As part of the development of a new automotive bumper beam, a complete simulation of the entire forming process was carried out using LS-DYNA. The material for the beam was an ultra high strength steel presenting many challenges for the forming process. The sequence of forming operations was roll-forming (including forming a sweep in the initially straight roll-formed section), local annealing,...

In this study, the joining of porous aluminum by roll forming was attempted. Two precursors were foamed heat treatment, and softened immediately after foaming roll-formed. It shown that simultaneously formed joined while maintaining structure aluminum. results four-point bending test samples, pores observed at fracture surfaces, indicating strong can be achieved forming. addition, it found opti...

the accumulative roll bonding (arb) as a severe plastic deformation (spd) procedure aimed at enhancing the mechanical properties of metals and alloys. in the present study, a new slab method is proposed for estimating the forming stress field for cold extrusion of metals cross the alumina interlayer powder particles by accumulative roll bonding process. plastic deformation behavior of the metal...