Lorenz, R.; Hagenah, H.; Merklein, M.:
Influence of the Coating Process on the Tribological Conditions during Cold Forging with a MoS2 Based Lubricant.
AIP Conference Proceedings; https://doi.org/10.1063/1.5034867 1960(2018)1, pp. 040013

Lorenz, R.; Hagenah, H.; Merklein, M.:
Experimental evaluation of cold forging lubricants using double cup extrusion tests.
Materials Science Forum 918(2018), pp. 65-70

Hagenah, H.; Scharrer, H.; Lechner, M.; Merklein, M.:
4.0 in metal forming - questions and challenges.
Procedia CIRP (2018), accepted

Merklein, M.; Hagenah, H.:
Introduction to sheet-bulk metal forming.
Production Engineering 10(2016)1, pp. 1-3

Purr, S.; Wendt, A.; Meinhardt, J.; Moelzl, K.; Werner, A.; Hagenah, H.; Merklein, M.:
Data-driven inline optimization of the manufacturing process of car body parts.
IOP Conf. Series: Materials Science and Engineering 159(2016)1, pp. 012002

Hagenah, H.; Merklein, M.; Lechner, M.; Schaub, A.; Lutz, S.:
Determination of the mechanical properties of hot stamped parts from numerical simulations.
Procedia CIRP 33(2015), pp. 167-172

Merklein, M.; Duflou, J.; Leacock. A.; Micari, F.; Hagenah, H. (Edtr.):
Sheet Metal 2015, Proceedings of the 16th international conference on sheet metal.
Trans Tech Publ., 2015

Hagenah, H.; Geiger, M.:
Laser Adjustment Using Actuators.
In: A. Erman Tekkaya, Werner Homberg, Alexander Brosius (Edtr.): 60 Excellent Inventions in Metal Forming, Springer, 2015, pp. 167-172

Plettke, R.; Vipavc, D.; Grüner, M.; Hagenah, H.; Merklein, M.:
The influence of the annealing process in the fabrication of helical needles for the suture in deep wound cavities.
Int. J. Computer Integrated Manufacturing 27(2014)10, pp. 960-967

Tsoupis, I.; Hildering, S.; Hagenah, H.; Merklein, M.:
Werkstoffschädigung in der Prozesskette Schneiden - Biegen.
In: Liewald, M.; Tekkaya, A. E. (Edtrs.): 17. Workshop Simulation in der Umformtechnik, Institut für Umformtechnik, Universität Stuttgart, 2014, pp. 73-89

Merklein, M.; Franke, J.; Hagenah, H. (Edtr.):
WGP Congress 2014, Progress in Production Engineering.
Trans Tech Publ., 2014

Hagenah, H.; Böhm, W.; Breitsprecher, T.; Merklein, M.; Wartzack, S.:
Modelling, Construction and Manufacture of a Lightweight Robot Arm.
Procedia CIRP 12(2013), pp. 211-216

Lechner, M.; Kuppert, A.; Hagenah, H.; Merklein, M.:
Optimization of the heat treatment layout and blank outline of THTB.
Key Eng. Mater. 554-557(2013), pp. 2465-2471

Merklein, M.; Hagenah, H.; Kaupper, M.; Schaub, A.:
Mechanical response of Ti-6Al-4V alloy on deformation at moderate temperatures.
Key Eng. Mater. 549 (2013), pp. 311-316

Merklein, M.; Hagenah, H.; Kaupper, M.; Schaub, A.:
Analysis of the deformation behavior of Ti-6Al-4V at elevated temperatures.
Key Eng. Mater. 554-557 (2013), pp. 29-32

Merklein, M.; Hagenah, H.; Lechner, M.; Kuppert, A.:
Simulationsgestützte Auslegung maßgeschneiderter wärmebehandelter Aluminiumhalbzeuge.
In: Tekkaya A. E.; Liewald M. (Edtrs.): 16. Workshop Simulation in der Umformtechnik, Institut für Umformtechnik und Leichtbau, Technische Universität Dortmund, 2013, pp. 90-101

Hagenah, H.; Geiger, M.; Merklein, M.:
Numerical simulation to improve robustness in sheet metal forming process chains.
AIP Conf. Proc. 1532(2013), pp. 683 - 688

Merklein, M.; Franke, J.; Hagenah, H. (Edtr.):
WGP Congress 2013, Progress in Production Engineering.
Trans Tech Publ., 2013

Merklein, M.; Hagenah, H.; Schneider, T.:
Sheet-Bulk Metal Forming Processes - State of the Art and its Perspectives.
In: Kolleck, R. (Edtr.): TTP 2013 - Tools and Technologies for Processing Ultra High Strength Materials, Verlag der TU Graz, 2013, pp. 197-204

Merklein, M.; Hagenah, H.; Schneider, T.:
Blechmassivumformung - Stand der Technik und Ausblick.
In: Merklein, M.; Behrens, B. A., Tekkaya, A. E. (Edtrs.): 2. Workshop Blechmassivumformung, Meisenbach, 2013, pp. 1-10

Li, H.; Dong, X.; Shen, Y.; Zhou, R.; Diehl, A.; Hagenah, H.; Engel, U.; Merklein, M.; Cao, J.:
Analysis of microbending of CuZn37 brass foils based on strain gradient hardening models.
J. Mater. Process. Technol. 212(2012)3, pp. 653-661

Li, H.; Dong, X.; Huang, S.; Diehl, A.; Hagenah, H.:
Material Intrinsic Length in Plastic Strain Gradient Theory and Microbending Process of Metal Foils.
Adv. Mater. Res. 403-408(2012), pp. 685-690

Merklein, M.; Hagenah, H. (Edtr.):
Proc. 15th ESAFORM Conference Part 1 & 2.
Trans Tech Publications, 2012

Merklein, M.; Allwood, J. M.; Behrens, B.; Brosius, A.; Hagenah, H.; Kuzman, K.; Mori, K.; Tekkaya, E.; Weckenmann, A.:
Bulk forming of sheet metal.
Annals of the CIRP 61(2012)2, pp. 725-745

Plettke, R.; Vipavc, D.; Grüner, M.; Hagenah, H.; Merklein, M.:
Prototype Manufacturing of Helical Needles for Suture in Deep Wound Cavities.
In: E. Ceretti, A. Fiorentino, L. Giorleo, C. Giardini (Edtr.): Proc. 1st Int.Conf. Design and Processes for medical devices PROMED, NEOS EDIZIONI srl, 2012, pp. 191-194

Li, H.; Dong, X.; Wang, Q.; Shen, Y.; Diehl, A.; Hagenah, H.; Engel, U.; Merklein, M.:
Determination of material intrinsic length and strain gradient hardening in microbending process.
International Journal of Solids and Structures 48(2011)1, pp. 163-174

Li, H.; Dong, X.; Wang, Q.; Shen, Y.; Diehl, A.; Hagenah, H.; Engel, U.; Merklein, M.:
Size effects of CuZn37 brass foil in microforming.
Material Science and Technology 19(2011)4, pp. 15-19

Li, H. Z.; Dong, X. H.; Shen, Y.; Diehl, A.; Hagenah, H.; Engel, U.; Merklein, M.:
Size effects on springback behaviors due to plastic strain gradient hardening in microbending process of pure aluminum foils.
Journal of Materials Science and Engineering A 257(2010)16-17, pp. 4497-4504

Plettke, R.; Vatter, P.; Vipavc, D.; Cojutti, M.; Hagenah, H.:
Investigation on the Process Parameters and Process Window of "Three-Roll-Push-Bending".
In: Hinduja, S.; Li, L. (Edtrs.): Proc. 36th Matador Conf., Springer, 2010, pp. 25-28

Li, H.; Dong, X.; Huang, S.; Diehl, A.; Hagenah, H.:
Material intrinsic length in plastic strain gradient theory and microbending process of metal foils.
In: (Edtr.): 6th International conference on MEMS NANO, and Smart Systems (ICMENS 2010), 2010, pp. 218-211

Hagenah, H.; Vipavc, D.; Plettke, R.; Merklein, M.:
Numerical Model of Tube Freeform Bending by Three-Roll-Push-Bending.
In: Associacao Portuguesa de Mecanica Teória, Aplicada e Computacional (Edtrs.): 2nd International Conference on Engineering Optimization, 2010, published on CD

Hagenah, H.; Vipavc, D.; Vatter, P.; Cojutti, M.; Plettke, R.:
Creation of the Data Base for the Process Design of the Three-Roll-Push Bending Process.
In: Teti, R. (Edtr.): 7th CIRP Int. Conf. Intelligent Computation in Manufacturing Engineering, 2010, pp. 259-264

Merklein, M.; Hagenah, H.; Cojutti, M.:
Investigations on Three-Roll Bending of Plain Tubular Components.
Key Eng. Mater. 410-411(2009), pp. 325-334

Geiger, M.; Plettke, R.; Hagenah, H.:
Multi-Objective Optimization of Actuator System Design for Laser Micro Adjustment.
Production Engineering 3(2009)2, pp. 181-188

Plettke, R.; Hagenah, H.; Geiger, M.:
Application of genetic algorithms for the optimisation of actuator systems for laser micro adjustment..
International Journal of Microstructure and Materials Properties (IJMMP) 4(2009)6, pp. 615-625

Cojutti, M.; Vipavc, D.; Hagenah, H.; Merklein, M.:
An innovative approach for the process design for three-roll bending of plain tubular components.
In: Angeles Gutierrez, M.; Sedlmaier, A.; Galdós, L. (Edtrs.): Proc. 1st Int. Congress on Roll Forming, 2009, pp. 133-139

Li, H. Z.; Dong, X. H.; Shen, Y.; Diehl, A.; Hagenah, H.; Engel, U.; Merklein, M.:
Influence of the plasticity strain gradient on springback in micro-bending process of metal foils.
In: Chinese Society of Mechanical Engineering (Edtr.): Proceedings of The 2nd Asia Conference on micro/nano sized technology (AWMFT-2009), 2009, pp. 602-606

Hagenah, H.; Schmidt, M.; Klämpfl, F.:
Planning the use of high-power excimer laser for psoriasis treatment.
In: Mitsuishi, M.; Ueda, K.; Kimura, F. (Edtrs.): Manufacturing Systems and Technologies for the New Frontier - The 41st CIRP Conference on Manufacturing Systems, Springer, 2008, pp. 349-354

Geiger, M.; Klämpfl, F.; Hagenah, H.:
Automated online planning of localized laser process parameters using simulated annealing.
Production Engineering 2(2008)2, pp. 171-178

Klämpfl, F.; Hagenah, H.:
Algorithmen zum simulationsbasierten, pulsgenauen Planen von Laserbestrahlungen.
In: Schulze, T.; Preim, B. (Edtrs.): Simulation und Visualisierung 2008. Proceedings of the 19th Conference on Simulation and Visualization (SimVis), SCS Publishing House e.V., 2008, pp. 41-52

Klämpfl, F.; Schmidt, M.; Hagenah, H.:
Intelligent irradiation planning for new laser applications.
In: De Vin, L. (Edtr.): Proceedings of the 18th International Conference on Flexible Automation and Intelligent Manufacturing (FAIM 2008), Runit AB, 2008, pp. 924-930

Merklein, M.; Geiger, M.; Hagenah, H.; Cojutti, M.:
3-Rollen-Schubbiegen zur flexiblen Herstellung freiformgebogener Rohrleitungen.
Zukunftstechnologien in Bayern (2008), pp. 24-26

Hagenah, H.; Plettke, R.; Klämpfl, F.:
Fast, problem specific approaches for the evaluation of laser beam propagation in process planning.
In: Teti, R. (Edtr.): Proceedings of the 6th CIRP International Conference on Intelligent Computation in Manufacturing Engineering, Edizioni Zino, 2008, pp. 413-418

Plettke, R.; Hagenah, H.; Geiger, M.:
Developing a computer aided design system for actuator design for laser micro adjustment.
In: (Edtr.): Proceedings of the 18th CIRP International Design Seminar (March 2008), 2008, pp. 1-5

Hagenah, H.; Plettke, R.; Geiger, M.:
Algorithms for Planning and Control of Laser Forming.
In: Vollertsen, F. (Edtr.): Proceedings of the IWOTE 08, BIAS Verlag, 2008, pp. 191-203

Klämpfl, F.; Hagenah, H.:
Algorithms for pulsewise irradiation planning.
In: Geiger, M.; Otto, A.; Schmidt, M. (Edtrs.): Proceedings of the LANE 2007, Meisenbach, 2007, pp. 877-886

Tang, B. T.; Zhao, Z.; Hagenah, H.; Lu, X. L.:
Energy based algorithms to solve initial solution in one-step finite element method of sheet metal stamping.
Comput. Methods Appl. Mech. Engrg. 196(2007), pp. 2187-2196

Plettke, R.; Hagenah, H.; Geiger, M.:
Application of genetic algorithms for the optimization of actuator systems for laser micro adjustment.
In: Kuzman, K. (Edtr.): Proceedings of the 6th International Conference on Industrial Tools and Material Processing Technologies 2007 (ICIT&MPT 2007), 2007, pp. 297-302

Plettke, R.; Hagenah, H.; Geiger, M.:
Computer assisted design of complex actuator systems for laser micro adjustment.
In: Geiger, M.; Otto, A.; Schmidt, M. (Edtrs.): Proceedings of the LANE 2007, Meisenbach, 2007, pp. 533-544

Plettke, R.; Hagenah, H.; Geiger, M.:
Computer assisted design of actuator systems for laser micro adjustment.
Key Eng. Mater. 344(2007), pp. 807-814

Plettke, R.; Hagenah, H.; Geiger, M.:
Rechnergestützter Entwurf von Aktorsystemen für die lasergebundene Mikrojustage.
In: Schulze, T.; Preim, B.; Schumann, H. (Edtrs.): Simulation und Visualisierung 2007. Proceedings of the 18th Conference on Simulation and Visualization (SimVis), SCS Publishing House e.V., 2007, pp. 43-54

Hagenah, H.; Plettke, R.; Geiger, M.:
Planning and Control of Laser Forming Applications.
In: Butala, P.; Hlebanja, G. (Edtrs.): Proceedings of the 39th CIRP International Seminar on Manufacturing Systems, University of Ljubljana, 2006, pp. 359-367

Hagenah, H.; Kohlbauer, R.:
Apllication of fuzzy logic for process design in sheet metal hydroforming.
In: Govekar, E. (Edtr.): Proceedings of the 9th CIRP International Workshop on Modeling of Machining Operations, University of Ljubljana, 2006, pp. 335-342

Klämpfl, F.; Schmidt, M.; Hagenah, H.; Görtler, A.; Wolfsgruber, F.; Lampalzer, R.; Kaudewitz, P.:
Irradiation planning for automated treatment of psoriasis with a high-power excimer laser.
In: SPIE (Edtr.): Photonics West 2006: Integrated Optoelectronic Devices , 2006, published on CD

Hagenah, H.; Geißdörfer, S.:
System for the automatic correction of sheet metal bending angles by means of laser beam forming.
In: Juster, N.; Rosochowski, A (Edtrs.): The 9th International Conference on Metal Forming ESAFORM, Publishing House Akapit, 2006, pp. 235-238

Klämpfl, F.; Schmidt, M.; Hagenah, H.; Geiger, M.:
Algorithms for Irradiation Planning in Medical Laser Applications.
In: Teti, R. (Edtr.): Proceedings of the 5th CIRP International Seminar on Intelligent Computation in Manufacturing Engineering, University of Naples, 2006, pp. 101-106

Geiger, M.; Hagenah, H.:
Der SFB 396 im Überblick- Beiträge zum Berichts- und Industriekolloquium.
In: Geiger, M.; Singer, R. F: (Edtrs.): Robuste, verkürzte Prozessketten für flächige Leichtbauteile: Tagungsband zum Industriekolloquium, Meisenbach, 2006, pp. 1-6

Hagenah, H.; Plettke, R.; Geiger, M.:
Planning and Control of Laser Forming Applications.
In: Butala, P.; Hlebanja, G (Edtrs.): Proceedings of the 39th CIRP International Seminar on Manufacturing Systems, Dept. of Control and Manufacturing Systems, Faculty of Mechanical Engineering, Univ. of Ljubljana, 2006, pp. 359 - 367

Geiger, M.; Hagenah, H.; Hutterer, A.:
Task Specific Registration Algorithmy within the Closed Loop Control of Laser Forming Processes.
Production Engineering. Annals of the German Academic Society for Production Engineering 2(2005)7, pp. 125-130

Hagenah, H.; Wurm, T.:
Problem specific design of actuators for micro adjustment.
Adv. Mater. Res. 6-8(2005), pp. 271-278

Hagenah, H.; Wurm, T.; Geiger, M.:
Computer assisted design of actuators for high precision adjustment in micro technology.
In: Bramley, A.; Brissaud, D.; Coutellier, D.; Mcmahon, C (Edtrs.): Advances in Integrated Design and Manufacturing in Mechanical Engineering, Springer, 2005, pp. 403-416

Hutterer, A.; Hagenah, H.:
Correcting non circular dents by means of laser beam forming.
In: Geiger, M.; Otto, A. (Edtrs.): Laser Assisted Net shape Engineering 4 - Proceedings of the LANE 2004, Meisenbach Verlag, 2004, pp. 1071-1081

Hagenah, H.; Kohlbauer, R.; Geiger, M.:
Knowledge based automated process design using finite element intermediate states.
In: Teti, R. (Edtr.): Proceedings of the 4th CIRP International Seminar on Intelligent Computation in Manufacturing Engineering. ICME' 2004. Sorrento, Italy, CUES, 2004, pp. 295-300

Hagenah, H.; Wurm, T.; Geiger, M.:
Computer assisted design of actuators for high precision adjustment in micro technology.
In: Bramley, An.N.; Culley, S.J.; Dekoninck, E.A.; McMahon, C.A.; Medland, A.J.; Mileham, A.R.; Newnes, L.B.; Owen, G.W. (Edtrs.): Proceedings of the 5th International Conference on Integrated Design and Manufacturing in Mechanical Engineering, University of Bath, 2004, pp. 10

Geiger, M.; Hagenah, H.; Kohlbauer, R.:
Computer assisted, knowledge based process design for sheet metal hydroforming using finite element simulation.
In: Monostori, L. (Edtr.): Enterprises, production networks, University of Budapest, 2004, pp. 67-72

Hutterer, A.; Hagenah, H.; Otto, A.:
Application of a modified ICP-Algorithm in Manufacturing Technology.
In: Ertl, T.; Girod, B.; Greiner, G.; Niemann, H.; Seidel, H. (Edtrs.): 8th International Fall Workshop, IOS Press, 2003, pp. 127-134

Hutterer, A.; Hagenah, H.; Geiger, M.:
Development of an irradiation strategy withing a closed loop control system for the laser adjustment of deformation.
In: The Institute of Control, Automation and Systems Engineers (ICASE) (Edtr.): Proceedings of the 2003 International Conference on Control, Automation and Systems (ICCAS 2003), 2003, pp. 2313-2318

Geiger, M.; Wurm, T.; Hagenah, H.:
Modellierung von Aktoren für das Laserstrahljustieren in der Mikrotechnik.
In: Hohmann, R. (Edtr.): Fortschritte in der Simulationstechnik, Tagungsband des 17. Symposiums Simulationstechnik ASIM 2003, SCS-Europe, 2003, pp. 261-266

Hagenah, H.:
Simulation based Evaluation of the Accuracy for Sheet Metal Bending caused by the Bending Stage Plan.
In: Weber, C.; Bley, H.; Hirt, G. (Edtrs.): Proceedings of the 36th CIRP Seminar on Manufacturing Systems, Progress in Virtual Manufacturing Systems, 2003, pp. 513-519

Kohlbauer, R.; Hagenah, H.; Geiger, M.:
Process design for hydroforming of sheet metal pairs using a closed loop controlled finite element simulation.
In: Shirvani, B.; Geiger, M.; Kals, H.J.J.; Singh, U.P. (Edtrs.): Proceedings of the 10th International Conference on Sheet Metal, SheMet 2003, University of Ulster, 2003, pp. 219-226

Wurm, T.; Menzel, T.; Müller, B.; Hagenah, H.; Geiger, M.:
The use of kinematic chains and construction catalogues for an advanced design of complex actuator geometries in micro adjustment.
In: Kjellberg, T. (Edtr.): Proceedings: International CIRP Design Seminar: Design in the New Economy; Design Theory, Methodology and its Intergration with the Computational Tools to support Teams of Competence, KTH Stockholm, 2001, pp. 417-421

Menzel, T.; Hagenah, H.:
Knowledge Based Approach for Intelligent Design of Manufacturing Processes.
In: Bothe, H.; Fyfe, C. (Edtrs.): Proceedings of the EIS'2000. Second ICSC Symposium on Engineering of Intelligent Systems, ICSC Academic Press, 2000, pp. 327-333

Geiger, M.; Hagenah, H.; Menzel, T.:
Simulation based optimisation of the accuracy of sheet metal bending parts caused by the manufacturing plan.
In: Teti, R. (Edtr.): Proceedings of the 2nd CIRP International Seminar of Intelligent Computation in Manufacturing Engineering ICME 2000, 2000, pp. 283-290

Hagenah, H.; Knoblach, J.:
Bewertung von Fertigungsplänen der Blechverarbeitung in Abhängigkeit von der erreichbaren Bauteilgenauigkeit.
In: Lehnert, W. (Edtr.): Qualitätsfaktor Umformtechnik: Tagungsband der 5. Sächsischen Fachtagung Umformtechnik in Freiberg, Technische Universität Bergakademie, 1998, pp. 16.1-16.15

Hagenah, H.; Backes, F.:
Computer aided estimation of achievable accuracy for bending parts.
In: Geiger, M.; Shirvani, B.; Sing, U.P. (Edtrs.): Sheet Metal 1998: Proceedings of the 6th International Conference on Sheet Metal, Twente University Printers, 1998, pp. 199-208