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.
In: Journal of Materials Processing Technology, 212(2012)3, Elsevier, 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.
In: Advanced Materials Research, 403-408(2012), Zurich-Durnten, Switzerland: Trans Tech Publications, pp. 685-690

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.
In: International Journal of Solids and Structures, 1(2011)48, Elsevier, 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.
In: 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.
In: Journal of Materials science and Engineering A, 257(2010)16-17, Elsevier, pp. 4497-4504

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: 6th International conference on MEMS NANO, and Smart Systems (ICMENS 2010), (2010), pp. 218-211

Diehl, A.; Vierzigmann, H.; Engel, U.:
Characterisation of the mechanical behaviour and the forming limits of metal foils using a pneumatic bulge test .
In: International Journal of Material Forming, 2(2009)1, Paris: Springer, pp. 605-608

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 (Edt.): Proceedings of The 2nd Asia Conference on micro/nano sized technology (AWMFT-2009), (2009), Changsha, P.R. China, pp. 602-606

Diehl, A.; Engel, U.:
Grenzformänderung metallischer Folien.
In: wt Werkstatttechnik online, 12(2008)11, Düsseldorf: Springer Verlag, pp. 982-987

Diehl, A.; Staud, D.; Engel, U.:
Mechanical Characterisation of Metal Foils by Hydraulic Bulge Test.
In: steel research international 79, Special Edition Metal Forming Conference 2008 , 1(2008), Düsseldorf, Deutschland: Verlag Stahleisen GmbH, pp. 332-339

Diehl, A.; Staud, D.; Engel, U.:
Investigation of the mechanical behaviour of thin metal sheets using the hydraulic bulge test.
In: Menz, W.; Dimov, S. (Edt.): Proceedings of the 4th International Conference on Multi-Material Micro Manufacture, (2008), Dunbeath, Scotland, UK: Whittles Publishing, pp. 195-198

Diehl, A.; Engel, U.; Geiger, M.:
Influence of microstructure on the mechanical properties and the forming behaviour of very thin metal foils.
In: The International Journal of Advanced Manufacturing Technology, (2008)online, published

Diehl, A.; Engel, U.; Geiger, M.:
Mechanical Properties and bending behaviour .
In: Proc, IMecE, PartB (Edt.): Journal of Engineering Manufacture, 222(2008)1, Professional Engineering Publishing, pp. 83-91

Engel, U.; Geißdörfer, S.; Diehl, A.; Eichenhüller, B.; Weidel, S.:
Mikroumformen - Ähnlich wie Makro?.
In: Steinhoff, K.; Kopp, R. (Edt.): Umformtechnik im Spannungsfeld zwischen Plastomechanik und Werkstofftechnik, (2008), Bad Harzburg: GRIPS media GmbH, pp. 189-206

Diehl, A.; Geißdörfer, S.; Engel, U.:
Investigation of Size Dependent Mechanical Properties of Metal Foils in Micro Sheet Metal Forming Processes.
In: Clemson University (Edt.): Proceedings of the 2nd International Conference on Micromanufacturing, 10.-13. September 2007, Greenville, USA, (2007), pp. 156-161

Diehl, A.; Engel, U.; Geiger, M.:
Influence of microstructure on the mechanical properties and the forming behaviour of very thin metal foils.
In: Menz, W.; Dimov, S., Toshev (Edt.): 3rd International conference on Multi-Material Micro Manufacture, 03.-05.10., Borovets, Bulgaria, (2007), Oxford, UK: Elsevier Verlag, pp. 289-292

Diehl, A.; Engel, U.; Geiger, M.:
Mechanical Properties and ending behaviour of metal foils.
In: Proceedings of the Institution of Mechanical Engineers, (2007), Professional Engineering Publishing, published

Diehl, A.; Engel, U.; Geiger, M.:
Mechanical Properties and bending behaviour of metal foils.
In: Proceedings of the Institution of Mechanical Engineers, (2007), accepted

Diehl, A.; Summerauer, I.; Heimann, T.; Franke, V.; Engel, U.; Schulze-Niehoff, H.; Vollertsen, F.:
Erst umdenken, dann umformen.
In: Mikroproduktion, (2006)3, München, Deutschland: Carl Hanser Verlag, pp. 46-50

Diehl, A.; Engel, U.; Geiger, M.:
Mechanical Propteries and bending behaviour of metal foils.
In: Menz, W.; Dimov, S.; Fillon, B. (Edt.): 4M 2006, 2nd International Conference on Multi-Material Micro Manufacture, 20.-22.09.2006, Grenoble, France, (2006), Oxford, UK: Elsevier Verlag, pp. 297-300

Zhu, M.; Kirby, P.B.; Richter, M.; Congar, Y.; Diehl, A.; Völkl, R.:
Modelling and Simulation of Piezoelectric Actuation and Reliability of Micropumps.
In: 4M 2006, 2nd International Conference on Multi-Material Micro Manufacture, 20.-22.09.2006, Grenoble, France, (2006), pp. 263-266

Geißdörfer, S.; Diehl, A.; Eichenhüller, B.; Engel, U.:
Microforming - Application and 3D Simulation.
In: Teti, R. (Edt.): Proceedings of the 5th CIRP International Seminar on Intelligent computation in Manufacturing Engineering, (2006), Naples, Itlay: University of Naples, pp. 521-526

Geißdörfer, S.; Diehl, A.; Eichenhüller, B.; Engel, U.:
Microforming - Application and 3D Simulation.
In: TETI, R. (Edt.): Proceedings of the 5th CIRP Seminar on Intelligent Computation in Manufacturing Engineering, (2006), Naples, Italien: University of Naples, pp. 521 - 526

Diehl, A.; Engel, U.; Geiger, M.:
Randerscheinungen rücken ins Zentrum.
In: Mikroproduktion, (2005)4, Carl Hanser Verlag, pp. 50-52

Diehl, A.; Engel, U.; Geiger, M.:
Spring-back behaviour of thing metal foils in free bending processes.
In: 4M 2005, Proceedings of the 1st International Conference on Multi-Material Micro Manufacture, (2005), pp. 147-150

Diehl, A.; Engel, U.; Geiger, M.:
Investigation of the spring-back behaviour in metal foil forming. Proceedings of the 24th IDDRG-conference, Besancon, Frankreich.
(2005), published