Lehrstuhl für Fertigungstechnologie, Universität Erlangen-Nürnberg



Dipl.-Ing. Martin Grüner



Egerlandstrasse 13, 91058 Erlangen
Tel.: 09131/85-28317
Fax: 09131/85-28866
Mail address: This e-mail address is being protected from spambots. You need JavaScript enabled to view it


Projects


Research Groups


Publications

    2013

    • Grüner, M.; Merklein, M.:
      Basic experimental and numerical investigations on chip pressing.
      In: Key Engineering Materials, 554-557(2013), Switzerland: Trans Tech Publications, pp. 630-637

    2012

    • Rösel, S.; Merklein, M.; Grüner, M.:
      Analytical and numerical approaches to predict the flow characteristics of a magnetorheological fluid in rotational symmetric cross sections.
      In: Key Engineering Materials , 504-506(2012), Durnten-Zurich: Trans Tech Publications, pp. 399-404

    • Merklein, M.; Grüner, M.; Rösel, S.:
      Enhancing Process Limits of Blank Hydroforming.
      In: Institut für Umformtechnik (IFU) Universität Stuttgart (Edt.): Internationale Konferenz „Hydroumformung von Blechen, Rohren und Profilen“, (2012), Frankfurt am Main: MAT INFO Werkstoff-Informationsgesellschaft mbH, pp. 61-80

    • Merklein, M.; Vatter, P.; Plettke, R.; Grüner, M.:
      Einfluss der Fließkurve auf den Rohrbiegeradius.
      In: Werkstattstechnik online, 10(2012), Düssledorf: Springer VDI Verlag, pp. 689-695

    • 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 (Edt.): Proc. 1st Int.Conf. Design and Processes for medical devices PROMED, (2012), Rivolti (TO): NEOS EDIZIONI srl, pp. 191-194

    2011

    • Grüner, M.; Merklein, M.:
      Influences on the Molding in Hydroforming Using Granular Material as a Medium.
      In: Chung, K.; Han, H. N.; Huh, H. Barlat, F.; Lee, M.-G. (Edt.): AIP Conference Proceedings Volume 1383 - The 8th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes (NUMISHEET 2011), 1383(2011), American Institute of Physics, pp. 645-652

    • Lämsä, J.; Mäntyjärvi, K.; Järvenpää, A.; Grüner, M.; Merklein, M.; Karjalainen, J.:
      Methods for Determination of Residual Stress of a Formed Plate using Laser Ablation, Wire EDM and Milling.
      In: Key Engineering Materials, 473(2011), Switzerland: Trans Tech Publications, pp. 368-375

    • Grüner, M.; Merklein, M.:
      Consideration of elastic tool deformation in numerical simulation of hydrofroming with granular material used as a medium.
      In: Key Engineering Materials, 473(2011), Switzerland: Trans Tech Publications, pp. 707-714

    • Svec, T.; Grüner, M.; Merklein, M.:
      FE-Simulation of the heat transfer by defined cooling conditions during the hot stamping process.
      In: Duflou, J.R.; Clarke, R.; Merklein, M.; Micari, F.; Shirvani, B.; Kellens, K. (Edt.): Key Engineering Materials, 473(2011), Switzerland: Trans Tech Publications Ltd., pp. 699-706

    2010

    • Grüner, M.; Merklein, M.:
      Comparison of numerical simulation and measurement of shear test and uniaxial compression test to verify material model for granular material used as medium for hydroforming.
      In: Warsaw University of Technology, Faculty of Production Engineering 2010 (Edt.): Proc. 5th International Conference on Advances in Production Engineering, (2010), Radom: Publishing and Printing House of the Institute for Suitainable Technologies, pp. 418-426

    • Grüner, M.; Merklein, M.:
      Numerical Simulation of Hydroforming at Elevated Temperatures with Granular Material Used as Medium Compared to the Real Part Geometry.
      In: Int J Mater Form, 3(2010)1, Springer-Verlag France S.A.R.L., pp. 279-282

    • Merklein, M.; Wieland, M.; Stöhr, T.; Lechler, J.; Grüner, M.:
      Analytic Methods for the Calculation of the Heat Transfer Coefficient.
      In: International Review of Mechanical Engineering, (2010)4, Neapel: Praise Worthy Prize S.r.l, pp. 208-215

    2009

    • Grüner, M.; Merklein, M.:
      Mechanical Behaviour of Ceramic Beads Used as Medium for Hydroforming at Elevated Temperatures.
      In: Shirvani, B.; Clarke, R.; Duflou, J.; Merklein, M.; Micari, F.; Griffiths, J. (Edt.): Proc. 13th Int. Conf. on Sheet Metal (SheMet 2009), (2009), Zurich, Switzerland: Trans Tech Publications, pp. 61-68

    • Grüner, M.; Merklein, M.:
      Mechanical Behaviour of Ceramic Beads Used as Medium for Hydroforming at Elevated Temperatures.
      In: Key Engineering Materials , (2009)410-411, Schweiz: Trans Tech Publications, pp. 61-68

    2008

    • Geiger, M.; Merklein, M.; Hußnätter, W.; Grüner, M.:
      Experimental Determination of Yield Loci for Magnesium Alloy AZ31 under Biaxial Tensile Stress Conditions at Elevated Temperatures.
      In: Production Engineering, 2(2008)3, Berlin, Heidelberg: Springer, pp. 303-310

    • Hußnätter, W.; Grüner, M.; Merklein, M.:
      Material Characterization of Sheet Metal at Elevated Temperatures Using Optical Technologies.
      In: AMA Service GmbH (Edt.): OPTO 2008 - 8. Internationaler Kongress für Optische Technologien, (2008), pp. 87-92