., Merklein M.:
Druckversuch bei erhöhten Temperaturen
Werkstoffprüfung DGM
In: H.J. Christ (Hrsg.): Tagungsband Werkstoffprüfung DGM 2013

Merklein M., Böhm W., Lechner M.:
Tailoring Material Properties of Aluminum by Local Laser Heat Treatment
In: Physics Procedia 39 (2012), S. 232-239
ISSN: 1875-3892
DOI: 10.1016/j.phpro.2012.10.034
Merklein M., Lechner M.:
Flexibilisierung der Fertigung umformtechnisch erzeugter Bauteile durch prozessangepasste Halbzeuge
11. Umformtechnisches Kolloquium Darmstadt (Bamberg)
In: P. Groche (Hrsg.): 11. Umformtechnisches Kolloquium Darmstadt 2012
Merklein M., Lechner M.:
Tailored solutions in mechanical engineering
In: Public Service Review (2012), S. 35-37
ISSN: 2046-5688
Merklein M., Lechner M., Kuppert A.:
Enhancement of formability of aluminum alloys in multi-stage forming operations by a local intermediate heat treatment
In: Production Engineering 6 (2012), S. 541-549
ISSN: 0944-6524
DOI: 10.1007/s11740-012-0407-5
Merklein M., Lechner M., Kuppert A.:
Trends in der Aluminiumumformung
Cluster-Forum Innovationen in der Aluminium-Umformtechnik
In: Tagungsband zum Cluster-Forum Innovationen in der Aluminium-Umformtechnik 2012
Merklein M., Lechner M., Schneider T., Plettke R.:
Tailored Heat Treated Profiles - Enhancement of the Forming Limit of Aluminum Profiles under Bending Load
In: Key Engineering Materials 504-506 (2012), S. 375-380
ISSN: 1013-9826
DOI: 10.4028/www.scientific.net/KEM.504-506.375

Prof. Dr.-Ing. habil. Dipl.-Wirtsch.-Ing. Michael Lechner

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