One of currently available software for material properties prediction is JMatPro. Other possibility how to obtain material data nowadays is utilization of programs predicting material behavior on the basis of chemical composition. A reliability of published data is difficult to assess, as there are usually not available sufficient information about the material investigated in publications. One possibility is survey of published data in literature. As this is in some cases not possible, materials data are searched in alternative ways. The best solution, but not always possible, is direct measurement of materials parameters for considered material and state. As the input data decide about the output results quality, it is always necessary to pay attention, what are the simulation inputs. There are implemented in all FEM codes some basic material database, but usually for limited materials and material states. A crucial point of any kind of computer simulation is the input data. Abstract: Computer simulation/optimization is widely applied to hot forming processes nowadays.
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