PT Journal AU Cha, W Vogel, S Bursac, N Albers, A Volk, W TI Determination of the bead geometry considering formability and stiffness effect using generalized forming limit concept (GFLC) SO Journal of physics / Conference Series PY 2016 BP Art.Nr.: EP 032077 VL 734 IS 3 DI 10.1088/1742-6596/734/3/032077 LA english ER