Abstract
Cohesive damage of PVD-coated carbide cutting tools always means an unscheduled production downtime and in many cases a partial damage of the workpiece. The cause for this kind of tool breakdown is ascribed by a model to a disadvantageous residual stress state of substrate and coating. The presented work observes the tool's residual stress states after single process steps during production by application of the sin2ψ method and the scattering vector method for the determination of residual stress depth distributions in order to verify the model. The obtained results prove the assumptions of the model.
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