naa a22 4500 510790984 CHVBK 20180411083319.0 cr unu---uuuuu 180411e20130601xx s 000 0 eng 10.1007/s12289-011-1080-5 doi (NATIONALLICENCE)springer-10.1007/s12289-011-1080-5 Modelling of electro hydraulic free and die forming of sheet steels [Elektronische Daten] [Arne Melander, Aldin Delic, Anders Björkblad, Pasi Juntunen, Ludovic Samek, Leire Vadillo] Electro hydraulic forming of a range of different sheet steels was studied experimentally and with finite element methods. Four carbon and stainless sheet materials were studied. In this paper we present results on a mild steel (IF210), two high strength steels (DPX800 and TRIP700) and one stainless steel (1.4509). The flow properties of the materials were evaluated at a range of strain rates up to 1000/s. These were typical strain rates in the FE simulations. The flow properties were characterized with the Johnson Cook model. Electro hydraulic forming trails were performed with a chamber of water with a pair of electrodes on one side of the sheet. In one case free forming was performed and in the other case forming was performed into a truncated conical die. Geometrical shapes and strain distributions were evaluated after forming. A finite element model was formulated in ABAQUS explicit. The model takes the chamber filled with water into account and the effect of the electrical discharge is modeled as a pressure wave originating from the location of the electrodes. The sheet is given the properties defined by the Johnson Cook model and stiff tools are used. The forming of the sheet is described including rebound effects at the tools. The model shows satisfactory results in relation to the experimental trials regarding both shape and strains of the pressed sheets. Springer-Verlag France, 2011 Electrohydraulic nationallicence Forming nationallicence Steel nationallicence Sheet nationallicence Strain rate nationallicence Simulation nationallicence Melander Arne Swerea KIMAB, Box 55970, 102 16, Stockholm, Sweden aut Delic Aldin Swerea KIMAB, Box 55970, 102 16, Stockholm, Sweden aut Björkblad Anders Swerea KIMAB, Box 55970, 102 16, Stockholm, Sweden aut Juntunen Pasi Institute for Electron Microscopy, University Oulu, PL 8000, 900 14, Oulu, Finland aut Samek Ludovic Voestalpine Stahl GmbH, Voestalpine-Strasse 3, 4020, Linz, Austria aut Vadillo Leire Tecnalia, Edificio 700, ES-481 60, Derio, Spain aut International Journal of Material Forming Springer-Verlag 6/2(2013-06-01), 223-231 1960-6206 6:2<223 2013 6 12289 https://doi.org/10.1007/s12289-011-1080-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s12289-011-1080-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Melander Arne Swerea KIMAB, Box 55970, 102 16, Stockholm, Sweden aut NATIONALLICENCE 700 1- Delic Aldin Swerea KIMAB, Box 55970, 102 16, Stockholm, Sweden aut NATIONALLICENCE 700 1- Björkblad Anders Swerea KIMAB, Box 55970, 102 16, Stockholm, Sweden aut NATIONALLICENCE 700 1- Juntunen Pasi Institute for Electron Microscopy, University Oulu, PL 8000, 900 14, Oulu, Finland aut NATIONALLICENCE 700 1- Samek Ludovic Voestalpine Stahl GmbH, Voestalpine-Strasse 3, 4020, Linz, Austria aut NATIONALLICENCE 700 1- Vadillo Leire Tecnalia, Edificio 700, ES-481 60, Derio, Spain aut NATIONALLICENCE 773 0- International Journal of Material Forming Springer-Verlag 6/2(2013-06-01), 223-231 1960-6206 6:2<223 2013 6 12289 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer