Abstract
In metal cutting processes, the thermomechanical loads lead to modifications of the residual stress state of the workpiece rim zone. Especially for aerospace components, such as turbine disks made of nickel-based alloys, this modification affects the functionality and dimensional accuracy of the machined part. Therefore, the thermomechanical loads occurring in the orthogonal cutting of Inconel DA718 are investigated in this paper and chip formation simulations are performed and evaluated with the experimental results. The outcome of this work forms the basis for a research project, where it is intended to develop a multiscale prediction model for residual stresses.
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