Abstract
Using commercial finite element (FE) analysis software DEFORM-3D, a rigid plastic thermomechanical finite element model was developed to investigate inhomogeneous plastic deformations during heavy plate hot rolling. A single pass rolling process, a longitudinal rolling process and a broadside-longitudinal rolling process were simulated by this 3D FE model. The simulated results of the broadside-longitudinal rolling process were in good agreement with the actual rolled one. Basing on the simulation results, formation laws of concave side shapes and convex end shapes were clarified. Evolutions of the uneven shapes in the longitudinal rolling process and the broadside–longitudinal rolling process were analysed in detail. The results obtained from the simulation results provided guidelines for further investigation on plate plan view pattern control.
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