Abstract

For the assessment of a rolling contact, knowledge about the inhomogeneous multi-axial stress state as well as the limitations of available equivalent stress hypotheses are important. Therefore, this paper examines the multi-axial stress state using the example of the HERTZian contact ball/plane in order to derive the stress history for the frictionless rolling contact. Finally, the oppor tunities and limitations of the use of equivalent stresses are shown using the maximum distortion criterion as an example.

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