Lehrstuhl für Fertigungstechnologie, Universität Erlangen-Nürnberg

Basics of hot forming of multiphase steels with controlled cooling conditions to adjust local mechanical properties

Project Status: finished


The hot forming process of hot stamping is used to manufacture security relevant components for the body in white which exhibit 1500 MPa tensile strength. Additonally, the forming operation at elevated temperatures leads to reduced process forces and increased forming limits. In contrast to that, in case of a crash the low ductility of such components is a disadvantage. This is why the current focus of research is on the adjustment of local mechanical properties for aspects of energy absorption. Beside this focus, new efforts are made to qualify new steel grades for the hot stamping process in order to increase the reachable range of mechanical properties. Thus, in this project alternative steel grades are investigated regarding applicability and adjustability of mechanical properties. The experimental investigations are accompanied by numerical calculations.

Research Groups



    • Degner, J.; Herrmann, J.; Junker, F.; Berendt, E.; Merklein, M.:
      Leichtbauwerkstoffe für den modernen Automobilbau.
      Zeitschrift Konstruktion 3(2018), pp. 50-54


    • Svec, T.; Merklein, M.:
      Hot Stamping - Process Window for the Austenitization of a Dualphase Steel.
      In: Oldenburg, M.; Prakash, B.; Steinhoff, M. (Edtrs.): 4th International Conference Hot Sheet Metal Forming of High-Performance Steel, Wissenschaftliche Scripten, 2013, pp. 275-282


    • Merklein, M.; Svec, T.:
      Prozessfenster zur Verarbeitung alternativer Stahlgüten im Presshärtprozess.
      In: M. Merklein (Edtr.): 7. Erlanger Workshop Warmblechumformung, Meisenbach, 2012, pp. 55-70

    Letztes Update: 26.02.2014